vudovn/antigravity-kit
Overview
This skill teaches practical game design principles for creating engaging, repeatable experiences. It covers core loop design, GDD structure, player psychology, balancing, progression, and common anti-patterns. The guidance is concise and action-oriented to help designers move from idea to playable prototype quickly.
How this skill works
The skill inspects a game's core 30-second loop, documents essential GDD sections, and evaluates progression and reward systems against player motivation types. It highlights difficulty balancing strategies and anti-patterns, offering concrete fixes like dynamic difficulty, selection options, and early-win pacing. Use it to iterate design decisions, prioritize prototyping, and align mechanics with intended player types.
When to use it
- When drafting a new game concept and defining the core loop
- When building or updating a Game Design Document (GDD)
- During early prototyping to validate fun and feedback loops
- When tuning difficulty, rewards, or progression pacing
- Before major polish to avoid costly design mistakes
Best practices
- Define a clear 30-second core loop: action → feedback → reward → repeat
- Keep the GDD living and focused: pitch, loop, mechanics, progression, art, audio
- Prototype before polishing; test mechanics with real players early
- Design rewards according to motivation types (achiever, explorer, socializer, killer)
- Balance for flow: provide early wins, gradual challenge, and rest beats
Example use cases
- Create a concise GDD for a mobile platformer with a single-screen core loop
- Tune enemy difficulty with dynamic adjustments to maintain player flow
- Design a loot system using variable reward schedules for retention
- Map progression types (skill, power, content, story) to level design
- Audit an existing game for anti-patterns like isolated design or over-punishment
FAQ
Start small: one-sentence pitch, the 30-second core loop, key mechanics, and progression. Iterate and expand as prototypes validate choices.
When should I use variable vs fixed rewards?
Use fixed rewards for predictable milestones and player satisfaction; use variable rewards sparingly to boost engagement and retention, balanced with fairness.
How do I know if difficulty is tuned well?
Track player retention and moment-to-moment failure rates. Aim for challenges that are solvable with effort and provide clear feedback—too many abrupt failures indicate imbalance.
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