Games like Demon Seed
Games like Demon Seed include Left 4 Dead 2, Counter-Strike 2, PUBG: BATTLEGROUNDS, Call of Duty®, and Ready or Not. We matched them by the tags players give Demon Seed on Steam (Action, Shooter, FPS, First-Person, and Horror): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: FPS · Shooter · Action

Counter-Strike 2
Shared: Shooter · FPS · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · FPS · Action

Call of Duty®
Shared: FPS · Shooter · Action

Ready or Not
Shared: FPS · Shooter · Singleplayer

Left 4 Dead
Shared: Action · FPS · Shooter

Back 4 Blood
Shared: FPS · Shooter · Action

Killing Floor
Shared: FPS · Action · Horror

Battlefield™ 2042
Shared: FPS · Shooter · Action

DOOM
Shared: Action · FPS · Shooter

Dying Light
Shared: Horror · First-Person · Survival Horror

Call of Duty®: Black Ops II
Shared: Action · FPS · Shooter

DayZ
Shared: Shooter · Survival · FPS

Call of Duty®: Black Ops III
Shared: FPS · Shooter · Action

Far Cry® 4
Shared: Action · FPS · Shooter

METRO 2033 Redux
Shared: FPS · Action · Horror

Metro Exodus
Shared: FPS · Action · Singleplayer

PAYDAY 2
Shared: Action · FPS · Co-op

GTFO
Shared: FPS · Horror · Shooter

Killing Floor 2
Shared: FPS · Shooter · Action

Deep Rock Galactic
Shared: FPS · Shooter · Procedural Generation

Far Cry 3
Shared: Action · FPS · Shooter

METRO Last Light Redux
Shared: FPS · Action · Horror

Borderlands 2
Shared: Shooter · Action · FPS