Overview
The Ultimate Doom is a sci-fi 3D first-person shooter in which a lone space marine battles hordes of demons that have broken out of hell on Mars.
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How to play
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Open the game
Press Play now and the game opens on its own screen.
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Follow the in-game instructions
The controls and goals are shown inside the game as you play.
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Use the game menu
The floating button over the game reloads it, saves it to your favourites, or takes you back out.
