bmad-method-mcp
Version:
Breakthrough Method of Agile AI-driven Development with Enhanced MCP Integration
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YAML
workflow:
id: game-prototype
name: Game Prototype Development
description: Fast-track workflow for rapid game prototyping and concept validation. Optimized for game jams, proof-of-concept development, and quick iteration on game mechanics using Phaser 3 and TypeScript.
type: prototype
project_types:
- game-jam
- proof-of-concept
- mechanic-test
- technical-demo
- learning-project
- rapid-iteration
prototype_sequence:
- step: concept_definition
agent: game-designer
duration: 15-30 minutes
creates: concept-summary.md
notes: Quickly define core game concept, primary mechanic, and target experience. Focus on what makes this game unique and fun.
- step: rapid_design
agent: game-designer
duration: 30-60 minutes
creates: prototype-spec.md
requires: concept-summary.md
optional_steps:
- quick_brainstorming
- reference_research
notes: Create minimal but complete design specification. Focus on core mechanics, basic controls, and success/failure conditions.
- step: technical_planning
agent: game-developer
duration: 15-30 minutes
creates: prototype-architecture.md
requires: prototype-spec.md
notes: Define minimal technical implementation plan. Identify core Phaser 3 systems needed and performance constraints.
- step: implementation_stories
agent: game-sm
duration: 30-45 minutes
creates: prototype-stories/
requires: prototype-spec.md, prototype-architecture.md
notes: Create 3-5 focused implementation stories for core prototype features. Each story should be completable in 2-4 hours.
- step: iterative_development
agent: game-developer
duration: varies
implements: prototype-stories/
notes: Implement stories in priority order. Test frequently and adjust design based on what feels fun. Document discoveries.
workflow_end:
action: prototype_evaluation
notes: 'Prototype complete. Evaluate core mechanics, gather feedback, and decide next steps: iterate, expand, or archive.'
game_jam_sequence:
- step: jam_concept
agent: game-designer
duration: 10-15 minutes
creates: jam-concept.md
notes: Define game concept based on jam theme. One sentence core mechanic, basic controls, win condition.
- step: jam_implementation
agent: game-developer
duration: varies (jam timeline)
creates: working-prototype
requires: jam-concept.md
notes: Directly implement core mechanic. No formal stories - iterate rapidly on what's fun. Document major decisions.
jam_workflow_end:
action: jam_submission
notes: Submit to game jam. Capture lessons learned and consider post-jam development if concept shows promise.
flow_diagram: |
```mermaid
graph TD
A[Start: Prototype Project] --> B{Development Context?}
B -->|Standard Prototype| C[game-designer: concept-summary.md]
B -->|Game Jam| D[game-designer: jam-concept.md]
C --> E[game-designer: prototype-spec.md]
E --> F[game-developer: prototype-architecture.md]
F --> G[game-sm: create prototype stories]
G --> H[game-developer: iterative implementation]
H --> I[Prototype Evaluation]
D --> J[game-developer: direct implementation]
J --> K[Game Jam Submission]
E -.-> E1[Optional: quick brainstorming]
E -.-> E2[Optional: reference research]
style I fill:#90EE90
style K fill:#90EE90
style C fill:#FFE4B5
style E fill:#FFE4B5
style F fill:#FFE4B5
style G fill:#FFE4B5
style H fill:#FFE4B5
style D fill:#FFB6C1
style J fill:#FFB6C1
```
decision_guidance:
use_prototype_sequence_when:
- Learning new game development concepts
- Testing specific game mechanics
- Building portfolio pieces
- Have 1-7 days for development
- Need structured but fast development
- Want to validate game concepts before full development
use_game_jam_sequence_when:
- Participating in time-constrained game jams
- Have 24-72 hours total development time
- Want to experiment with wild or unusual concepts
- Learning through rapid iteration
- Building networking/portfolio presence
prototype_best_practices:
scope_management:
- Start with absolute minimum viable gameplay
- One core mechanic implemented well beats many mechanics poorly
- Focus on "game feel" over features
- Cut features ruthlessly to meet timeline
rapid_iteration:
- Test the game every 1-2 hours of development
- Ask "Is this fun?" frequently during development
- Be willing to pivot mechanics if they don't feel good
- Document what works and what doesn't
technical_efficiency:
- Use simple graphics (geometric shapes, basic sprites)
- Leverage Phaser 3's built-in systems heavily
- Avoid complex custom systems in prototypes
- Prioritize functional over polished
prototype_evaluation_criteria:
core_mechanic_validation:
- Is the primary mechanic engaging for 30+ seconds?
- Do players understand the mechanic without explanation?
- Does the mechanic have depth for extended play?
- Are there natural difficulty progression opportunities?
technical_feasibility:
- Does the prototype run at acceptable frame rates?
- Are there obvious technical blockers for expansion?
- Is the codebase clean enough for further development?
- Are performance targets realistic for full game?
player_experience:
- Do testers engage with the game voluntarily?
- What emotions does the game create in players?
- Are players asking for "just one more try"?
- What do players want to see added or changed?
post_prototype_options:
iterate_and_improve:
action: continue_prototyping
when: Core mechanic shows promise but needs refinement
next_steps: Create new prototype iteration focusing on identified improvements
expand_to_full_game:
action: transition_to_full_development
when: Prototype validates strong game concept
next_steps: Use game-dev-greenfield workflow to create full game design and architecture
pivot_concept:
action: new_prototype_direction
when: Current mechanic doesn't work but insights suggest new direction
next_steps: Apply learnings to new prototype concept
archive_and_learn:
action: document_learnings
when: Prototype doesn't work but provides valuable insights
next_steps: Document lessons learned and move to next prototype concept
time_boxing_guidance:
concept_phase: Maximum 30 minutes - if you can't explain the game simply, simplify it
design_phase: Maximum 1 hour - focus on core mechanics only
planning_phase: Maximum 30 minutes - identify critical path to playable prototype
implementation_phase: Time-boxed iterations - test every 2-4 hours of work
success_metrics:
development_velocity:
- Playable prototype in first day of development
- Core mechanic demonstrable within 4-6 hours of coding
- Major iteration cycles completed in 2-4 hour blocks
learning_objectives:
- Clear understanding of what makes the mechanic fun (or not)
- Technical feasibility assessment for full development
- Player reaction and engagement validation
- Design insights for future development
handoff_prompts:
concept_to_design: Game concept defined. Create minimal design specification focusing on core mechanics and player experience.
design_to_technical: Design specification ready. Create technical implementation plan for rapid prototyping.
technical_to_stories: Technical plan complete. Create focused implementation stories for prototype development.
stories_to_implementation: Stories ready. Begin iterative implementation with frequent playtesting and design validation.
prototype_to_evaluation: Prototype playable. Evaluate core mechanics, gather feedback, and determine next development steps.