Decoding Gamer Motivation: A Critical Look at the Psychogenic Equilibrium Theory
In the gaming industry, understanding what drives individuals to engage with games has become a central concern for researchers, designers, and marketers alike. Player motivation is no longer seen as a nebulous concept but as a cornerstone of effective game design and user retention. Among the latest contributions to this evolving discourse is the Psychogenic Equilibrium Theory of Gamer Motivation (PETGaMo), developed by Try Evidence. This ambitious framework aims to decode the psychological underpinnings of player behaviour through a lens of emotional balance and motivational diversity.
This article critically evaluates PETGaMo in relation to existing models such as Bartle’s Taxonomy and Self-Determination Theory (SDT). We explore the strengths and weaknesses of PETGaMo, assess its practical applications, and considers its potential for shaping both academic theory and industry practice.
Disclaimer: This article is an independent review by JC Pass for Simply Put Psych. We are not affiliated with Try Evidence or the authors of PETGaMo. The opinions and interpretations below are the authors alone.Established Models: Bartle and SDT as Cornerstones
One of the earliest and most widely recognized models of player motivation is Richard Bartle’s (1996) taxonomy, which categorizes players of MUDs into four types: Achievers, Explorers, Socializers, and Killers. While influential and accessible, this model has been criticized for its rigidity and lack of nuance, especially in relation to the complex and varied gaming environments of today.
In contrast, Self-Determination Theory (SDT), formulated by Deci and Ryan (1985), provides a more generalized psychological framework. SDT identifies three core needs: autonomy, competence, and relatedness. Applied to gaming (notably by Ryan, Rigby, and Przybylski, 2006), these needs help explain the intrinsic satisfaction players derive from gameplay. However, SDT is often considered too abstract for direct application in game design without further operationalization.
Introducing PETGaMo: A Motivation Model Rooted in Emotional Balance
The Psychogenic Equilibrium Theory of Gamer Motivation introduces a novel perspective: that players engage with games to achieve a state of emotional homeostasis, or "psychogenic equilibrium." This concept suggests that gameplay is a self-regulatory activity through which players restore balance in response to internal or external stressors. In this framework, motivational drives are understood as attempts to alleviate psychological tension and attain emotional stability.
PETGaMo is designed not only to deepen our understanding of gamer behaviour, but also to serve as an actionable framework bridging high-level psychological insight with granular game design choices.
Building on psychological theories, particularly Henry Murray’s taxonomy of psychogenic needs, PETGaMo organizes gamer motivation into four overarching domains, each with multiple sub-drives:
Mastery & Immersion (e.g., Resilience, Completion, Accumulation, Achievement, Escapism)
Control & Challenge (e.g., Catharsis, Supremacy, Problem-Solving)
Social Connection (e.g., Cooperation, Recognition, Deep Relations, Reflection, Nurturing)
Autonomy & Rebellion (e.g., Autonomy, Rebellion, Conformity)
This refined structure is the result of Try Evidence’s iterative empirical testing, including factor analysis and psychometric surveys conducted across diverse player demographics in the US, UK, Germany, France, and South Korea. The result is a model that is both conceptually rich and practically applicable.
What PETGaMo also highlights, more than its predecessors, is that many motivational drives are subconscious or compensatory. Rebellion, catharsis, or accumulation may function as symbolic actions of emotional repair, making the model useful for understanding not just what players do, but what they might be working through.
Strengths of PETGaMo
One of the key strengths of PETGaMo is its granularity. Unlike Bartle’s four categories or SDT’s three needs, PETGaMo identifies 16 motivational drives, enabling a more detailed understanding of what players seek from their gaming experiences. For instance, distinguishing between players who pursue "Completion" and those driven by "Accumulation" allows developers to design content that speaks directly to different motivational profiles.
PETGaMo also serves as an operational extension of SDT. Drives such as Challenge and Learning map neatly onto SDT’s concept of competence, while motivations like Cooperation and Recognition align with relatedness. The theory thus bridges the gap between high-level psychological theory and design-level implementation.
Another notable strength is PETGaMo’s attention to underrepresented motivations, such as Catharsis (relieving negative emotions through gameplay) and Rebellion (breaking in-game norms or systems). These drives, often stigmatized or overlooked, are contextualized as legitimate responses to psychological needs, thereby enriching our understanding of gamer behavior.
Finally, PETGaMo reflects a serious attempt at empirical grounding. Initial validation studies, including over 1,000 players across multiple countries, lend preliminary support to the theory’s structure. The researchers used psychometric tools, factor analysis, and demographic correlations to ensure that the drives cluster logically and hold up across different markets.
Limitations and Challenges
Despite its innovations, PETGaMo is not without limitations, albeit relatively minor ones, particularly for a framework still in early academic circulation.
