The Ultimate Doom

MoodHorror Game feelChallenging GameplayCombat-focused GameplayPuzzles Game modeCo-op Game modeMultiplayer GenreShooter ThemeAction ThemeHorror ThemeScience fiction Trait2.5d Traitanother world Traitauto-aim Traitbeen here before Traitbloody Traitboss fight Traitcorpse Traitcrowd control Traitdarkness Traitdeath Traitdemon invasion Traitdemons Traitdial-up wide area network game operation Traitdifficulty level Traitdigital distribution Traitexplosion Traitfast paced Traitfuturistic Traitgriefing Traithand-to-hand combat Traitharder versions of earlier levels Traitheavy metal Traithidden room Traithuman Traitinstant kill Traitinvisibility Traitinvisible enemy Traitjumping puzzle Traitlost soul Traitmale protagonist Traitmaze Traitmelee Traitmoving platforms Traitno-reticle aiming Traitone-man army Traitpop culture reference Traitquicksaving Traitrabbit Traitrecurring boss Traitrock music Traitrun and gun Traitsatanism Traitsecret areas within secret areas Traitselective invincibility Traitsprinting mechanics Traitstat tracking Traitsteam Traitsteam cloud Traitteleportation Traittemporary invincibility Traittentacles Traitvision obstruction Traitwasd movement Traitworld map