Games like Shrimp.io
Games like Shrimp.io include Vampire Survivors, Megabonk, BALL x PIT, Halls of Torment, and Death Must Die. We matched them by the tags players give Shrimp.io on Steam (Action, Casual, Strategy, Action Roguelike, and Arcade): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Megabonk
Shared: Action Roguelike · Action · Roguelite

BALL x PIT
Shared: Action · Arcade · Roguelite

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

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

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Skul: The Hero Slayer
Shared: Action · Action Roguelike · Pixel Graphics

Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Arcade

Rocket Rats
Shared: Action Roguelike · Casual · Bullet Hell

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

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

Astro Prospector
Shared: Casual · Action Roguelike · Roguelite

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

UFO 50
Shared: Action · Strategy · Pixel Graphics

Asgard's Fall — Viking Survivors
Shared: Action Roguelike · Casual · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Action · Pixel Graphics

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

Seraph's Last Stand
Shared: Casual · Action Roguelike · Bullet Hell

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

SHOOPER NOVA
Shared: Strategy · Casual · Action

Nova Drift
Shared: Bullet Hell · Action Roguelike · Arcade

Cursorblade
Shared: Action Roguelike · Arcade · Bullet Hell

UnderMine
Shared: Action Roguelike · Action · Roguelite