| name | gd-design-mechanic |
| description | Game mechanics documentation and design. Use when designing core gameplay systems, documenting player actions and responses, balancing game systems, or explaining mechanics to developers. Use when this capability is needed. |
| metadata | {"author":"feliperyba"} |
Game Mechanics Design
Mechanics Documentation Template
For each mechanic, document:
## [Mechanic Name]
### Description
[What the mechanic does in plain language]
### Purpose
[Why this mechanic exists - what player fantasy it fulfills]
### Trigger
[What causes this mechanic to activate]
### Input
[Player controls required]
- Primary: [input]
- Alternative: [input]
### Process
[Step-by-step of what happens]
### Output
[Result of the mechanic]
### Feedback
[Visual/audio cues to player]
- Visual: [what player sees]
- Audio: [what player hears]
- Haptic: [touch feedback]
### Edge Cases
[What happens in unusual situations]
- Edge case 1: [handling]
- Edge case 2: [handling]
### Balance Considerations
[How to keep this fair and fun]
- Tuning lever 1: [description]
- Tuning lever 2: [description]
### Dependencies
- Requires: [other mechanics/systems]
- Blocks: [what this prevents]
Core Mechanics Categories
Movement
Player locomotion through the game world.
Consider:
- Ground movement (walk, run, crouch, crawl)
- Aerial movement (jump, double jump, glide, fly)
- Swimming/water movement
- Climbing/vaulting
- Teleportation
- Speed curves and acceleration
Combat
Player vs player or player vs environment conflict.
Consider:
- Attack types (melee, ranged, magic)
- Damage calculation
- Hit detection
- Defense/blocking
- Hit points and damage
- Death/respawn
Interaction
How players manipulate objects and the world.
Consider:
- Pick up/drop items
- Use consumables
- Open doors/containers
- Activate switches/levers
- Talk to NPCs
- Craft items
Progression
How players advance and grow.
Consider:
- Experience points
- Leveling up
- Skill unlocks
- Stat increases
- Equipment acquisition
- Currency earning
Economy
How resources flow through the game.
Consider:
- Currency types
- Earning methods (faucets)
- Spending methods (sinks)
- Trading between players
- Vendor transactions
Mechanics Design Principles
Clarity
Mechanics should be:
- Discoverable - Players can learn through play
- Consistent - Same inputs produce same outputs
- Predictable - Experienced players can plan ahead
Depth
Mechanics should have:
- Skill ceiling - Room for mastery
- Counterplay - No unbeatable strategies
- Variety - Multiple valid approaches
Fairness
Mechanics should be:
- Balanced - No overpowered options
- Transparent - Rules are visible
- Forgiving - Mistakes aren't catastrophic
Common Mechanics Patterns
Rock-Paper-Scissors
Each option has a counter:
A beats B
B beats C
C beats A
Risk/Reward
Higher risk = higher potential reward:
Safe action → Low reward
Risky action → High reward
Resource Management
Limited resources force choices:
Resource pool → Action → Depletion
Regeneration method → Renewal
Progression Gates
Content unlocks over time:
Requirement → Unlock → New content
Balance Documentation
For each mechanic, document balance considerations:
Tuning Levers
Variables that can be adjusted:
| Lever | Current | Range | Effect |
|---|
| [Name] | [Value] | [Min-Max] | [Impact] |
Counterplay
What beats this mechanic:
| Situation | Counter | Why It Works |
|---|
| [Scenario] | [Counter-strategy] | [Reasoning] |
Mechanics Review Checklist
Before finalizing a mechanic:
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