ATLAS / IDEAS Game design atlas Find a mechanism, understand its tradeoffs and smallest useful scope, then build your game with a design card and sample project.
192 Mechanisms32 Mechanism domain48 Art styles12 Genre guides
All252 Mechanisms192 Art styles48 Genre guides12 Core loop 01 Locate the target tile02 Route the vacancy03 Slide a neighbor04 Recheck local orderSpatial and path puzzles One rule
Displace a correct tile temporarily to make room for the target's turn?
Reference games Fifteen · Sixteen
Core loop 01 Read edge connections02 Select a tile03 Rotate and inspect04 Lock confirmed piecesSpatial and path puzzles One rule
Lock edge orientations first or connect the center to reduce uncertainty?
Reference games Net · Twiddle
Core loop 01 Choose entry drop02 Orient the exit03 Traverse and inspect04 Adjust geometrySpatial and path puzzles Linked states
Change exit angle or increase the drop before entry to gain range?
Reference games Portal · Portal 2
Core loop 01 Read current and next pieces02 Choose orientation and landing03 Lock and clear04 Plan remaining spaceMatching and merging One rule
Clear a row now or preserve a well for a better upcoming piece?
Reference games Tetris® Effect: Connected · Puyo Puyo™Tetris®
Core loop 01 Preview a group02 Predict collapse03 Remove it04 Inspect new groups and singlesMatching and merging One rule
Take the large group now or remove a small group to join separated colors?
Reference games Same Game · Puyo Puyo™Tetris®
Core loop 01 Read the frontier02 Choose a color03 Merge neighbors04 Plan remaining movesMatching and merging One rule
Absorb the largest nearby patch or take a small corridor toward a distant region?
Reference games Flood · KAMI
Core loop 01 Read revealed hazards02 Draw or stop03 Update provisional rewards04 Bank or loseCards and dice One rule
Risk another reveal as visible hazards accumulate?
Reference games Port Royal · Incan Gold
Core loop 01 Read the next threat02 Play cards03 Mark retained cards04 Draw within capacityCards and dice One rule
Keep future defense or make room for fresh offense?
Reference games Slay the Spire · Gloomhaven
Core loop 01 Compare card effects02 Choose a build03 Select payment cards04 Resolve ability and handCards and dice One rule
Spend a strong future card to activate production now?
Reference games Race for the Galaxy · Port Royal
Core loop 01 Predict a route02 Set an overwatch arc03 Advance enemies04 Resolve triggers and chargesTurns and tactics One rule
Shoot a weak target now or watch the next choke point?
Reference games XCOM 2 · Gears Tactics
Core loop 01 Read attack directions02 Preview lines from a move03 Choose a position04 Resolve protection on both sidesTurns and tactics One rule
Fire safely with poor odds or spend movement to flank and expose yourself?
Reference games XCOM 2 · Gears Tactics
Core loop 01 Read the budget02 Preview costs03 Execute one action04 Recompute legal optionsTurns and tactics One rule
Spend movement for a better position or save points for two actions?
Reference games Gears Tactics · XCOM 2
Core loop 01 Read resistances02 Choose damage types03 Inspect effective damage04 Fill a matchup gapDefense and waves One rule
Upgrade raw damage or add a tower that counters the next wave?
Reference games Kingdom Rush Battles · Dungeon Defenders
Core loop 01 Inspect damage02 Compare costs03 Allocate repair/building04 Observe next-wave attritionDefense and waves One rule
Restore a weak barrier or trust a new turret to clear enemies before it breaks?
Reference games Dungeon Defenders: Awakened · Mindustry
Core loop 01 Read spacing02 Choose impact or placement03 Resolve targets in radius04 Compare damage and leaksDefense and waves One rule
Hit the dangerous leader or center the blast on more targets?
Reference games Mindustry · Dungeon Defenders
Core loop 01 Read weight and utility02 Choose cargo03 Preview travel cost04 Settle on arrivalInventory and loadouts One rule
Carry valuable ore or preserve tools and food needed to return?
Reference games The Elder Scrolls V: Skyrim · Death Stranding
Core loop 01 Read route needs02 Assign slots03 Use tools in context04 Review missing preparationInventory and loadouts One rule
Equip a recovery item or reserve a slot for a special obstacle?
Reference games Minecraft · Elden Ring
Core loop 01 Read the base skill02 Preview compatible modules03 Install and try04 Compare behavior and costInventory and loadouts One rule
Split a projectile for coverage or preserve single-target power?
Reference games Path of Exile · Diablo III
Covers are original AI-generated style illustrations. Game names reference publicly visible design choices and remain the property of their owners. This atlas does not supply screenshots or assets from those games. Prompts and combinations are original drafts for new games.