Halfway Effect: Navigating the “Motivation Cliff” in Long-Term Projects

The Halfway Effect(半途效应) describes a common psychological phenomenon in goal pursuit: when a task reaches approximately 40%-60% completion, individual motivation plummets to its lowest point.

The “Halfway Effect” in Corporate Management

In March 2025, the “Smart Grid Upgrade” project at Oasis Energy in Denver, USA, stalled unexpectedly after six months of progress. Project lead Smith observed that while the team had started with high morale and rapid advancement, everyone now appeared exhausted and disoriented. Code submissions dwindled, weekly meetings devolved into blame-shifting sessions, and several key members even began updating their resumes. The project was stuck at an awkward midpoint: the old system analysis was complete, but the new architecture design remained unresolved.

Smith recognized the team was experiencing the classic “midpoint effect”—a psychological vulnerability where fatigue, uncertainty, and motivation decline peak during the mid-point of a long journey toward a goal. Initial passion had faded, yet final victory remained distant.

He immediately halted the original plan and launched a four-week “Midpoint Reset” initiative. First, he broke down the ambitious six-month goal into three eight-week “mini-task seasons,” each with its own distinct, celebratable deliverable. Second, he hosted an informal mid-journey celebration—not to mark victory, but to acknowledge the challenges overcome and showcase tangible customer value from completed work (e.g., operational cost savings data). Finally, he introduced a “buddy accountability system,” pairing members in twos to check progress and offer support weekly.

After four weeks, the team’s morale shifted dramatically. One engineer remarked, “Seeing the remaining journey as three sprints instead of a blurry slog made the finish line feel within reach again.” By the end of the third season, the project was back on track, and the first “mini-task season’s” results unexpectedly secured an additional small order for the company. Smith concluded: “One of a manager’s most critical tasks is to light a series of nearby buoys in the channel when the team can’t see the distant lighthouse. Halfway isn’t the end—it’s where we must redefine the starting point.”

What is the Halfway Effect?

What is the Halfway Effect?

The Halfway Effect(半途效应) describes a common psychological phenomenon in goal pursuit: when a task reaches approximately 40%-60% completion, individual motivation plummets to its lowest point. Individuals become prone to fatigue, doubt, procrastination, or even abandonment. Its psychological root lies in the fading novelty and initial momentum of the early stages, coupled with the distant reward of completion and heightened awareness of the effort required.

In organizational behavior, the Halfway Effect serves as a core explanatory framework for project failures, team burnout, and strategic initiatives that start strong but fizzle out. It reveals why many meticulously launched projects quietly die midway. If managers fail to recognize and proactively intervene during this psychological trough, teams lose momentum in this “no man’s land,” causing prior investments to be sunk and the organization to suffer significant hidden efficiency losses.

I. Foundations of the Midpoint Effect Theory: From Laboratory to Neuroimaging

1.1 The Mathematical Code of the Marathon Course

In 1967, organizers of the Boston Marathon first observed a peculiar pattern: dropouts were not evenly distributed but clustered densely between miles 15 and 18 (of the 26.2-mile course). Sports psychologists later tracked and analyzed this phenomenon, revealing that this point marks the resonance zone where physical exhaustion and mental fatigue converge—where bodily energy reserves are more than half depleted, yet the finish line remains distant. In 1982, a Yale University research team replicated this phenomenon through a controlled experiment: participants were assigned daily study tasks over six weeks. Dropout rates peaked at 41% on day 22—three times higher than the first week’s rate. The critical variable was “visible progress feedback”: when participants received progress bar updates, midpoint dropout rates fell to 29%. When tasks were split into two phases with milestone rewards, dropout rates dropped further to 17%.

1.2 The Neurological Truth Behind the Dopamine Curve

In 2018, an fMRI experiment at ETH Zurich revealed the physiological mechanism: dopamine concentration in the nucleus accumbens reached 140 nmol/L at task initiation, remained elevated on day 3, but dropped to 63 nmol/L by the midpoint (day 11 in the experiment). At this point, the anterior cingulate cortex (ACC), responsible for error monitoring, became abnormally active, sending “input-output imbalance” alerts to the amygdala. The ingenious “false completion point” design proved pivotal: when participants reached 50% task completion, they received a celebratory milestone (e.g., ribbon animation + achievement badge), triggering a secondary dopamine surge in the ventral tegmental area. This boosted persistence in later tasks by 85%. 2024 Genetic Research Addendum: Individuals carrying the DRD2 gene’s A1 allele variant experience dopamine decay rates 40% faster than average, resulting in a staggering 91% fitness membership abandonment rate among this group.

