Games like Baby Redemption
Games like Baby Redemption include Enter the Gungeon, Nova Drift, Voidigo, Deep Rock Galactic: Survivor, and Nuclear Throne. We matched them by the tags players give Baby Redemption on Steam (Action Roguelike, Arena Shooter, Shoot 'Em Up, Top-Down Shooter, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.

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

Nova Drift
Shared: Shoot 'Em Up · Action Roguelike · Arena Shooter

Voidigo
Shared: Action Roguelike · Twin Stick Shooter · Shoot 'Em Up

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Top-Down Shooter · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Star of Providence
Shared: Action Roguelike · Shoot 'Em Up · Bullet Hell

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

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

Dead Estate
Shared: Action Roguelike · Twin Stick Shooter · Shoot 'Em Up

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Time Wasters
Shared: Action Roguelike · Arena Shooter · Twin Stick Shooter

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Dungeon Crawler · Difficult

SNKRX
Shared: Action Roguelike · Arena Shooter · Top-Down Shooter

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

Brotato
Shared: Action Roguelike · Bullet Hell · Arena Shooter

Hades
Shared: Action Roguelike · Roguelite · Indie

X Invader
Shared: Arena Shooter · Action Roguelike · Shoot 'Em Up

Noita
Shared: Dungeon Crawler · Action Roguelike · Difficult

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

SYNTHETIK 2
Shared: Action Roguelike · Top-Down Shooter · Roguelite

The Binding of Isaac
Shared: Action Roguelike · Difficult · Roguelike

Glyphica: Typing Survival
Shared: Action Roguelike · Arena Shooter · Top-Down Shooter

I Am Legion: Stand Survivors
Shared: Action Roguelike · Shoot 'Em Up · Bullet Hell