Games like Bad 2 Bad: Apocalypse
Games like Bad 2 Bad: Apocalypse include Project Zomboid, 7 Days to Die, SurrounDead, Fallout 4, and Fallout: New Vegas. We matched them by the tags players give Bad 2 Bad: Apocalypse on Steam (RPG, Indie, Post-apocalyptic, Action RPG, and Zombies): closest matches first, and among equally close ones the better-known games.

Project Zomboid
Shared: Zombies · Survival · Post-apocalyptic

7 Days to Die
Shared: Zombies · Survival · Post-apocalyptic

SurrounDead
Shared: Zombies · Post-apocalyptic · Open World

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

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

Days Gone
Shared: Zombies · Post-apocalyptic · Open World

DayZ
Shared: Zombies · Post-apocalyptic · Open World

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

Miscreated
Shared: Post-apocalyptic · Zombies · Open World

SCUM
Shared: Open World · Zombies · Open World Survival Craft

Kenshi
Shared: RPG · Open World · Post-apocalyptic

Rust
Shared: Survival · Open World · Open World Survival Craft

Dying Light
Shared: Zombies · Open World · Survival

Terraria
Shared: Open World Survival Craft · Survival · 2D

Don't Starve Together
Shared: Survival · Open World Survival Craft · Open World

DeadPoly
Shared: Zombies · Post-apocalyptic · Survival

Fallout 76
Shared: RPG · Post-apocalyptic · Open World

Palworld
Shared: Open World · Indie · Survival

Tom Clancy’s The Division™
Shared: Open World · RPG · Post-apocalyptic

State of Decay: YOSE
Shared: Zombies · Post-apocalyptic · Open World

Sands of Salzaar
Shared: RPG · Indie · Open World

Dragon's Dogma 2
Shared: RPG · Action RPG · Open World

ELDEN RING
Shared: RPG · Open World · Action RPG

Mount & Blade II: Bannerlord
Shared: RPG · Open World · Indie