First, while PETGaMo has undergone rigorous internal validation and international sampling, further peer-reviewed, independent academic testing will help establish its role within broader motivational theory. Additional validation across genres, platforms, and cultural contexts will be essential to solidify its credibility and ensure generalizability.
Second, the model’s richness and complexity may pose a barrier to adoption, especially for smaller studios. Designing for 16 motivational drives risks feature creep or design incoherence if not carefully scoped. Developers may benefit from identifying 2–3 core drives that align with their creative vision and audience profile.
Third, although PETGaMo makes room for demographic considerations, it currently lacks deeper integration of psychographic and cultural variables; factors that can significantly shape motivational dynamics. However, this should be viewed less as a flaw and more as an opportunity for future refinement. The existing framework provides a solid foundation upon which adaptive, player-specific profiling tools could be built upon, whether through behavioural analytics, optional surveys, or machine learning integrations. Such extensions could deepen PETGaMo’s utility in personalizing game experiences across diverse audiences.
Practical Applications for Game Design and Marketing
From a practical standpoint, PETGaMo has strong implications for game development, particularly in its ability to guide intentional design. For example:
A souls-like game might focus on Resilience, Problem-Solving, and Achievement.
A cozy farming sim might highlight Nurturing, Cooperation, and Autonomy.
A competitive shooter might emphasize Supremacy, Recognition, and Catharsis.
Rather than designing for an "average player," PETGaMo encourages developers to identify and cater to distinct motivational clusters. This targeted approach helps reduce churn, deepen engagement, and avoid mismatched expectations.
PETGaMo is also useful for marketing strategies. Understanding a game’s dominant motivational appeal allows studios to better frame promotional messaging, align with relevant Steam tags, and shape community initiatives that resonate with their audience’s psychological drivers.
Try our demonstration of the PETGaMo.
This quiz showcases how one might translate the PETGaMo framework into an user-friendly tool to explore player motivations. This quiz doesn’t store any data. It’s serves as a quick and fun tool that hopes to illustrates the key PETGaMo concepts (e.g., domains and sub-facets) through a quick assessment.
A PETGaMo-Inspired Quiz
This short quiz serves to introduce you to the Psychogenic Equilibrium Theory of Gamer Motivation.
Click the button below to begin the short 16-question quiz.
Your PETGaMo Scores
Want to learn more about PETGaMo? Check out Try Evidence .
We built this quiz for educational purposes, as an introduction to the concepts of the PETGaMo framework. Simply Put Psych is not associated with Try Evidence. Scores from this quiz are indicative, not a validated measure. All credit for the PETGaMo Framework goes to Debek, M. (2025). The Psychogenic Equilibrium Theory of Gamer Motivation: A Framework for Decoding What Players Really Want. Try Evidence.
Comparative Insights: PETGaMo vs. Existing Models
In juxtaposition with Bartle’s Taxonomy and SDT, PETGaMo emerges as a synthesis of depth and applicability. Bartle remains useful for broad segmentation, but lacks nuance. SDT offers psychological robustness, but can be difficult to translate directly into design decisions.
PETGaMo occupies a productive middle ground: detailed enough to inform specific design choices, but structured enough to be scalable. Developers can use Bartle for strategic overview, SDT for motivational alignment, and PETGaMo for execution-level granularity.
Future Directions and Research Potential
We would like to see further research and validation in the following directions, in hopes for PETGaMo to achieve widespread adoption:
Longitudinal studies on how player motivations evolve over time
Cross-cultural validation to refine or localize motivational clusters
Integration with player analytics to develop adaptive systems
The development of in-game diagnostic tools could also enhance PETGaMo’s utility. For instance, lightweight player surveys or behavioural pattern recognition could dynamically identify a user’s motivational profile and tailor content delivery accordingly.
Simply Put
The Psychogenic Equilibrium Theory of Gamer Motivation represents a promising advancement in the study of player psychology. By grounding motivation in the universal drive for emotional equilibrium and unpacking it into a rich taxonomy of 16 distinct needs, PETGaMo fills important gaps left by earlier models.
What makes PETGaMo especially compelling is its dual strength: theoretical depth and real-world usability. It doesn't just help us understand why players game, it offers developers a map to design with purpose. It encourages a shift away from designing for an abstract "average player," and instead, toward crafting meaningful experiences tailored to real psychological drives.
While further empirical testing and tooling will enhance its reach, PETGaMo already offers developers and researchers a valuable, actionable framework. It helps turn vague notions of engagement into measurable, designable, and testable components of play. In a rapidly evolving industry where attention is precious and retention is everything, PETGaMo’s potential to create emotionally resonant games is not just timely, it’s necessary. We look forward to seeing what the future holds for this framework of player motivation.
References
Bartle, R. (1996). Hearts, clubs, diamonds, spades: Players who suit MUDs. Journal of MUD Research.
