Operation Flashpoint debuted in June 2001 as a significant military simulator with an expansive open-world design, allowing players to engage in combined-arms warfare across large islands. Players could control various military assets and command squads, offering a level of realism and complexity ahead of its time. Bohemia Interactive announced plans to celebrate ArmA: Cold War Assault with a remastered edition featuring a reengineered Poseidon engine, widescreen support, and modern hardware compatibility. A demo is available, serving as a "self-contained slice" and a "sanctioned asset pack" for fans to create new content. Bohemia has released the complete engine source code on GitHub, upgraded to C++20 with cross-platform support, while ensuring that the license does not extend to the ArmA or Operation Flashpoint trademarks. Bohemia is also developing ArmA Reforger, which recreates iconic islands and serves as a testbed for the anticipated ArmA 4, set for release in 2027.