Games like Apocalypse Survivor
Games like Apocalypse Survivor include OUTRIDERS, Warframe, Borderlands 2, The Killing Antidote, and Escape From Duckov. We matched them by the tags players give Apocalypse Survivor on Steam (Action, Third-Person Shooter, RPG, Zombies, and Adventure): closest matches first, and among equally close ones the better-known games.

OUTRIDERS
Shared: RPG · Third-Person Shooter · Action

Warframe
Shared: Third-Person Shooter · Action · RPG

Borderlands 2
Shared: Action · Loot · Shooter

The Killing Antidote
Shared: Third-Person Shooter · Action · Zombies

Escape From Duckov
Shared: Action · Adventure · Third-Person Shooter

The First Descendant
Shared: Third-Person Shooter · Action · RPG

Tom Clancy’s The Division™
Shared: Third-Person Shooter · Action · Looter Shooter

Tomb Raider Game of the Year
Shared: Action · Adventure · Third-Person Shooter

Tom Clancy’s The Division® 2
Shared: Third-Person Shooter · Looter Shooter · Action

Borderlands 3
Shared: RPG · Looter Shooter · Action

Tiny Tina's Wonderlands
Shared: Loot · RPG · Adventure

Gothic 1 Remake
Shared: RPG · Action · Adventure

REMNANT II®
Shared: Action · Third-Person Shooter · RPG

Risk of Rain 2
Shared: Third-Person Shooter · Action · Looter Shooter

Fallout 4
Shared: RPG · Adventure · Action

Last Epoch
Shared: RPG · Loot · Action

Black Myth: Wukong
Shared: Action · RPG · Action RPG

Resident Evil 6
Shared: Action · Third-Person Shooter · Zombies

Grand Theft Auto V Legacy
Shared: Action · Adventure · Third-Person Shooter

Wayfinder
Shared: Action · Loot · Action RPG

Resident Evil 4 (2005)
Shared: Action · Zombies · Third-Person Shooter

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Adventure

Remnant: From the Ashes
Shared: Action · RPG · Third-Person Shooter

Path of Exile 2
Shared: RPG · Loot · Action