Games like Dead Man´s Diary
Games like Dead Man´s Diary include Fallout 4, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, Far Cry® 5, Metro Exodus, and Far Cry® 6. We matched them by the tags players give Dead Man´s Diary on Steam (Exploration, FPS, Puzzle, Shooter, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Fallout 4
Shared: Exploration · Post-apocalyptic · Shooter

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: FPS · Exploration · Shooter

Far Cry® 5
Shared: FPS · Action-Adventure · Exploration

Metro Exodus
Shared: FPS · Post-apocalyptic · Shooter

Far Cry® 6
Shared: FPS · Shooter · Action-Adventure

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

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

Atomic Heart
Shared: FPS · Action-Adventure · Puzzle

BioShock Infinite
Shared: FPS · Shooter · First-Person

VLADiK BRUTAL
Shared: FPS · Shooter · First-Person

Fallout: New Vegas
Shared: Exploration · Post-apocalyptic · FPS

PUBG: BATTLEGROUNDS
Shared: Shooter · FPS · Action

Half-Life 2
Shared: FPS · Shooter · Action

Left 4 Dead 2
Shared: FPS · Shooter · Action

Portal 2
Shared: Puzzle · First-Person · Action-Adventure

Rise of the Tomb Raider™
Shared: Exploration · Action · Action-Adventure

Far Cry® 4
Shared: FPS · Shooter · Action

Echo Point Nova
Shared: FPS · Exploration · Shooter

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Exploration · FPS · Shooter

Call of Duty®
Shared: FPS · Shooter · First-Person

Crisol: Theater of Idols
Shared: FPS · Shooter · Action-Adventure

Apex Legends™
Shared: FPS · Shooter · First-Person

Black Mesa
Shared: FPS · Shooter · First-Person

Twisted Tower
Shared: Exploration · Shooter · FPS