Games like Stay Alive: Apocalypse
Games like Stay Alive: Apocalypse include Project Zomboid, 7 Days to Die, Kenshi, SurrounDead, and Sons Of The Forest. We matched them by the tags players give Stay Alive: Apocalypse on Steam (Early Access, Indie, RPG, Simulation, and Survival): closest matches first, and among equally close ones the better-known games.

Project Zomboid
Shared: Survival · Zombies · Open World

7 Days to Die
Shared: Survival · Zombies · Open World

Kenshi
Shared: RPG · Survival · Open World

SurrounDead
Shared: Survival · Zombies · Post-apocalyptic

Sons Of The Forest
Shared: Survival · Open World · Crafting

The Forest
Shared: Survival · Open World · Crafting

Mist Survival
Shared: Survival · Zombies · Open World

VEIN
Shared: Survival · Zombies · Open World

The Long Dark
Shared: Survival · Open World · Simulation

State of Decay: YOSE
Shared: Survival · Zombies · Open World

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

The Last Caretaker
Shared: Survival · Crafting · Open World

Miscreated
Shared: Survival · Zombies · Open World

Dying Light
Shared: Zombies · Survival · Open World

Rust
Shared: Survival · Crafting · Open World

DayZ
Shared: Survival · Zombies · Open World

Subnautica
Shared: Survival · Open World · Crafting

Raft
Shared: Survival · Open World · Crafting

Infection Free Zone
Shared: Zombies · Post-apocalyptic · Survival

DYSMANTLE
Shared: Survival · RPG · Zombies

This War of Mine
Shared: Survival · Simulation · Singleplayer

Days Gone
Shared: Zombies · Survival · Open World

Enshrouded
Shared: Survival · Open World · RPG

The Infected
Shared: Early Access · Survival · Open World