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A game idea is distinctive enough to investigate when you can explain a specific difference players will experience, identify an audience likely to care about it, and test the difference in a small prototype. It does not have to be unprecedented. Distinctiveness is a reason to take the next measured step—not proof that the game will sell or succeed.
What “distinctive enough” means
Distinctiveness is not the same as being wholly original. Most games share genres, mechanics, themes, or familiar forms of play with earlier games. The useful question is whether your particular combination of play, audience, theme, systems, and execution gives a plausible player a clear reason to choose your game or remember it.
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That reason has to be player-facing. “It has a different setting” may describe a difference, but it does not explain what someone will do, feel, or understand differently while playing. “It is a strategy game” identifies a broad category, not a distinction. A stronger concept connects a recognizable experience to a concrete change in play: a player who enjoys a certain kind of challenge gets a meaningfully different way to make decisions, cooperate, compete, explore, or progress.
Distinctiveness is only one part of the decision. A compelling hook may be difficult to build, unclear to its intended audience, or costly to produce. Conversely, an idea that sounds familiar in a sentence may become distinctive through its systems and execution. Assess the idea as a set of testable assumptions, not as a contest to be first.
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Describe the playable promise before judging it
Write a short description of the experience you intend to deliver. Make it specific enough that another person can picture a player doing something, rather than just reading a mood, setting, or feature list. A useful concept outline answers these questions:
- Who is the intended player? Describe the kind of player or play preference, not “everyone.”
- What does the player do repeatedly? Name the central actions and decisions.
- What is the player trying to achieve? Explain the objective or source of motivation.
- What experience should those actions create? For example, tension, mastery, discovery, social coordination, or a particular kind of strategic choice.
- What part is intended to be different? Identify the mechanic, system, structure, interaction, or combination that is meant to shape that experience.
These questions help separate the game’s playable promise from its presentation. A setting, story, visual style, or premise can matter greatly, but ask how it changes the player’s experience. If removing the theme leaves the same decisions and feelings, the theme may be attractive but may not yet be the distinctive core. If the setting changes what players notice, risk, or choose, it may be doing mechanical work as well as atmospheric work.
A pitch outline can also record the feature list, setting and story, target audience, requirements, schedule, staffing, and estimated budget. The UK HM Revenue & Customs manual discusses these as elements often outlined in a game pitch. Treat that list as a planning aid, not a required format; the manual’s purpose is UK tax guidance, not a universal standard for evaluating creative ideas.
Find the games your idea is actually close to
Research the nearest comparisons before calling an idea unique or deciding there is no competition. Search beyond games with the same genre label. Two games can attract similar players while using different mechanics; two games can share a mechanic but create different motivations or experiences. Include comparisons that overlap in any of these dimensions:
- Player activity: What does the player do repeatedly?
- Mechanics and systems: What rules, resources, controls, or interactions shape those actions?
- Motivation and audience: What kind of player desire does the game serve, and who appears likely to enjoy it?
- Theme and presentation: What world, tone, visual language, or story does it offer?
- Structure and context: How is play organized, and what kinds of sessions or social situations does it support?
For each relevant game, record the overlap and the gap. Do not stop at surface similarities such as “both are set in space” or “both use cards.” Ask what players actually do, which choices matter, what creates tension or satisfaction, and what experience the game seems to promise. This is the kind of market research and competitor analysis addressed in GDC’s 2020 session Pre-Marketing Marketing: A Guide to Games Market and Competitor Research, presented by Victoria Tran of Kitfox Games and Dana Trebella of Spoke and Wheel Strategy.
A compact comparison table can expose whether your difference is meaningful or merely descriptive:
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| Question | What to record | Warning sign |
|---|---|---|
| What does the player do? | The recurring actions and decisions in your idea and its closest comparisons. | The claimed difference is only a genre, setting, or feature label. |
| What does the player experience? | The motivation, tension, challenge, or social interaction created by those actions. | You can name different ingredients but not a different experience. |
| Who might care? | The players most likely to notice and value the difference. | The audience is described as everyone, or only as people who already agree with you. |
| What remains untested? | The assumptions about comprehension, appeal, feasibility, or production. | The pitch is treated as evidence that the game works. |
Not finding an obvious close match is not evidence that demand exists. It may mean your search needs a wider net, or that the concept is hard to explain in terms players recognize. It can also mean the idea has an unusual combination worth testing. Market research informs positioning; it cannot guarantee sales.