II. The Halfway Effect in Real Life: Portraits of Abandoned Endeavors

2.1 The Invisible Cliff in Educational Journeys

Data from 100,000 users on an online coding platform reveals a 52% dropout rate in Python Chapter 4 (loop structures)—precisely the transition point from basic syntax to algorithmic thinking. Traditional education faces similar challenges: Gaokao review progress tracking shows March (mid-review period) student absenteeism surges 300% compared to the initial phase, dubbed the “March Collapse” by homeroom teachers. A solution emerged from a top Beijing high school: dividing the year into “Foundation Phase (Sept-Dec),” “Breakthrough Phase (Jan-Mar),” and “Final Sprint (Apr-Jun),” with achievement showcases at each stage’s conclusion. This approach boosted their key university admission rate by 28%, significantly outperforming comparable schools.

2.2 The Silent Collapse of Health Management

Smartband data from 100,000 users revealed a collective slump in fat-loss plans between days 31-35: average daily steps dropped 42%, and calorie-tracking gaps surged to 79%. Clinical nutritionists pinpointed a double whammy: basal metabolic rate adaptation declines 5-8% during this phase, while psychological fatigue reaches a tipping point. Successful breakout strategies employ “sensory reset techniques”: switching exercise types (e.g., transitioning from running to swimming) or updating meal plans (adding exotic flavors) in week four boosts persistence rates to 63%. Is your fitness plan stalling in week six? Try swapping treadmill runs for squash tomorrow.

2.3 The Interest Cultivation’s U-Turn Curse

A music school’s data shows: Over 60% of adult students drop out between lessons 14-16—precisely when progressing from simple pieces like Ode to Joy to more complex works like Für Elise. Cognitive psychology explains: At this point, the learning curve hits a “plateau phase,” where the absence of perceived progress leads to motivation depletion. Smart Music Schools invented “false milestones”: scheduling stage performances (with simplified pieces) around the 10th lesson triggers a dopamine surge that helps students break through plateaus. Calligraphy classes utilize ink-tracking software: visually comparing mid-term works with AI-generated simulations of early attempts to highlight incremental progress.

The Halfway Effect in Real Life: Portraits of Abandoned Endeavors

III. The Mid-Project Effect in the Workplace: Addressing Collapsing Organizational Goals

3.1 The Phantom Zone of Project Management

A chip R&D team spent three years tracking a phenomenon: in 18-month projects, defect rates surged 300% between months 8 and 10—a period engineers dubbed the “Valley of Death.” The root cause? Early technical validation was complete, but mass production challenges remained hidden. A successful case study from a Shenzhen-based company involved setting a “fake delivery milestone” at 45% project completion—requiring the team to produce a demo-ready simplified prototype. This reduced late delivery rates by 57% and unexpectedly yielded 13 derivative patents.

3.2 The Mid-Game Crisis in Sales Campaigns

Tracking major insurance deals reveals that failure rates exceed 75% when sales progress reaches 60%. marking the painful transition zone where clients shift from interest to decision-making. Top sales professionals employ the “pain point diversion technique”: when sensing client hesitation, they proactively pause product presentations and instead invite visits to claims service centers. This scenario shift activates new brain regions, drastically reducing decision pressure. Data confirms: those using this strategy saw mid-stage closing rates increase by 89%.

3.3 The Crucible of Innovation R&D

A biotech lab found: Phase II clinical trials (mid-stage) termination rates hit 68%, far exceeding Phase I (21%) and Phase III (11%). Breakthrough teams implement the “Hope Project”: When experiments stall, simultaneously launch three small-scale exploratory projects in alternative directions. Neuro-management experiments confirm: Multitasking disperses team frustration, reducing ACC activation intensity by 37%.

IV. Neuroengineering of the Halfway Effect: Brain Reprogramming Strategies

4.1 Cognitive Calibration’s False Endpoints

An efficiency software breaks down “report writing” into: Data Collection (30%) – Draft Construction (50%) – Polishing & Optimization (80%) – Delivery (100%). The key innovation: When users reach 50%, an animation pops up saying “Congratulations on completing the main framework,” triggering a second dopamine release. Tests show user completion rates rise to 92%, compared to only 68% for the traditional progress bar group.

