Games like Apocalyptic
Games like Apocalyptic include Left 4 Dead 2, Killing Floor 2, DOOM, Back 4 Blood, and DOOM Eternal. We matched them by the tags players give Apocalyptic on Steam (FPS, Action, Casual, Hack and Slash, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.
Left 4 Dead 2
Shared: FPS · Action · Shooter
Killing Floor 2
Shared: FPS · Hack and Slash · Action
DOOM
Shared: FPS · Action · Shooter
Back 4 Blood
Shared: FPS · Action · Shooter
DOOM Eternal
Shared: FPS · Action · Gore
Bright Memory: Infinite
Shared: Action · FPS · Shooter
Ready or Not
Shared: FPS · Shooter · Action
Call of Duty®
Shared: FPS · Action · Shooter
Killing Floor
Shared: FPS · Action · Zombies
Trepang2
Shared: FPS · Shooter · Action
Call of Duty®: Black Ops III
Shared: FPS · Action · Shooter
Black Mesa
Shared: FPS · Action · First-Person
Blood and Bacon
Shared: Action · FPS · Shooter
Resident Evil Village
Shared: Action · First-Person · Horror
Bright Memory
Shared: FPS · Hack and Slash · Action
Half-Life 2
Shared: FPS · Action · Shooter
Left 4 Dead
Shared: FPS · Action · Zombies
BioShock Infinite
Shared: Action · FPS · Shooter
PUBG: BATTLEGROUNDS
Shared: FPS · Shooter · Action
Dead Bits
Shared: Action · FPS · Casual
Call of Duty: World at War
Shared: FPS · Action · Shooter
METRO 2033 Redux
Shared: FPS · Action · Horror
Pavlov
Shared: Action · FPS · Shooter
Half-Life: Alyx
Shared: FPS · Action · Shooter