🏯🌍 Rekiden – A ChatGPT-Powered Historical Simulation Framework
Rekiden is a text-based, open-source simulation framework that lets you
relive — and reshape — turning points in history.
You take the role of a warlord, a national leader, or a scientist, making critical decisions at key historical crossroads.
The outcomes depend on your strategy and choices.
🔗 Official Links
| Language | GitHub Pages 🌐 | GitHub 💻 |
|---|---|---|
| 🇺🇸 English |  |
 |
| 🇯🇵 Japanese |  |
 |
🎯 Project Overview
| Item | Details |
|---|---|
| Genre | Historical Simulation / Strategy (Text-based) |
| Format | Markdown-based branching scenarios |
| Eras Covered | 🏯 Sengoku Period (1555–1615) – Fully implemented 🌍 WWII (1939–1945) – 5 routes completed (Ver. 1.0) |
| Goals | Learn and explore alternative history through interactive simulation with AI. Combine strategic thinking, ethical dilemmas, and narrative generation into a single educational tool. |
🎮 How to Play with ChatGPT
- Paste any
.mdscenario into ChatGPT - Choose a playable character (e.g., Uesugi Kenshin, Roosevelt, Oppenheimer)
- Enter choices each turn (“Negotiate,” “Attack,” “Develop Technology,” etc.)
- ChatGPT acts as Game Master, Narrator, and Simulation Engine
🏯 Sengoku Period Scenarios (1555–1614)
| Year | Factions / Key Figures | Title | File |
|---|---|---|---|
| 1555 | Imagawa Yoshimoto, Takeda Shingen, Hōjō Ujiyasu | The Tripartite Alliance | 1555_sangoku_alliance_en.md |
| 1561 | Takeda Shingen vs Uesugi Kenshin | Battle of Kawanakajima | 1561_kawanakajima_en.md |
| 1575 | Oda Nobunaga & Tokugawa Ieyasu vs Takeda Katsuyori | Battle of Nagashino | 1575_nagashino_en.md |
| 1582 | Akechi Mitsuhide vs Hashiba Hideyoshi | The Great Return from Chūgoku | 1582-2_chugoku_ogaeshi_en.md |
| 1600 | Uesugi Kagekatsu (IF) vs Tokugawa Ieyasu | Righteous Rule (Uesugi IF) | 1600_uesugi_if_en.md |
| 1614 | Sanada Yukimura vs Tokugawa Hidetada | Siege of Osaka | 1614_osaka_campaign_en.md |
▶︎ Intro to the Sengoku Period
🌍 World War II Scenarios (1939–1945)
Allies 🇬🇧 🇺🇸 🇫🇷 vs. Axis 🇩🇪 🇮🇹 🇯🇵
| Year | Nation | Player | Title | File |
|---|---|---|---|---|
| 1941 | 🇯🇵 Japan | Yamamoto | Pearl Harbor & Midway Strategy | yamamoto_navy_en.md |
| 1941 | 🇺🇸 USA | Roosevelt | Total War & Alliance Building | roosevelt_strategy_en.md |
| 1945 | 🇺🇸 USA | Oppenheimer | Ethics of Atomic Bomb Development | oppenheimer_ethics_en.md |
| 1942 | 🇺🇸 USA | MacArthur | Pacific Front & Philippine Campaign | macarthur_pacific_en.md |
| 1939 | 🇩🇪 Germany | Hitler | Invasion of Poland & Diplomatic Crisis | hitler_politics_en.md |
🐉 Special Scenario – The Sleeping Dragon Awakens: Battle of Red Cliffs (AD 208)
A non-interactive literary scenario featuring Zhuge Liang.
Written in English with Traditional Chinese elements.
▶︎ Read Scenario
🧪 Sample Play Logs
✅ Project Status
| Feature | Status |
|---|---|
| Sengoku scenarios (JP) | ✅ Done |
| WWII scenarios (JP/EN) | ✅ Done |
| English scenario support | ✅ Ongoing |
| Future simulations | ❌ Removed |
| Streamlit GUI | 🔜 Planned |
| Save/Resume (Markdown+JSON) | 🔜 Planned |
📜 License
MIT License © 2025 Shinichi Samizo
See LICENSE for details.
👤 Author
Shinichi Samizo
Semiconductors × Control × AI × History — Integrated Creator
| Expertise | Semiconductor Device Technology (CMOS Logic / Memory / Integration) Control Theory (Robust) AI Applications & Educational Design Historical Scenario Creation (Sengoku, WWII, Three Kingdoms) |
|---|---|
| shin3t72@gmail.com | |
| X (Twitter) | https://x.com/shin3t72 |
| Web | https://samizo-aitl.github.io/ |
💡 Rekiden bridges the “what-if” of history and technology,
providing a stage to learn, strategize, and create — all at once.
Rekiden is where strategy meets storytelling.
History is not fixed — rewrite it.
💬 Feedback and Discussion
We welcome your feedback, ideas, and suggestions for the Rekiden project.
Whether you’re interested in educational use, historical storytelling, or alternative battle strategies — your input helps shape the future of this simulation.
👉 Join the discussion on GitHub Discussions
🖼 Uesugi Kenshin – Battle of Kawanakajima (1561)
A dynamic depiction of young Uesugi Kenshin charging into battle on horseback,
captured in a realistic oil painting style.