4.2 Progress Bait in Environmental Design

The Tokyo Marathon features a “virtual finish line” at the 21km mark: complete with arches, ribbons, and cheering crowds (though it’s actually the halfway point). When runners cross this line, their endorphin levels surge, reducing dropout rates in the second half by 40%. Businesses can adapt this design: host a mock celebration mid-project and award “Stage Conqueror” badges.

4.3 Social Commitment and Diffusion of Responsibility

An online learning platform experiment found that when users publicly pledged to donate 200 yuan if they dropped out mid-course while sharing progress updates in a community, completion rates soared to 89%. This compared to just 45% for a standard check-in group. Neuroeconomic research explains this: public commitments activate the dorsolateral prefrontal cortex, reinforcing behavioral consistency.

Neuroengineering of the Halfway Effect: Brain Reprogramming Strategies

V. Cross-Domain Insights from the Halfway Effect: Resonance from Physics to Ecology

5.1 Overload Early Warning in Mechanical Systems

High-speed rail bearing monitoring systems feature a “mid-term fatigue threshold”: when operational mileage reaches 50% of the design lifespan, molecular-level repair coatings are automatically sprayed. This technology reduces bearing failure rates by 83% over the entire lifecycle. Workplace analogy: initiating career restructuring consultations when employees reach 2.5 years of tenure (mid-term average tenure) lowers turnover rates by 44%.

5.2 Transition Zone Management in Ecological Succession

Wetland restoration projects revealed: when vegetation recovery reaches 45% coverage, species diversity mysteriously declines. Ecologists adopted the “island-hopping tactic”—preserving restored zones while establishing new recovery corridors at distant ends, eventually connecting them into contiguous areas. This strategy reduced mid-term ecological collapse rates from 71% to 9%.

5.3 Distribution of Thrill Points in Game Design

Top game designers embed “miracle moments” during mid-level progression (45%-55%): e.g., last-minute rescues or hidden bosses dropping legendary gear. Neurological tests reveal: dopamine levels at these points surpass those at game start, boosting late-stage retention by 300%.

5.4 Comparative Matrix of Related Psychological Mechanisms

Distinguish between easily confused concepts:

Theory NamePoint of OccurrenceCore TriggerBehavioral CharacteristicsKey Intervention Points
Halfway EffectHalfway through goalDiminishing perceived rewardsAbrupt surge in abandonment rateCreate artificial completion milestones
Priming EffectTask initiationInsufficient action momentumNever actually startedLower the activation threshold
Goal Gradient EffectApproaching EndpointHeightened reward anticipationSprinting behaviorAmplify endpoint allure
Sunk Cost FallacyEntire CycleEarly investment hijackingIrrational persistenceEstablish stop-loss mechanisms
Comfort Zone EffectTransition PointChange aversionEscalating resistanceGradual challenges

For instance, Brook’s unused gym membership exemplifies the Midpoint Effect (mid-point abandonment), while “buying books but not reading them” represents the Priming Effect (failure to commence); marathon runners accelerating in the final two kilometers exemplify the goal gradient effect (finish-line motivation). Modern individuals often fall victim to a chain reaction: delayed action due to the initiation effect (purchasing books unread), encountering mid-point abandonment (reading only partway), and then refusing to discard due to the sunk cost fallacy (hoarding unread books).

VI. Toolkit for Overcoming Mid-Journey Effects: Scientifically Countering Mid-Course Collapse

6.1 The Magic of Progress Visualization

A graduate exam prep institution divided the 12-month review period into 84 “micro-milestones” (each lasting about 4 days). Completing every 7 milestones unlocked an achievement story. Student persistence rates reached 91% during the traditional dropout peak (month 3), compared to just 49% in the control group.

6.2 Spatial-Temporal Design of Energy Refresh Points

A mountaineering company built a “Starlight Oxygen Lounge” at 3,000 meters (midway between Everest Base Camp and summit). This panoramic glass chamber offers hyperbaric oxygen therapy and virtual summit VR experiences. Climbers who rested here saw their summit success rate jump to 78% from 52%.

