The question
The main game design frameworks in this wiki are not competing answers to the question of what a game is. They are complementary views of the same thing: Schell helps with design lenses and experience goals, MDA clarifies system layers, Koster explains learning and pattern mastery, Sellers explains systems and loops, and Swink explains moment-to-moment feel. Use this page when you want the shortest route through how those frameworks fit together and which one is most useful for a given design problem.
The answer is that they are not competing. They are describing the same object — a game — from different distances and at different levels of abstraction. This page maps where they converge, what each uniquely contributes, where they appear to conflict (and why the conflict is productive rather than contradictory), and how to use them together.
The converging claims
Across all eight sources, five claims appear in some form in every framework.
1. A game is a system. Every framework treats a game as a set of interacting parts that produce outcomes none of the parts could produce alone. MDA calls them mechanics; Sellers calls them parts within structural loops; Schell’s elemental tetrad identifies four mutually reinforcing elements; Adams describes resources, sources, and drains. The vocabulary differs; the underlying model does not.
2. The designer’s goal is a player experience, not a designed object. Schell’s most foundational principle is that designers must design the experience, not the game. MDA names the experience explicitly as the aesthetics layer — the emotional responses the game evokes. Koster defines fun as the satisfying cognitive experience of pattern recognition. Adams calls his philosophy player-centric design and frames the designer’s duty as a duty to entertain and to empathise. All agree: the game is a means; the experience is the end.
3. Designers do not control player experience directly. This is the most important and most frequently overlooked claim. MDA formalises it as the designer-player asymmetry: designers work from mechanics to aesthetics; players work from aesthetics to mechanics. Sellers calls it second-order design — designers create state-spaces, not paths through them. Schell names it holographic design — seeing both the structure (skeleton) and the experience (skin) simultaneously, knowing that changes to one cascade unpredictably through the other. All three are saying the same thing: you cannot specify the experience; you can only shape the conditions under which it is likely to emerge.
4. Feedback loops sustain engagement. Flow (Csikszentmihalyi, via Schell) requires a continuous loop of challenge and response calibrated to the player’s current skill. Sellers’ neurochemical model describes how different loop timescales — inner, core, outer — activate different reward systems. Swink’s ADSR model describes feedback at the sub-second level: attack, decay, sustain, release in response to input. Koster’s learning model describes feedback at the cognitive level: a pattern is perceived, tested, and chunked. The mechanisms differ, but all describe the same structural requirement — a game without feedback loops is a game that fails to hold attention.
5. Challenge must be balanced to capability. Csikszentmihalyi’s flow channel (challenge slightly exceeding skill) is the most cited formulation, but all frameworks reach the same conclusion through different routes. Adams’ difficulty model distinguishes absolute from perceived difficulty and describes both as design variables. Koster explains boredom not as too little challenge but as too little new pattern — mastery produces boredom. Sellers connects challenge calibration to the Yerkes-Dodson arousal curve. The implication for design is always the same: misjudging this balance is the primary cause of a player stopping.
The distinct contributions
Each source adds something the others do not.
Schell — the designer’s craft perspective. The Art of Game Design is the most practically oriented of the sources. The 100 lenses are not a taxonomy but a cognitive tool: a set of perspective-shifting questions that force the designer to examine the same game from different angles. Schell’s most durable contribution is probably the concept of holographic design — the discipline of holding the mechanical structure and the lived experience in mind simultaneously, and recognising that the experience is what matters. He also provides the most usable account of interest curves: plotting player engagement over time as a design tool, not just an analytical one.
MDA — the most precise analytical framework. Hunicke, LeBlanc, and Zubek give the field its clearest vocabulary for the layers of a game (Mechanics, Dynamics, Aesthetics) and its clearest account of the designer-player asymmetry. The eight aesthetics — sensation, fantasy, narrative, challenge, fellowship, discovery, expression, submission — provide a vocabulary for intended experience that is specific enough to be useful without being prescriptive. MDA is the framework most useful for analysing a game’s structure and diagnosing mismatches between design intent and player experience.
Koster — the cognitive science grounding. A Theory of Fun grounds game design in how the brain actually learns. Fun is not arbitrary pleasure; it is the specific cognitive satisfaction of pattern recognition and successful chunking. This explains several otherwise puzzling design phenomena: why games become boring once mastered (the patterns are fully chunked; there is nothing left to learn); why players will invest enormous effort for tiny rewards if the effort involves skill acquisition; why art is harder to enjoy than entertainment (art resists chunking). Koster also provides the field’s clearest account of why games can aspire to be more than entertainment — and what the distinction costs.
Sellers — systems thinking at depth. Advanced Game Design operates at a lower level of abstraction than the other sources: below mechanics, at the level of how systems produce emergent behaviour. The cobra effect, structural coupling, causal loop diagrams — these are tools for understanding why games produce dynamics their designers did not intend. Sellers’ most important contribution for practice may be second-order design: the explicit framing of the designer’s job as creating a state-space (the possibility space of a game) rather than a scripted path through it. This reframing changes how designers think about player freedom, emergent gameplay, and the meaning of “balance”.
