Games like Lumbrix
Games like Lumbrix include Megabonk, Deep Rock Galactic: Survivor, Vampire Survivors, Time Wasters, and Yet Another Zombie Survivors. We matched them by the tags players give Lumbrix on Steam (Action Roguelike, Bullet Heaven, Top-Down Shooter, Action, and Casual): closest matches first, and among equally close ones the better-known games.
Megabonk
Shared: Action Roguelike · Bullet Heaven · Roguelite
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Top-Down Shooter
Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D
Time Wasters
Shared: Action Roguelike · Bullet Heaven · Twin Stick Shooter
Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter
SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Action
BALL x PIT
Shared: Action · Action Roguelike · Roguelite
20 Minutes Till Dawn
Shared: Action Roguelike · Top-Down Shooter · Roguelite
Death Must Die
Shared: Action Roguelike · Bullet Heaven · Roguelite
SYNTHETIK 2
Shared: Action Roguelike · Top-Down Shooter · Roguelite
Arms of God
Shared: Action Roguelike · Bullet Heaven · Top-Down Shooter
Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Roguelite
The Spell Brigade
Shared: Bullet Heaven · Action Roguelike · Roguelite
Brotato
Shared: Action Roguelike · Bullet Heaven · Roguelite
Survivors of the Dawn
Shared: Action Roguelike · Bullet Heaven · Top-Down Shooter
Nuclear Throne
Shared: Action Roguelike · Action · Top-Down Shooter
Soulstone Survivors
Shared: Action Roguelike · Bullet Heaven · Roguelite
NIMRODS
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter
Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Heaven · Roguelite
Rocket Rats
Shared: Action Roguelike · Casual · Roguelite
Blazing Beaks
Shared: Action Roguelike · Top-Down Shooter · Action
Boneraiser Minions
Shared: Action Roguelike · Bullet Heaven · Roguelite
Halls of Torment
Shared: Action Roguelike · Roguelite · Action
SNKRX
Shared: Action Roguelike · Top-Down Shooter · Roguelite