Games like WastelandElysium
Games like WastelandElysium include Vampire Survivors, BALL x PIT, Nuclear Throne, Deep Rock Galactic: Survivor, and Enter the Gungeon. We matched them by the tags players give WastelandElysium on Steam (Action Roguelike, Bullet Hell, Top-Down Shooter, Roguelite, and Auto Battler): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

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

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

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

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Roguelite

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Pathogenic
Shared: Bullet Hell · Top-Down Shooter · Action Roguelike

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

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Roguelite

Pass the Fear
Shared: Action Roguelike · Bullet Hell · Roguelite

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

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

Blazing Beaks
Shared: Action Roguelike · Roguelite · Top-Down Shooter

Be My Horde
Shared: Action Roguelike · Bullet Hell · Roguelite

Roboquest
Shared: Action Roguelike · Roguelite · Shooter