Swink — the physical layer. Game Feel addresses a layer that no other source examines in detail: the moment-to-moment physical sensation of interacting with a game through its controls. Swink’s three building blocks — real-time control, simulated space, and polish — describe the foundation on which all other layers rest. His insight is that this foundation can be designed independently of mechanics: a game can feel satisfying to control before a single rule is in place. The ADSR model (attack, decay, sustain, release) gives designers language for the temporal contour of feedback. Proxied embodiment — the player’s felt sense of inhabiting the game’s avatar — explains why control responsiveness is not merely a technical quality but a design one.
Adams — the comprehensive reference. Fundamentals of Game Design is the broadest of the sources. Adams’ contribution is not a single framework but a complete taxonomy: eight categories of challenge, a rigorous model of internal economy (sources, drains, converters, feedback loops), a framework for level design, and the most complete account of player-centric design philosophy. The Adams source is best used as a reference — the place to go when you need precision about a specific design concept — rather than as a primary theoretical frame.
Bond — the process perspective. Bond’s Layered Tetrad is a useful extension of Schell’s Elemental Tetrad, adding three layers of meaning (inscribed, dynamic, cultural) across Schell’s four elements. More importantly, Bond is the source most focused on design as a process rather than a body of knowledge. The iterative design loop, playtesting circles (tissue, friends-and-family, public), and risk-driven prototyping are tools for how to work, not just what to know. Bond and Adams together provide the ethical and methodological underpinning for player-centric design practice.
Poole — the critical theory lens. Trigger Happy is the most distant from practice and the most useful for situating games culturally. Poole’s control-centric definition of games (interactivity as the essential quality that distinguishes games from other media) complements and productively challenges Schell’s experience-centric definition. His semiotic analysis of games as sign systems — where players learn to read iconic, symbolic, and indexical signs — explains how genre conventions develop and why they matter. The games-versus-film argument grounds the discussion of what games can do that other media cannot, and why that matters for design.
Productive tensions
Three apparent conflicts between the sources are worth examining, because each reveals something important when resolved.
Fun as learning (Koster) versus fun as feeling (Swink). Koster argues that fun is fundamentally cognitive: the satisfaction of recognising and mastering a pattern. Swink argues that game feel — the sensory pleasure of responsive, well-tuned control — is itself a form of fun, independent of any cognitive achievement. These seem to contradict each other, but they are describing different layers. A game can feel wonderful to control and be cognitively empty (many “tech demo” games). A game can be cognitively rich and feel terrible to play (early text-based strategy games, or a poorly tuned action game). The best games are satisfying at both layers simultaneously — and a designer who optimises only one layer will typically find that the other undermines it.
Craft (Schell) versus systems analysis (Sellers). Schell’s lenses are tools for a craftsperson: intuitive, question-based, oriented toward iterative improvement by a skilled practitioner. Sellers’ causal loop diagrams are tools for a systems analyst: formal, structural, oriented toward understanding emergent behaviour. These are not competing approaches; they are complementary at different phases of design. Early in a project, Schell’s lenses help clarify intent and identify mismatch between experience and mechanics. Later, when a game produces unexpected dynamics, Sellers’ structural tools help diagnose why. A designer who only uses one is likely to be blind in the areas where the other is strongest.
Designer control (Schell’s lenses) versus emergence (MDA and Sellers). Schell’s 100 lenses — applied with enough diligence — imply that the designer can shape the experience with precision. MDA and Sellers both argue that experience is fundamentally emergent: the designer sets up conditions; the experience arises from player interaction with those conditions in ways that cannot be fully predicted. This tension is resolved by Bond: playtesting is the mechanism that closes the gap. The lenses are tools for articulating intent and directing attention. MDA and Sellers explain why that intent will never map perfectly onto experience. Playtesting is how you observe the gap, measure it, and reduce it through iteration. All three are necessary.
A working model
Rather than choosing one framework, designers benefit from holding all of them as layers of the same object. A game can be understood simultaneously at five levels of abstraction:
| Layer | What it describes | Primary source |
|---|---|---|
| Systems layer | The network of parts, loops, and emergent properties | Sellers |
| Mechanics layer | Rules, resources, actions — what players can do | MDA, Adams |
| Feel layer | Moment-to-moment physical sensation of control | Swink |
| Experience layer | Cognitive and emotional engagement over time | Koster, Schell, MDA aesthetics |
| Cultural layer | How the game is read, interpreted, and situated | Poole, Bond’s Layered Tetrad |
Holographic design (Schell) is the discipline of seeing all five layers simultaneously and understanding that a decision made at one layer has consequences at every other. A change to a mechanic (mechanics layer) alters the emergent dynamics of the system (systems layer), changes the physical contour of interaction (feel layer), affects what patterns players can learn and how quickly (experience layer), and may shift the cultural signals the game sends (cultural layer).
The designer’s job is to work at all five layers without collapsing one into another. A game that is mechanically elegant but physically unpleasant to control will feel wrong to players who cannot articulate why. A game that feels wonderful in the hands but offers nothing new to learn will be abandoned once the initial pleasure wears off. A game that is cognitively engaging but culturally tone-deaf will create unintended meanings.
