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Game in the Brain Wiki
Welcome to Game in the Brain wiki — documenting knowledge, projects, and research.
This wiki contains comprehensive resources for tabletop RPGs, open source software, and worldbuilding projects.
Quick Navigation
| Section | Pages | Description |
|---|---|---|
| Game Projects | 26+ chapters | Complete Cepheus Engine RPG ruleset with Mneme variants |
| Under Heaven | Worldbuilding | Default setting — humanity's path to interstellar civilization |
| Open Source | Tutorials | Setup guides and configuration notes |
| Repositories | Projects | GitHub, GitLab, and Forgejo repositories |
| Research | Technology | Open source leads and technologies to explore |
| Help | Documentation | How to use this wiki |
Featured Content: Mneme Cepheus Engine
Our most comprehensive project — a complete Cepheus Engine ruleset with Mneme variant quick fixes.
Complete Rules Reference (15,125+ Lines)
| Category | Chapters | Lines | Key Features |
|---|---|---|---|
| Core Rules | 7 | 7,060 | Character creation, skills, psionics, equipment, travel, trade, ship design |
| Combat Rules | 10 | 4,880 | Personal combat system with streamlined mechanics |
| Space Combat | 9 | 3,185 | Ship-to-ship combat with crew functions |
| Total | 26 | 15,125+ | Complete RPG reference |
- Individual Chapter Sizes
- Chapter 1 (Character Creation): 974 lines (56KB)
- Chapter 2 (Skills): 809 lines (36KB) — includes Space Combat skill clarifications
- Chapter 3 (Psionics): 902 lines (32KB)
- Chapter 4 (Equipment): 2,474 lines (80KB)
- Chapter 6 (Off-World Travel): 490 lines (28KB)
- Chapter 7 (Trade & Commerce): 216 lines (12KB)
- Chapter 8 (Ship Design): 1,195 lines (84KB) — includes 23 sample ships
Core Rules (Chapters 1-4, 6-8)
- Chapter 1: Character Creation — Character generation, careers, aging, mustering (10 tables)
- Chapter 2: Skills — Skill check mechanics, complete skill list, Space Combat skill clarifications
- Chapter 3: Psionics — Psionic talents, powers, training rules
- Chapter 4: Equipment — Technology levels, weapons, armor, gear, vehicles (21 tables)
- Chapter 6: Off-World Travel — Interplanetary/interstellar travel, Jump mechanics, ship operations
- Chapter 7: Trade and Commerce — Speculative trade, pricing, brokers
- Chapter 8: Ship Design and Construction — Complete ship building rules, 23 sample ships, small craft
Combat Rules (10 Chapters)
Streamlined variant combat system (One Roll per Turn)
- Mneme CE Combat Rules — Main index
- Chapter 1: Introduction — Design philosophy and benefits
- Chapter 2: Core Mechanics — Task resolution, Effects, Difficulty
- Chapter 3: Dice Mechanics — Modifiers, Advantage/Disadvantage
- Chapter 4: Running Combat — Narrative combat techniques
- Chapter 5: Conditions — Awareness, Terrain, Visibility
- Chapter 6: Actions — Action types and economy
- Chapter 7: Outcomes — Damage and resolution
- Chapter 8: Character Conditions — Health and mental states
- Chapter 9: Equipment — Combat gear and traits
- Chapter 10: Quick Characters — Sample NPCs
Space Combat (9 Chapters)
Ship-to-ship combat using standard skills
- Space Combat Main Page — Quick reference and chapter index
- Chapter 1: Introduction — Overview, key features, superiority system
- Chapter 2: Ship Design — Hulls, drives, components, weapons, sensors
- Chapter 3: Crew Functions — Captain, NavComm, Engineer, Pilot, Gunner roles
- Chapter 4: Combat Mechanics — Initiative, phases, turns, action types, ranges
- Chapter 5: Actions — Detailed actions for all crew functions
- Chapter 6: Reactions — All reaction types and preparation mechanics
- Chapter 7: Damage and Morale — HP, damage states, crew damage, morale
- Chapter 8: Definitions and Tables — Complete reference tables
- Chapter 9: Sample Ships — 10 detailed ship stat blocks
Ship Design Tools
- CE Ships Spreadsheet — Ship statistics and customization tool
- Spreadsheet: GI7B EXTERNAL RAW CE SHIPS 231024-06 240930.xlsx
- Simple 1-page version for easy copy-pasting during gameplay
- Detailed version for parameter modification and ship customization
Sample Ships
| Ship Name | Tonnage | Thrust | Jump | Cost (MCr) | Crew | Role |
|---|---|---|---|---|---|---|
| Hull Code-1 (Merchant) | 100 DT | Thrust-4 | J-1 | 54.7 | 3 | Transport/Cargo |
| Sample Scout | 100 DT | Thrust-2 | J-2 | 24.3 | 1-2 | Exploration |
| Sample Courier | 200 DT | Thrust-3 | J-3 | 45.8 | 2-4 | Fast Transport |
Other Wiki Sections
The default Game in the Brain setting — humanity's path from an Earth-bound civilization to an interstellar one.
Setup guides, configuration notes, and walkthroughs for open source tools and self-hosted software.
GitHub, GitLab, and Forgejo projects.
Open source leads — technologies to explore and learn.
How to create pages, link content, and navigate the wiki.