Jul 16, 2026
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Arma: Cold War Assault Remastered Is Out Now!

3/5 Moderate

Arma: Cold War Assault Remastered launches with 64-bit support, Steam Deck compatibility, and a modernized engine for all existing owners.

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Key Changes

  • 1Release of Arma: Cold War Assault Remastered on a modernized engine
  • 2Native 64-bit support for Windows and Linux systems
  • 3Full support for modern peripherals and the Steam Deck
  • 4Engine source code released publicly on GitHub for the community
  • 5New OpenGL 3.3 renderer and support for ultrawide resolutions
  • 6Restored spatial audio and improved stability/performance
  • 7Added LAN multiplayer, dedicated servers, and Voice over Network
  • 8Experimental Join in Progress support for compatible missions

All Changes

🆕New Content(2)

  • newArma: Cold War Assault Remastered: Released Arma: Cold War Assault Remastered, a preservation-focused remaster on a modernized engine
  • buffArma: Cold War Assault: Remastered version is available for free to all existing owners of Arma: Cold War Assault on Steam

⚙️Technical Improvements(4)

  • newWindows and Linux: Added native 64-bit support for Windows and Linux
  • newRenderer: Implemented a new OpenGL 3.3 renderer tuned to preserve the original atmosphere
  • fixPerformance: Improved overall stability and performance on current hardware systems
  • newPoseidon Engine: Built the remaster on a modernized version of the classic Poseidon engine

🖥️Input & Display(3)

  • newSteam Deck: Added support for modern peripherals and the Steam Deck
  • newDisplay: Added support for modern resolutions and ultrawide aspect ratios
  • changeInput: Modernized input handling for better compatibility with current hardware

🌐Multiplayer(3)

  • newMultiplayer: Added LAN multiplayer and dedicated server support
  • newVoice over Network: Implemented Voice over Network (VoN) support
  • newJoin in Progress: Added experimental Join in Progress support for compatible missions

🔊Audio(1)

  • fixSpatial Audio: Restored spatial audio support for improved immersion

🛠️Community & Modding(2)

  • newGitHub: Released the engine source code publicly on GitHub for community study and experimentation
  • newDocumentation: Provided technical documentation, licensing information, and issue reporting via the repository

⚠️Compatibility Notes(4)

  • changeInstallation: Remastered version is installed alongside the classic version and does not replace it
  • changeSavegames: Classic savegames are not compatible with the remastered version due to separate profile data
  • changeMultiplayer: Multiplayer is separate; remastered clients cannot connect to classic servers and vice versa
  • changeConfiguration: Remaster uses separate files, profiles, configuration, and mod workflows from the original

Summary

A Classic Reborn

Bohemia Interactive has released Arma: Cold War Assault Remastered, a preservation-focused update to the original game that started the franchise. Built on a modernized version of the Poseidon engine, this remaster maintains the original gameplay, missions, and assets while ensuring compatibility with modern hardware and operating systems.

Technical Modernization

The remaster introduces significant technical upgrades, including native 64-bit support for Windows and Linux, a new OpenGL 3.3 renderer, and support for ultrawide resolutions. It also features modern input handling for peripherals and full support for the Steam Deck.

Multiplayer and Community

New features include LAN multiplayer, dedicated server support, and experimental Join in Progress. In a major move for the community, the engine source code has been made publicly available on GitHub for study and experimentation.