6.3 Cognitive Reconstruction via Setback Converters

AI writing tools implement a “Mid-Process Rescue Kit”: When users pause writing for 3 days, it automatically generates prompts like “Your story has risen to #23 on the reader anticipation chart.” Tests show 70% of users resume writing afterward, compared to under 15% open rates for traditional reminder emails.

VII. Application Methods of the “Halfway Effect” in Organizational Behavior

7.1 Task Reconstruction: Transforming “Single-Path Marathons” into “Multi-Stage Relays”

Method: At project initiation, consciously divide long-term goals into multiple intermediate milestones with independent value and clear celebratory rituals. Each phase should have distinct priorities and team configurations, creating the freshness of “multiple starts” and the sense of accomplishment from “multiple finishes.”

Example: Smith divided the remaining six months of work into three “mini task seasons,” each with independently deliverable and demonstrable outcomes.

7.2 Dynamic Feedback and “Progress Visualization”

Method: Mid-project, increase feedback frequency and visibility. Use tools like burn-down charts and progress boards to make even minor advances clearly visible. Crucially, shift feedback focus from “how far we still have to go” to “how far we’ve already come” and “the value of completed work,” reinforcing a sense of accomplishment.

Example: Host mid-project celebrations showcasing tangible business value from completed work (e.g., cost savings, efficiency gains), shifting focus from “remaining burden” to “achieved milestones.”

7.3 Social Support and Accountability Structure Design

Method: Strengthen social bonds and mutual dependence among team members during the motivation-vulnerable mid-project phase. Establish mechanisms like buddy systems, daily stand-ups, and cross-functional collaboration groups to leverage peer pressure and support against individual slackness. Make quitting not just a personal failure, but a betrayal of teammates.

Example: Introduce a “buddy accountability system” linking individual progress to regular peer reviews, creating a gentle yet effective social oversight and support network.

Application Methods of the “Halfway Effect” in Organizational Behavior

VIII. Application Methods of the “Halfway Effect” in Human Resource Management

8.1 Performance Management Process: Implement Quarterly “Progress Dialogues”

Method: Reform annual performance evaluations by adding formal “Progress and Support Dialogues” during quarterly or project midpoints. The purpose of these dialogues is not scoring, but to help employees take stock of progress, identify mid-term challenges and resource needs, adjust action plans, and acknowledge existing contributions. This serves as a “Halfway refueling station” for employees’ personal goal journeys.

Example: HR mandates that for any personal development goal or key task exceeding a 6-month cycle, managers must conduct a structured “mid-term review” meeting with employees during the third month.

8.2 Employee Development and Training: Implementing “Micro-Credentials” and Badge Systems

Method: For long-term skill development programs (e.g., leadership initiatives, professional certifications), break them down into a series of modular “micro-courses” or “skill badges.” Employees receive immediate certification and recognition upon completing each module, sustaining positive motivation throughout the extended learning journey and countering the impulse to drop out.

Example: A one-year “Data Analyst Advancement Program” is structured into eight modules. Upon completing each module and passing the practical assessment, participants earn a digital badge displayed on the company intranet.

8.3 Incentive Mechanism Design: Implementing “Milestone Bonuses” and “Perseverance Awards”

Method: When designing bonuses for long-term projects, avoid concentrating all rewards at the endpoint. Establish “mid-term milestone bonuses” to reward teams for achieving key intermediate outcomes. Consider creating a “Project Perseverance Award” to recognize individuals or teams demonstrating exceptional resilience and collaborative spirit during the project’s most challenging mid-phase.

Example: A two-year product development project includes mid-term incentives like “Architecture Review Pass Award” and “First User Test Pass Award” alongside the final launch bonus.

8.4 Talent Retention and Engagement Management: Addressing “Mid-Career Burnout”

Method: Employees often experience burnout during their 3-5 year tenure (the career “midpoint”). HR should proactively identify this group and inject new meaning and challenges into their work through career dialogues, job rotations, participation in special projects, and assigning mentorship roles. This helps them re-establish upward momentum and prevents critical talent attrition at this critical juncture.

Example: For high-potential employees with four years of tenure, HR launched the “Career Explorer” program, offering six-month cross-departmental rotations to reignite their work motivation.

Application Methods of the “Halfway Effect” in Human Resource Management

IX. The Evolution of the “Halfway Effect”

9.1 Phenomenon Observation and Conceptualization

As an empirical observation in management practice, the “Halfway effect” lacks a single scholarly origin for its explicit conceptualization. It primarily represents a psychological generalization of the “hitting the wall” or “plateau phase” commonly observed in marathon running and long-term project management.

