Skip to main content

​
Overview

The Game Development skill is an orchestrator that provides core game development principles and routes to specialized sub-skills based on platform, dimension, and specialty area. It teaches fundamental patterns applicable across all game types.

​
What This Skill Provides

  • Game loop fundamentals: Input → Update → Render pattern with fixed timestep
  • Pattern selection: State machines, object pooling, ECS, behavior trees
  • Input abstraction: Platform-independent action mapping
  • Performance budgeting: 60 FPS frame budget allocation (16.67ms)
  • AI selection: FSM, behavior trees, GOAP, utility AI by complexity
  • Collision strategies: AABB, circle, spatial hash, quadtree
  • Sub-skill routing: Directs to web, mobile, PC, VR/AR, 2D, 3D, multiplayer, etc.
  • Universal anti-patterns: Common mistakes across all platforms

​
Sub-Skills

The skill routes to specialized sub-skills:

​
By Platform

  • web-games: HTML5, WebGL browser games
  • mobile-games: iOS, Android mobile games
  • pc-games: Steam, desktop games
  • vr-ar: VR/AR headset games

​
By Dimension

  • 2d-games: Sprites, tilemaps, 2D physics
  • 3d-games: Meshes, shaders, 3D rendering

​
By Specialty

  • game-design: GDD, balancing, player psychology
  • multiplayer: Networking, client-server architecture
  • game-art: Visual style, asset pipeline, animation
  • game-audio: Sound design, music, adaptive audio

​
Use Cases

  • Building web-based browser games
  • Creating mobile games for iOS and Android
  • Developing PC games for Steam or desktop
  • Implementing VR/AR experiences
  • Designing game mechanics and balance
  • Adding multiplayer networking
  • Optimizing game performance for 60 FPS

​
Which Agents Use This Skill

This skill is commonly used by:
  • Game developers across all platforms
  • Technical game designers implementing mechanics
  • Graphics programmers optimizing rendering
  • Gameplay programmers building game systems

​
Key Principles

​
The Game Loop

Every game, regardless of platform, follows this pattern: 
INPUT  → Read player actions
UPDATE → Process game logic (fixed timestep)
RENDER → Draw the frame (interpolated)
Fixed Timestep Rule:
  • Physics/logic: Fixed rate (e.g., 50Hz)
  • Rendering: As fast as possible
  • Interpolate between states for smooth visuals

​
Pattern Selection Matrix

PatternUse WhenExample
State Machine3-5 discrete statesPlayer: Idle→Walk→Jump
Object PoolingFrequent spawn/destroyBullets, particles
Observer/EventsCross-system communicationHealth→UI updates
ECSThousands of similar entitiesRTS units, particles
CommandUndo, replay, networkingInput recording
Behavior TreeComplex AI decisionsEnemy AI

​
Performance Budget (60 FPS = 16.67ms)

SystemBudget
Input1ms
Physics3ms
AI2ms
Game Logic4ms
Rendering5ms
Buffer1.67ms

​
Optimization Priority

  1. Algorithm (O(n²) → O(n log n))
  2. Batching (reduce draw calls)
  3. Pooling (avoid GC spikes)
  4. LOD (detail by distance)
  5. Culling (skip invisible)

​
Input Abstraction

Abstract input into ACTIONS, not raw keys: 
"jump"  → Space, Gamepad A, Touch tap
"move"  → WASD, Left stick, Virtual joystick
Enables multi-platform, rebindable controls.

​
AI Selection by Complexity

AI TypeComplexityUse When
FSMSimple3-5 states, predictable behavior
Behavior TreeMediumModular, designer-friendly
GOAPHighEmergent, planning-based
Utility AIHighScoring-based decisions

​
Collision Strategy

TypeBest For
AABBRectangles, fast checks
CircleRound objects, cheap
Spatial HashMany similar-sized objects
QuadtreeLarge worlds, varying sizes

​
Anti-Patterns

Don’tDo
Update everything every frameUse events, dirty flags
Create objects in hot loopsObject pooling
Cache nothingCache references
Optimize without profilingProfile first
Mix input with logicAbstract input layer

​
Routing Examples

​
Browser-based 2D platformer

  1. Start with game-development/web-games for framework selection
  2. Then game-development/2d-games for sprite/tilemap patterns
  3. Reference game-development/game-design for level design

​
Mobile puzzle game

  1. Start with game-development/mobile-games for touch input and stores
  2. Use game-development/game-design for puzzle balancing

​
Multiplayer VR shooter

  1. game-development/vr-ar for comfort and immersion
  2. game-development/3d-games for rendering
  3. game-development/multiplayer for networking

​
Remember

Great games come from iteration, not perfection. Prototype fast, then polish.

Build docs developers (and LLMs) love

Get started for freeTalk to us