An open-source transport simulation game based on Transport Tycoon Deluxe, extended with new features and multiplayer support.
triplea-game/triplea
Open-source turn-based strategy and board game engine in the style of Axis & Allies and Risk, with community-made maps and multiplayer.
Open-source alternative to:Axis & Allies
Risk
- Stars
- 1,593
- Forks
- 498
- Open issues
- 246
- Last commit
- 2 days ago
What is it?
TripleA is a fan-created, open-source strategy and board game engine that recreates Axis and Allies-style gameplay. It is written in Java and has been in development since 2002.
The game ships with a wide range of community-created maps and scenarios, from World War II campaigns to historical settings such as Napoleon's march across Europe and fantasy worlds like Middle Earth. Players can start single-player games against the built-in AI or join live multiplayer games through an active lobby.
The project is licensed under GPL-3.0 and accepts contributions from developers, map makers and enthusiasts, with a developer setup guide in the repository.
Key features
- 01Community-created maps and scenarios covering WWII, historical and fantasy settings
- 02Built-in AI for single-player play
- 03Online multiplayer through a live game lobby
- 04Board game engine suitable for creating new turn-based strategy games
Use cases
- Playing Risk-style war strategy games with friends online
- Exploring historical campaigns on custom maps
- Creating and testing new board game scenarios or maps
Quick start
- 1
Download the latest TripleA version from the official website
- 2
Launch the downloaded game and join a game or play against the AI
Things to know
- Licensed under GPL-3.0, a copyleft license that requires derivative works to be distributed under the same terms.
Topics
FAQ
- What is triplea?
- Open-source turn-based strategy and board game engine in the style of Axis & Allies and Risk, with community-made maps and multiplayer. TripleA is a fan-created, open-source strategy and board game engine that recreates Axis and Allies-style gameplay. It is written in Java and has been in development since 2002.
- Is triplea free to use? What license does it have?
- triplea is open source under the GPL-3.0 license. Check the license terms before using it in commercial products.
- Is triplea still maintained?
- Actively maintained. The last commit to triplea was on Nov 6, 2026.
- What can I use triplea for?
- Playing Risk-style war strategy games with friends online Exploring historical campaigns on custom maps Creating and testing new board game scenarios or maps
- How do I install triplea?
- Download the latest TripleA version from the official website Launch the downloaded game and join a game or play against the AI
- Where can I get triplea?
- The source code and installation instructions are on GitHub: https://github.com/triplea-game/triplea
Summary generated by AI from the project's README. GitHub stats refresh daily.
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