Games like Project Lazarus 2
Games like Project Lazarus 2 include Project Lazarus, 20 Minutes Till Dawn, Megabonk, Vampire Survivors, and Brotato. We matched them by the tags players give Project Lazarus 2 on Steam (Action, Mechs, Action Roguelike, Bullet Hell, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Project Lazarus
Shared: Action · Action Roguelike · Bullet Hell

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Megabonk
Shared: Action Roguelike · Bullet Hell · Action

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Action

Brotato
Shared: Action Roguelike · Bullet Hell · Singleplayer

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Mechs · Action · Sci-fi

Titanfall® 2
Shared: Mechs · Action · Sci-fi

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

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

Returnal™
Shared: Action · Bullet Hell · Action Roguelike

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

Nova Drift
Shared: Bullet Hell · Action Roguelike · Shoot 'Em Up

Furi
Shared: Bullet Hell · Action · Beat 'em up

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Action

STAR WARS™ Battlefront™ II
Shared: Action · Sci-fi · Singleplayer

Beautiful Mystic Survivors
Shared: Action Roguelike · Bullet Hell · Action

Apocalypse Party
Shared: Action Roguelike · Casual · Bullet Hell

STAR WARS Jedi: Survivor™
Shared: Action · Singleplayer · Sci-fi

EVERSPACE™
Shared: Action · Action Roguelike · Sci-fi

Goobies
Shared: Action Roguelike · Bullet Hell · Action

Noobs Want to Live
Shared: Action · Bullet Hell · Action Roguelike

Bit Blaster XL
Shared: Bullet Hell · Action · Shoot 'Em Up

Time Wasters
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Twilight Survivors
Shared: Action Roguelike · Bullet Hell · Action