State the difference in terms a player can recognize
After comparing nearby games, try to express the distinction in one plain sentence. One useful working pattern is: “Players who enjoy [a familiar experience] will get [a specific different experience] because [a mechanic, system, or structure].” This is a thinking tool, not a validated formula or an industry standard.
For example, a vague statement such as “a fresh fantasy adventure” does not identify what changes in play. A more useful draft would identify the familiar appeal, the particular difference, and the system responsible for it. The point is not to make the sentence sound like marketing copy. It is to find out whether you can name a concrete reason for the game to exist.
Check the sentence against these tests:
- Can you point to the difference in play? If the answer depends only on adjectives such as “innovative” or “immersive,” specify the action, choice, or system that creates that quality.
- Can a player notice it? A difference that exists only in internal design notes will not help someone understand the experience.
- Does it distinguish the game from close comparisons? If the sentence fits many games unchanged, sharpen it or acknowledge that the distinction lies elsewhere.
- Can you demonstrate it? If you cannot make a small test in which the difference is experienced, identify what needs to be clarified before investing further.
If several people interpret the sentence in incompatible ways, that is useful information. You may be describing an intention rather than a playable promise. Revise the idea or the explanation until the key action and intended experience are clear enough to test.
Decide who the distinction is for
A difference matters only if it matters to somebody. Name the likely audience in terms that help you decide what to build and test: the kinds of games they already enjoy, the play preferences they bring, and what they may value in the proposed difference. Avoid defining the audience so broadly that it cannot guide a design decision.
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Then ask what evidence would make your audience assumption more credible. A friend’s praise can point to a question worth exploring, but it is not proof of wider demand. Personal excitement is a reason to develop the idea, not a substitute for learning how other players understand it. Similarly, a lack of visible competitors does not establish an open market. The GDC session Pre-Marketing Marketing focuses on using market research, competitor analysis, and positioning to assess an idea; that process reduces uncertainty but does not predict a guaranteed commercial outcome.
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Look for a legible connection between the proposed difference and the people you hope to reach. If you cannot say why that audience might notice the distinction, you may need to revisit either the audience or the feature. If the audience understands the feature but does not care about it, the concept may need a different promise. Those are separate problems: clarity is about whether people understand the idea; relevance is about whether the understood idea appeals to them.
Check whether the defining feature can be made
A distinctive feature has to survive contact with production. Before committing to a large project, identify what the feature requires and which constraints could change it. Consider:
- Technical risk: Does it depend on technology, behavior, or interactions the team has not established as possible?
- Design risk: Could the feature make the game confusing, unbalanced, repetitive, or less enjoyable in practice?
- Staffing: Are the skills needed to build and refine it available to the team?
- Schedule: Can the defining experience be implemented and tested within the time available?
- Budget and scope: What other work must be reduced or funded to deliver it?
HM Revenue & Customs’ UK manual notes that gameplay may contribute to a game’s distinctive selling point and that programmers may help investigate whether an aspect is possible and how it affects gameplay. This is a useful example of bringing technical and design questions into concept evaluation, not a general tax rule or a guarantee that a technically possible feature is a good investment.
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When a feature is uncertain, break the question into a small investigation. A programmer might explore whether a required interaction is technically feasible; a designer might test whether players can understand the rule; a producer might estimate the staffing and schedule implications. Do not assume that a promising pitch makes these uncertainties disappear. If the defining feature requires resources beyond the team’s plausible capacity, consider whether it can be simplified without losing the player-facing distinction.
Prototype the central uncertainty, not the whole game
A prototype is useful when it makes an important assumption observable. Build the smallest thing that lets someone experience the defining mechanic or promise. It can be a paper simulation, a simple digital test, or another focused representation. It does not need finished art, a complete story, every feature, or production-ready code unless one of those elements is itself the question being tested.
Use a paper test when the question is about rules or decisions
Drawings, tokens, cards, pieces, a whiteboard, or simple markings can stand in for a game’s components. A paper version can help explore turn structure, resource trade-offs, information, cooperation, competition, and whether the central decision is interesting. It is particularly useful when you need to change rules quickly or compare alternatives without building a software system around them.
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Use a digital test when the question depends on interaction
An engine prototype can be more appropriate when the uncertainty concerns movement, timing, controls, physical feel, interface behavior, or another quality that paper cannot represent. Keep its scope tied to the question. A polished interface does not answer whether the underlying mechanic is distinct, and a rough test may be enough to discover whether the intended interaction is understandable.
