triplea-game/triplea

TripleA is a turn based strategy game and board game engine, similar to Axis & Allies or Risk.

Java

1,582

14,882 commits

updated Oct 16, 2026

See the code

README

TripleA: Open Source Strategy Game Engine

Game Board Screenshot

About TripleA

TripleA is a fan-created, open-source strategy and board game engine that brings Axis and Allies-style gameplay to life. Launched in 2002, TripleA offers:

  • Community-created maps
  • Well-developed AI for single-player experiences
  • Active lobby for live multiplayer games
  • Diverse scenarios ranging from World War II to fantasy realms

Key Features

  • Historical Scenarios: Recreate pivotal moments in history, such as:
    • The Axis push towards Moscow in WWII
    • Napoleon's march across Europe
    • Rome's conquest of the Carthaginian Empire
  • Fantasy Realms: Dive into imaginary worlds, like Sauron's conquest of Middle Earth
  • Customizable Gameplay: Enjoy a wide variety of community-created maps and scenarios

Europe Scenario

Middle Earth Scenario

Getting Started

Download

Get the latest version of TripleA from our official website: Download TripleA

Community and Support

Contributing

We welcome contributions from the community! Whether you're a developer, designer, or enthusiast, there are many ways to help improve TripleA:

License

TripleA is open-source software licensed under the GNU General Public License v3.0.

TripleA license

Additional Permissions

Under GNU GPL version 3 section 7, we grant additional permission to convey the resulting work when combining or linking the Program with the following libraries (or modified versions of these libraries):

LibraryGroup IDArtifact IDSPDX License ID
Jakarta Mailcom.sun.mailjakarta.mailGPL-2.0-only

Acknowledgments

YourKit Profiler

YourKit logo

YourKit supports open source projects with innovative and intelligent tools for monitoring and profiling Java and .NET applications. YourKit is the creator of YourKit Java Profiler, YourKit .NET Profiler, and YourKit YouMonitor.

We're grateful to YourKit for granting the TripleA development project an open source license for YourKit Java Profiler.

free
game
good-first-issue
opensource
strategy
strategy-game
turn-based-strategy
world-war-2

triplea-game/triplea

TripleA is a turn based strategy game and board game engine, similar to Axis & Allies or Risk.

Java

1,582

14,882 commits

updated Oct 16, 2026

See the code

README

TripleA: Open Source Strategy Game Engine

Game Board Screenshot

About TripleA

TripleA is a fan-created, open-source strategy and board game engine that brings Axis and Allies-style gameplay to life. Launched in 2002, TripleA offers:

  • Community-created maps
  • Well-developed AI for single-player experiences
  • Active lobby for live multiplayer games
  • Diverse scenarios ranging from World War II to fantasy realms

Key Features

  • Historical Scenarios: Recreate pivotal moments in history, such as:
    • The Axis push towards Moscow in WWII
    • Napoleon's march across Europe
    • Rome's conquest of the Carthaginian Empire
  • Fantasy Realms: Dive into imaginary worlds, like Sauron's conquest of Middle Earth
  • Customizable Gameplay: Enjoy a wide variety of community-created maps and scenarios

Europe Scenario

Middle Earth Scenario

Getting Started

Download

Get the latest version of TripleA from our official website: Download TripleA

Community and Support

Contributing

We welcome contributions from the community! Whether you're a developer, designer, or enthusiast, there are many ways to help improve TripleA:

License

TripleA is open-source software licensed under the GNU General Public License v3.0.

TripleA license

Additional Permissions

Under GNU GPL version 3 section 7, we grant additional permission to convey the resulting work when combining or linking the Program with the following libraries (or modified versions of these libraries):

LibraryGroup IDArtifact IDSPDX License ID
Jakarta Mailcom.sun.mailjakarta.mailGPL-2.0-only

Acknowledgments

YourKit Profiler

YourKit logo

YourKit supports open source projects with innovative and intelligent tools for monitoring and profiling Java and .NET applications. YourKit is the creator of YourKit Java Profiler, YourKit .NET Profiler, and YourKit YouMonitor.

We're grateful to YourKit for granting the TripleA development project an open source license for YourKit Java Profiler.

free
game
good-first-issue
opensource
strategy
strategy-game
turn-based-strategy
world-war-2

Project health

Overall

4.3/10

Maintained

10/10

Code review

1/10
OpenSSF Scorecard

Significant stargazers

E. M. Bray

141 followers · starred Apr 2020

k.h.lai

30 followers · starred Jan 2019

Geoffrey De Smet

535 followers · starred Feb 2020

Toni Förster

97 followers · starred Oct 2024