Games like Apocalypse Survivors
Games like Apocalypse Survivors include Magicraft, Risk of Rain 2, Megabonk, Nuclear Throne, and Gunfire Reborn. We matched them by the tags players give Apocalypse Survivors on Steam (Action Roguelike, Looter Shooter, Top-Down Shooter, Bullet Hell, and Roguelite): closest matches first, and among equally close ones the better-known games.

Magicraft
Shared: Action Roguelike · Looter Shooter · Bullet Hell

Risk of Rain 2
Shared: Action Roguelike · Looter Shooter · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike

Gunfire Reborn
Shared: Roguelite · Looter Shooter · Roguelike

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Yet Another Zombie Survivors
Shared: Action Roguelike · Top-Down Shooter · Roguelite

Roboquest
Shared: Action Roguelike · Roguelite · Looter Shooter

Crab Champions
Shared: Action Roguelike · Looter Shooter · Roguelike

BALL x PIT
Shared: Roguelite · Action Roguelike · Bullet Hell

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

The Last Stand: Aftermath
Shared: Top-Down Shooter · Action Roguelike · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

R.I.P. - Reincarnation Insurance Program
Shared: Action Roguelike · Looter Shooter · Bullet Hell

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Escape From Duckov
Shared: Looter Shooter · Top-Down Shooter · Shooter

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Army of Ruin
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Relic Hunters Zero: Remix
Shared: Looter Shooter · Action Roguelike · Top-Down Shooter

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Roguelite

Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite