Games like Chornobyl Breakout
Games like Chornobyl Breakout include S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, Metro Exodus, METRO Last Light Redux, METRO 2033 Redux, and Call of Duty®. We matched them by the tags players give Chornobyl Breakout on Steam (Post-apocalyptic, Realistic, Survival, Atmospheric, and FPS): closest matches first, and among equally close ones the better-known games.

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Post-apocalyptic · Survival · FPS

Metro Exodus
Shared: Post-apocalyptic · FPS · Atmospheric

METRO Last Light Redux
Shared: Post-apocalyptic · Atmospheric · FPS

METRO 2033 Redux
Shared: Post-apocalyptic · Atmospheric · FPS

Call of Duty®
Shared: FPS · Action · Shooter

PUBG: BATTLEGROUNDS
Shared: Survival · FPS · Shooter

Left 4 Dead 2
Shared: FPS · Survival · Action

Ready or Not
Shared: Realistic · FPS · Shooter

Fallout 4
Shared: Post-apocalyptic · Atmospheric · Shooter

Insurgency: Sandstorm
Shared: Realistic · FPS · Shooter

DayZ
Shared: Survival · Post-apocalyptic · Shooter

Battlefield™ 6
Shared: FPS · Action · Military

Insurgency
Shared: Realistic · FPS · Action

Counter-Strike 2
Shared: FPS · Shooter · Action

Arma 3
Shared: Realistic · Action · Military

Squad
Shared: Realistic · FPS · Military

Red Dead Redemption 2
Shared: Realistic · Action · Adventure

Far Cry® 2
Shared: FPS · Action · Realistic

Road to Vostok
Shared: Survival · Realistic · Post-apocalyptic

Hell Let Loose
Shared: Realistic · Shooter · FPS

Far Cry® 4
Shared: FPS · Action · Shooter

WARDOGS
Shared: FPS · Realistic · Action

Left 4 Dead
Shared: FPS · Action · Survival

Far Cry 3
Shared: FPS · Action · Shooter