Where to go next
Different design problems call for different frameworks.
| Situation | Framework to reach for |
|---|---|
| Starting a new design: what experience am I after? | MDA’s eight aesthetics; Schell’s lenses |
| The game isn’t fun — why? | Koster’s chunking/grokking model; flow channel |
| The game feels wrong in the hands | Swink’s three building blocks; ADSR model |
| The game produces dynamics I didn’t intend | Sellers’ causal loop diagrams; second-order design |
| Players are confused or frustrated | Adams’ player-centric design; Bond’s playtesting circles |
| Scoping: what to build first | Bond’s risk-driven prototyping; Swink’s inner-loop-first principle |
| The game is culturally problematic in ways I didn’t expect | Poole’s semiotics; Bond’s inscribed/dynamic/cultural layers |
| I need to explain why something worked or didn’t | MDA’s designer-player asymmetry |
| Players with different motivations want different things | bartle-taxonomy — player type design levers |
| Players aren’t intrinsically motivated | self-determination-theory — Competence/Autonomy/Relatedness audit |
| A reward system feels hollow or manipulative | reward-systems, dark-patterns — ethical motivation design |
| I want to check whether my game exploits players | overview-ethical-game-design — ethical design framework |
No single framework answers all these questions. The value of having all of them is that each illuminates a different failure mode — and games fail in a rich variety of ways.
Extensions beyond the eight sources
The CRE133 and CRE342 lecture series add three dimensions not fully addressed by the eight primary sources:
Player psychology at applied depth. The lecture series introduces SDT (Deci & Ryan), Bartle’s taxonomy, and Maslow’s hierarchy as design frameworks — grounding the “design for experience” claim of the eight sources in specific, actionable models of why players engage, persist, and disengage. The CRE frameworks are particularly strong on the motivation and immersion layers. See overview-player-psychology for a full synthesis.
Ethics. The eight sources treat game design as fundamentally positive and rarely examine the misuse of design psychology. The CRE342 lectures add a systematic treatment of dark patterns — the exploitation of the same mechanisms (variable reinforcement, loss aversion, sunk cost) that ethical design uses for engagement. The ethical dimension is now a distinct layer of the design theory wiki. See overview-ethical-game-design.
Narrative design. The open question below — “narrative design is covered shallowly” — is now partially resolved. The wiki has narrative-design covering three-act structure, story beats, linear/non-linear structures, the illusion of choice, thematic coherence, and narrative tools (Twine, ink). The relationship between narrative and mechanics (story-as-system vs story-as-content) remains an open research area.
Open questions
- Koster’s model is cognitive; Swink’s is sensory. Neither fully addresses the social/relational layer — the experience of playing with or against another person. Bartle’s taxonomy provides player type categories, but the phenomenology of shared play is undertheorised.
- MDA’s eight aesthetics were proposed in 2004. Do they still cover the range of experiences that contemporary games produce? (Live service, social play, short-form mobile, and walking simulators all sit awkwardly within the original taxonomy.)
- How do these frameworks apply to games that deliberately subvert player expectations — games that weaponise genre conventions (Undertale, Doki Doki Literature Club) or make the player’s complicity explicit (Spec Ops: The Line)?
- The working model’s five layers (systems, mechanics, feel, experience, cultural) do not yet include an ethics layer. Does ethical design constitute a sixth layer, or is it better framed as a constraint that operates across all five?
Related
- mda-framework — Mechanics-Dynamics-Aesthetics; designer-player asymmetry; eight aesthetics
- elemental-tetrad — Schell’s four elements; the basis for Bond’s Layered Tetrad
- layered-tetrad — Bond’s extension: inscribed, dynamic, and cultural layers
- holographic-design — seeing skeleton and skin simultaneously
- game-feel — Swink’s three building blocks; the physical layer
- fun-as-learning — Koster’s cognitive grounding of fun
- systems-thinking — Sellers’ structural framework; parts, loops, wholes
- second-order-design — designers create state-spaces, not paths
- flow — the flow channel; challenge-skill balance
- design-lenses — Schell’s 100 lenses as a practical craft tool
- player-centric-design — Adams’ ethical framing; duty to entertain and empathise
- game-loops — Sellers’ loop taxonomy; inner, core, outer loops
- internal-economy — sources, drains, converters, feedback loops
- prototyping — Bond’s iterative design loop; playtesting as gap-closure
- playtesting — the primary mechanism for closing design intent vs player experience
- overview-player-psychology — synthesis of SDT, Bartle, flow, neurochemistry, immersion
- overview-ethical-game-design — synthesis of dark patterns, ethical design, player wellbeing
- overview-unity-2d-architecture — how these design concepts map to Unity scripting patterns
- source-cre133-lectures
- source-cre342-lectures
- source-art-of-game-design
- source-mda
- source-theory-of-fun
- source-advanced-game-design
- source-game-feel
- source-fundamentals-game-design
- source-introduction-game-design-prototyping
- source-trigger-happy