Games like Dead World
Games like Dead World include Fallout 4, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, Metro Exodus, Fallout: New Vegas, and METRO Last Light Redux. We matched them by the tags players give Dead World on Steam (Post-apocalyptic, Action, Atmospheric, Adventure, and Shooter): closest matches first, and among equally close ones the better-known games.

Fallout 4
Shared: Post-apocalyptic · Open World · Adventure

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

Metro Exodus
Shared: Post-apocalyptic · Atmospheric · Action

Fallout: New Vegas
Shared: Post-apocalyptic · Open World · Action

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

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

The Long Dark
Shared: Atmospheric · Exploration · Open World

Far Cry® 4
Shared: Action · Open World · Adventure

Far Cry 3
Shared: Action · Adventure · FPS

Far Cry® Primal
Shared: Action · Adventure · Open World

Grand Theft Auto V Legacy
Shared: Action · Open World · Shooter

Fallout 3
Shared: Post-apocalyptic · Open World · Exploration

Far Cry® 2
Shared: Action · Shooter · FPS

Far Cry® New Dawn
Shared: Action · Post-apocalyptic · FPS

The Long Drive
Shared: Post-apocalyptic · Open World · Exploration

BioShock Infinite
Shared: Action · Shooter · FPS

RAGE
Shared: Post-apocalyptic · Action · FPS

The Forest
Shared: Adventure · Open World · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · FPS

DayZ
Shared: Post-apocalyptic · Open World · Shooter

Half-Life 2
Shared: Action · FPS · Shooter

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

DOOM Eternal
Shared: Action · FPS · Shooter

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