From Game in the Brain Wiki
Game Projects
Tabletop and digital game projects — comprehensive RPG rulesets, procedural generators, and game frameworks.
This section contains 95 wiki pages organized into 4 major subsections, with the primary focus on the Mneme Cepheus Engine — a complete tabletop RPG ruleset with 26 chapters and 15,125+ lines of documentation.
Subsection Overview
1. CE Character Generator
- Description
- A character creation tool and complete rules reference for Cepheus Engine — the open-source SRD derivative of Classic Traveller. Implements streamlined Mneme variant rules for faster, more automated character generation and gameplay.
- Statistics
- 26 chapters | 15,125 lines | 561KB total
- Organization
- Three major rule systems covering core gameplay, personal combat, and space combat
1.1 Core Rules (Chapters 1-4, 6-8)
- Description
- Essential RPG rules covering character creation, skills, equipment, travel, and ship design. These chapters form the foundation of the Cepheus Engine system.
- Statistics
- 7 chapters | 7,060 lines | 328KB
- Chapter Index
| Chapter |
Title |
Lines |
Key Content
|
| 1 |
Mneme CE Chapter 1 Character Creation |
974 |
Character generation, careers, aging, mustering (10 tables)
|
| 2 |
Mneme CE Chapter 2 Skills |
809 |
Skill check mechanics, complete skill list, Space Combat skill clarifications
|
| 3 |
Mneme CE Chapter 3 Psionics |
902 |
Psionic talents, powers, training rules
|
| 4 |
Mneme CE Chapter 4 Equipment |
2,474 |
Technology levels, weapons, armor, gear, vehicles (21 tables)
|
| 6 |
Mneme CE Chapter 6 Off World Travel |
490 |
Interplanetary/interstellar travel, Jump mechanics, operations
|
| 7 |
Mneme CE Chapter 7 Trade and Commerce |
216 |
Speculative trade, pricing, brokers
|
| 8 |
Mneme CE Chapter 8 Ship Design |
1,195 |
Complete ship building rules, 23 sample ships, small craft
|
- Main Page
- Mneme Cepheus Engine Rules — Central index for all core rules with Mneme quick fixes summary
1.2 Combat Rules (10 Chapters)
- Description
- Streamlined variant combat system using the One Roll per Turn philosophy. Reduces mental overhead while maintaining tactical depth.
- Statistics
- 10 chapters | 4,880 lines | 141KB
- Chapter Index
| Chapter |
Title |
Lines |
Key Content
|
| 1 |
Mneme CE Combat Rules/Introduction |
80 |
Design philosophy, benefits of Mneme variant
|
| 2 |
Mneme CE Combat Rules/Core Mechanics |
180 |
One Roll per Turn, Task Resolution
|
| 3 |
Mneme CE Combat Rules/Dice Mechanics |
100 |
Modifiers, Difficulty, Advantage/Disadvantage
|
| 4 |
Mneme CE Combat Rules/Running Combat |
120 |
Narrative combat, 3 Key Factors
|
| 5 |
Mneme CE Combat Rules/Conditions |
150 |
Awareness, Terrain, Weather, Visibility
|
| 6 |
Mneme CE Combat Rules/Actions |
800 |
Action types, Movement, Reactions, Attack options
|
| 7 |
Mneme CE Combat Rules/Outcomes |
600 |
Damage mechanics, Success/Failure effects
|
| 8 |
Mneme CE Combat Rules/Character Conditions |
550 |
Health states, mental conditions, recovery
|
| 9 |
Mneme CE Combat Rules/Equipment |
1,200 |
Weapons, armor, equipment traits
|
| 10 |
Mneme CE Combat Rules/Quick Characters |
300 |
Sample NPCs, templates
|
- Main Page
- Mneme CE Combat Rules — Central index for combat system with quick reference tables
1.3 Space Combat (9 Chapters)
- Description
- Ship-to-ship combat using standard Cepheus Engine skills. Features crew functions, phases, and streamlined action economy.
- Statistics
- 9 chapters | 3,185 lines | 92KB
- Chapter Index
| Chapter |
Title |
Lines |
Key Content
|
| Main |
Main Page |
120 |
Quick reference, index
|
| 1 |
Introduction |
100 |
Overview, key features, superiority system
|
| 2 |
Ship Design |
250 |
Hulls, drives, components, weapons, sensors
|
| 3 |
Crew Functions |
200 |
Captain, NavComm, Engineer, Pilot, Gunner roles
|
| 4 |
Combat Mechanics |
300 |
Initiative, phases, turns, action types, ranges
|
| 5 |
Actions |
500 |
Detailed actions for all crew functions
|
| 6 |
Reactions |
300 |
All reaction types and preparation mechanics
|
| 7 |
Damage and Morale |
350 |
HP, damage states, crew damage, morale system
|
| 8 |
Definitions and Tables |
450 |
Complete reference tables
|
| 9 |
Sample Ships |
800 |
10 detailed ship stat blocks
|
- Main Page
- Mneme CE Space Combat — Central index for space combat rules
- Description
- Spreadsheets and tools for designing and customizing starships.
- Resources
1.5 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
|
- External Links
- GitHub — CE Character Generator
2. Mneme World Generator
- Description
- A procedural star system and world generator built as a Progressive Web App (PWA). Designed for tabletop sci-fi RPGs, it produces scientifically grounded systems using recursive logic and dice-based mechanics.
- Statistics
- 15+ pages | Active development, Draft 2.1 (260222)
- Philosophy
- Simulationist and modular: stellar formation, planetary placement, habitability, and civilisation development are each broken into separate procedural systems that feed into each other.
- Key Features
- Four-level hierarchy — Stars → Planets → Moons → Surface detail and artificial habitats
- Orbital stability — Mutual Hill Radius calculations and Rule of Five constraints
- Habitability waterfall — Multi-step algorithm evaluating mass, orbital position, composition, hazards
- Civilisation layer — Population, development, inequality modelling, technology level integration
- Wiki Index
- External Links
- GitHub — Mneme World Generator PWA
3. Traveller Character Generator
- Description
- Fork of an existing open-source Traveller character generator.
- Statistics
- 2 pages | Repository documentation
- Resources
4. Open PVE Card System (OPCS)
- Description
- An open-source, cooperative card game framework where players face scenarios they design instead of each other. Cards are proxy-friendly, scarcity-free, and skill-driven.
- Statistics
- 2+ pages | Draft version 0.1
- Philosophy
- Power comes from strategy, coordination, and accumulated consequences — not purchases, rarity, or power creep.
- Resources
Content Statistics Summary
Game Projects Complete Breakdown
| Subsection |
Sub-parts |
Chapters |
Total Lines |
Total Size
|
| CE Character Generator |
3 |
26 |
15,125 |
561KB
|
| ├─ Core Rules |
— |
7 |
7,060 |
328KB
|
| ├─ Combat Rules |
— |
10 |
4,880 |
141KB
|
| └─ Space Combat |
— |
9 |
3,185 |
92KB
|
| Mneme World Generator |
— |
— |
— |
—
|
| Traveller Character Generator |
— |
— |
— |
—
|
| Open PVE Card System |
— |
— |
— |
—
|
| Total |
— |
26+ |
15,125+ |
561KB+
|
External Links
