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Arma: Cold War Assault is now open source

Bohemia Interactive open sourced the engine and game code for their 2001 classic Arma: Cold War Assault (formerly Operation Flashpoint: Cold War Crisis) under the GPLv3 license. Now you can finally peek inside and learn what made this game so revolutionary.

The game engine for Bohemia Interactive’s Arma: Cold War Assault has been ported to C++20 using CMake and Clang, and is available for Windows x64 and Linux x64. The game’s assets are licensed under the Arma Public License while the engine itself is licensed under the GPLv3.

Why a vibe-coder should care

This is an amazing opportunity to study the inner workings of a realistic military simulator, including its physics, vehicle dynamics, and AI. You can learn a lot from reading this production quality C++ code that was running on computers 25 years ago and continues to compile today!

Open on GitHub