Doom can run anywhere, even in other video games, and now it's the turn of the most frantic FPS of the moment

- February 9, 2026
- Updated: February 9, 2026 at 6:45 PM

In a surprising update, the classic game Doom is now available to play within Ultrakill, a popular first-person shooter, thanks to a mod developed by Squaresweets and their team. This mod allows players to enjoy Doom through a .wad file, creating a unique experience that combines a classic title with the frantic action of contemporary gameplay. Ultrakill features a terminal system that allows for smooth loadout selection without interrupting gameplay, enhancing immersion in the experience.
To relax from Ultrakill, a bit of Doom
The development of Ultrakill is still ongoing, with the next update scheduled for the first half of 2026. This constant evolution of the game is part of its appeal, as it allows players to explore new mechanics and features. The inclusion of emulation elements and references to classics within modern games has generated great interest in the gaming community.
The Squaresweets mod is based on previous works by other developers, such as the Doom specialist in Unity, xabblll, and the C# port created by sinshu. Players will need a DOOM.wad file to enjoy this experience in Ultrakill, which stands out for its retro controls and renewed gameplay. According to the community, the ability to play Doom within Ultrakill not only revitalizes the classic but also offers a new angle to enjoy the game, showing that the legacy of Doom is still alive in the modern world of video games.
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