Games like Otter Space Rescue
Games like Otter Space Rescue include BALL x PIT, Vampire Survivors, Escape From Duckov, 20 Minutes Till Dawn, and Nova Drift. We matched them by the tags players give Otter Space Rescue on Steam (Top-Down Shooter, Bullet Hell, Family Friendly, Action, and Roguelite): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Bullet Hell · Roguelite

Vampire Survivors
Shared: Bullet Hell · Roguelite · Action

Escape From Duckov
Shared: Action · Top-Down Shooter · Adventure

20 Minutes Till Dawn
Shared: Bullet Hell · Top-Down Shooter · Roguelite

Nova Drift
Shared: Bullet Hell · Roguelite · Arcade

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

Bot Vice
Shared: Top-Down Shooter · Bullet Hell · Action-Adventure

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

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

Enter the Gungeon
Shared: Bullet Hell · Action · Pixel Graphics

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

Tiny Rogues
Shared: Bullet Hell · Top-Down Shooter · Roguelite

Cyberhunt
Shared: Action · Adventure · Arcade

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

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

Halls of Torment
Shared: Bullet Hell · Roguelite · Action

Greedland
Shared: Bullet Hell · Roguelite · Shoot 'Em Up

Sky Force Reloaded
Shared: Bullet Hell · Top-Down Shooter · Arcade

Voidigo
Shared: Bullet Hell · Top-Down Shooter · Roguelite

Exit the Gungeon
Shared: Action · Bullet Hell · Arcade

Star of Providence
Shared: Bullet Hell · Roguelite · Action

Chippy
Shared: Bullet Hell · Top-Down Shooter · Twin Stick Shooter

Minishoot' Adventures
Shared: Bullet Hell · Adventure · Top-Down Shooter

DoDonPachi Resurrection
Shared: Top-Down Shooter · Bullet Hell · Action