Separate concept testing from iterating on a chosen idea
There are two related but different activities: making several small prototypes to decide which idea is worth pursuing, and repeatedly improving a prototype after selecting a direction. Alexander Zook and Mark O. Riedl distinguish test prototypes used to explore whether an idea is worth pursuing from iterative development of an already selected idea. That distinction helps keep an early experiment from quietly turning into a commitment to build a full game.
In their study of the 2013 Global Game Jam, Zook and Riedl report that 419 of 16,705 registered participants answered at least one survey question. In categorized responses, 127 of 241 responses mentioned some form of prototyping; the paper separately reports 22 paper-prototyping and 92 engine-prototyping responses. These are figures from that study’s survey, not estimates of how game developers generally work. The authors note that the response totals and survey structure limit generalization.
The same study reports that, among 93 responses describing approaches, 67 described iteratively building on a simple prototype and 26 described quickly testing multiple prototypes before development. Those counts illustrate the difference between refining a selected idea and trying alternatives; they do not establish that one approach is better for every project. Kellee Santiago’s GDC session Prototyping for Innovation: How to Prototype Effectively also describes prototyping and iterative design as applicable to both conventional and unusual ideas.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Observe play and revise the idea
Show the prototype to people who can engage with the test, and observe what they do before explaining what they are supposed to notice. The purpose is not to collect a vote on whether the idea is good. It is to learn whether the key promise appears in play and what needs to change.
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- Give only the instructions needed to begin. If the concept requires a long explanation, note what the prototype fails to communicate. Do not mistake your explanation for a clear design.
- Watch behavior. Notice whether players engage with the defining mechanic, understand the goal, and make the choices the design expects. Record confusion and unexpected strategies without immediately correcting them.
- Ask focused questions afterward. Ask what they thought the goal was, which choices mattered, what they remember, and which parts felt familiar or different. Avoid leading them toward the answer you want.
- Change one important assumption at a time. Revise the rule, feature, or explanation connected to the evidence, then test again if the question remains important.
The 2013 Global Game Jam study describes mechanics and features being refined through personal or outside playtesting and feedback. Feedback is evidence to interpret, not a mechanical vote. A player may misunderstand an explanation but enjoy the play once they understand it; another may understand a feature clearly and still find it unappealing. Separate those outcomes before deciding what to change.
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Compare candidate ideas without inventing a score
If you are choosing among concepts, compare them on the same practical dimensions. This is a decision aid, not a validated scoring rubric; a numerical total can imply certainty that the evidence does not support.
| Dimension | Ask | Useful evidence |
|---|---|---|
| Player-facing distinction | Can you explain what a player will experience differently? | A concise description tied to actions, decisions, or a system. |
| Relationship to existing games | What is familiar, and what is actually different from close comparisons? | Notes on comparable play, motivation, mechanics, theme, and presentation. |
| Audience and positioning | Who is likely to notice the difference, and why might it matter to them? | Audience assumptions and observations from research or playtests. |
| Feasibility | Can this team test and develop the key feature within realistic staffing, schedule, and budget constraints? | A focused technical or production investigation. |
| Prototype evidence | Does the test express the promise, and what did player behavior reveal? | Observed comprehension, engagement, confusion, and responses to the experience. |
GDC sessions on market research and commercial greenlighting address positioning, commercial uncertainty, and budget considerations; the HMRC manual provides concept and feasibility context; the Global Game Jam study describes prototype and feedback practices. Taken together, these sources support asking the questions in the table, not assigning universal weights or declaring a winning idea by formula.
Choose a bounded next step
Continue investigating when the distinction is clear enough to explain, relevant to a plausible audience, feasible enough for the team to explore, and testable at a manageable scale. “Continue” should mean a specific next action—such as a competitor-research task, a technical experiment, or another prototype—not an automatic commitment to build the full game.
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Commercial success remains a separate uncertainty. Adam Saltsman’s GDC session Deciding What to Make: A Greenlight Process for Commercial Indies frames commercial greenlighting as hedging risk rather than guaranteeing financial success, and notes that making an original game and selling it are different challenges. The reviewed sources provide no current market-size figure, sales threshold, or predictive originality score that can establish whether a particular game idea will succeed. Use competitor research to improve your positioning, and use a prototype to test a design question; neither is a sales guarantee.
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