Final DOOM is a stand-alone expansion of the iconic first-person shooter DOOM II, developed by id Software and released inThis game features two packs of new maps, TNT: Evilution and The Plutonia Experiment, each created by different level designers. Final DOOM offers the same gameplay as previous games in the series, but with a higher level of difficulty and new enemies.

The game consists of 32 levels, and the player's goal is to find an exit from each level. This is achieved by finding keys from multi-colored doors and fighting hordes of demons. The player has access to different weapons, such as a chainsaw, pistol, shotgun, and rocket launcher. There are many types of enemies in the game, from zombies and imps to huge cyberdemons and skeletons with rocket launchers on their shoulders. The levels are filled with secret rooms that can significantly help the player by providing with items, ammunition, and new weapons.

Final DOOM is different from the previous games in the series due to its challenging difficulty level, which surpasses that of the previous two games. The game is suitable for players looking for a challenge and a new experience of DOOM II's gameplay.