9.2 Explanations from Goal-Setting Theory and Self-Regulation Theory

Edwin Locke’s Goal-Setting Theory posits that clear, challenging goals provide motivation, but long-term goals involve delayed feedback. Halfway through, ambiguous feedback makes sustaining motivation difficult. Self-Regulation Theory emphasizes that individuals constantly compare their current state to their goals; significant gaps mid-term easily trigger frustration.

9.3 Application of “Implementation Intentions” and Mental Contrasting

Psychologist Peter Gollwitzer’s “implementation intentions” (i.e., “if-then” plans) serve as an effective tool against the Halfway effect. They help individuals automatically trigger predetermined actions (“then I will brainstorm with my partner for 15 minutes”) when encountering specific mid-task difficulties (“if I feel fatigued”), bypassing willpower depletion. Gabriel Oettingen’s “mental rehearsal” technique (simultaneously visualizing both goals and obstacles) also fosters more realistic and resilient responses to mid-process challenges.

9.4 Structured Responses in Agile Development and OKR Management

Modern management approaches embed countermeasures against the “Halfway effect” into their processes. Agile development’s ‘sprints’ break long cycles into shorter intervals, continuously delivering a sense of accomplishment. The quarterly goal-setting and review rhythm of OKR essentially creates multiple artificial “starting points” and “finish lines,” preventing teams from getting stuck in prolonged “Halfway” phases.

9.5 Distinctions and Connections Among Four Phases

  • Comparative Analysis
Comparison DimensionsHalfway Effect (Phenomenon Description)Goal Setting and Self-Regulation Theory (Causal Analysis)Execution Intentions and Mental Contrast (Individual Intervention Tools)Agile and OKR (Organizational System Design)
EssenceA naming and characterization of a universal predicament: the phenomenon of motivation depletion at midpoint during goal pursuit.Two classic psychological theories explaining “why” this occurs: Goal Setting explains motivation sources and feedback delays; Self-Regulation explains mental contrast and emotional responses.Two cognitive science-based “mental techniques” for individuals to automatically navigate or adjust mindset mid-process.Two “management operating systems” embedding countermeasures against the Halfway Effect into workflows.
Core Focus“What’s happening?” (Motivation collapses mid-process).“Why does this occur?” (Because goal feedback is too distant/self-comparison breeds frustration).“What can individuals do?” (Develop “if-then” plans/conduct mental rehearsals).“How should teams operate?” (Avoid prolonged halfway slumps through short-cycle iterations and frequent retrospectives).
Key ContributionsTransforms vague feelings of helplessness into manageable targets, heightening organizational vigilance.Provides a robust, actionable psychological mechanism explanation for the phenomenon, grounding interventions in evidence.Delivers simple, easy-to-learn, evidence-based self-help techniques empowering every employee.Establishes preventive, structured teamwork paradigms that reduce occurrence probability at systemic roots.
Relationship to the “Halfway Effect”It is “clinical diagnosis.”It is “pathological report” and “etiological diagnosis.”It is “personal rehabilitation training method.”It is “public health and healthy lifestyle promotion.”
  • Core Connections

These four elements form a progressive solution framework: “Identify the Problem → Understand the Principle → Equip Individuals → Transform the System”:

Identify the Problem (Halfway Effect): First, managers must recognize that stalled projects or efforts Halfway are not random morale issues, but a predictable “psychophysical phenomenon.” Naming it (the Halfway Effect) is the first step toward effective management.

Understanding the Principle (Goal-Setting & Self-Regulation Theory): Next, its root causes require scientific understanding. Goal-setting theory reveals that motivation requires clear, immediate feedback to sustain, while long-term goals inherently carry design flaws. Self-regulation theory shows that mid-term “current state vs. goal” comparisons trigger heightened negative emotions and withdrawal behaviors. This explains why the “Halfway point” is so perilous.

Equip Individuals (Implementation Intentions & Mental Rehearsal): Building on this understanding, equip team members with “mental tools.” Implementation intentions (if-then plans) serve as “cognitive automation” scripts that automatically trigger correct actions when willpower wanes. Mental rehearsal helps individuals face mid-term obstacles with greater resilience and realism. These are micro-techniques for boosting personal grit.

System Transformation (Agile & OKR): The most effective strategy is prevention. Agile development and OKR management fundamentally reshape goal achievement pathways through top-level design of organizational workflows. By enforcing short cycles, strong feedback loops, frequent reviews, and recalibration, they essentially eliminate the traditional, protracted “Halfway phase.” This embeds the philosophy of countering the Halfway effect as the organization’s “default working mode.”

In essence: “We observed people abandoning climbs halfway up the mountain (effect) → Research revealed they couldn’t see the summit and their legs ached too much (theory) → So we taught climbers breathing techniques and how to focus on footing (individual tools) → Finally, we redesigned the entire route into a series of manageable hills with rest stops and scenic viewpoints (system design).”

  • Summary of Metaphors

Midpoint Effect: Much like observing that “most long-haul truck drivers are most prone to drowsiness or giving up at the midpoint of their journey” — this represents an empirical identification of a hazardous phenomenon.

Goal-Setting and Self-Regulation Theory: Comparable to traffic psychology’s explanation that “the initial novelty of driving has faded while the destination remains distant, intensifying fatigue perception and lacking mid-journey achievement feedback” — this dissects the underlying physiological and psychological mechanisms.

Implementation Intentions and Mental Rehearsal: For instance, teaching drivers two techniques: “If you feel drowsy (if), immediately chew an extra-strength mint and open the window (then)”; and “Before departure, visualize not only your family’s smiling faces but also seriously consider potential blizzards en route” — providing drivers with personalized, concrete fatigue-fighting and mental preparation toolkits.

Agile and OKR: Comparable to a logistics company reforming its transport model. Instead of scheduling a single long-haul task from New York to Los Angeles, routes are designed as relays like “New York-Cleveland” and “Cleveland-St. Louis.” Each segment features distinct driver teams, clear deliverables, and celebratory rituals—a systemic innovation fundamentally eliminating “fatal long-haul driving” from the operational model.

The Halfway Effect reveals a phenomenon where abandonment rates surge during goal execution when physiological fatigue and psychological burnout resonate. Its neural mechanism manifests as diminished dopamine secretion in the nucleus accumbens and heightened risk warnings in the anterior cingulate cortex.

In daily life, Brook’s gym membership gathers dust by month two, students falter mid-term, and health plans collapse by week six. In the workplace, projects plunge into the “Valley of Death” mid-course, sales slip at the final hurdle, and R&D stalls at Phase II clinical trials. While the priming effect focuses on initial barriers and the goal gradient effect leverages endpoint incentives, the midpoint effect uniquely targets the catastrophic decline in momentum during the middle phase.

Breaking this pattern requires a three-pronged approach:

  • Neurologically: Create artificial completion points to trigger secondary dopamine release (e.g., celebrating 50% progress milestones).
  • Behaviorally: Employ magic-cutting techniques to break down goals into micro-targets (e.g., dividing graduate school prep into 84 micro-stages).
  • Environmentally: Reconfigure midpoint settings (oxygen bars during mountain hikes).

Modern individuals should master the “dynamic re-anchoring method”: when midpoint crises emerge, swiftly switch implementation paths (e.g., switching to new fitness routines) or refine goal dimensions (e.g., shifting from fat loss to body sculpting). Understanding this effect isn’t about justifying abandonment, but equipping scientific climbing poles to conquer hills—for true victors are those who recognize mid-journey pitfalls yet maintain precise momentum.

References

  1. Edwin A. Locke and Gary P. Latham’s “Goal-Setting Theory.”
  2. Peter Gollwitzer’s research on “Implementation Intentions.”
  3. Gabriele Oettingen’s research on “Mental Contrasting.”
  4. John Doerr – “Succeed with OKRs”
  5. Marathon data sourced from Boston Athletic Association’s “1967-2023 Race Analysis Report.”
  6. Neural mechanism research referenced from “Midpoint Neural Collapse in Goal Pursuit,” Nature Neuroscience, 2018.
  7. Education data sourced from the Ministry of Education’s 2024 National Senior High School Review White Paper.
  8. Project management case study adapted from PMI’s 2025 Cross-Border Project Mid-Term Crisis Management Handbook.
  9. Game design principles referenced from GDC 2024 presentation The Midpoint Miracle: Retention Engineering.

类似文章

发表回复

您的邮箱地址不会被公开。 必填项已用 * 标注