Games like Squoids
Games like Squoids include Megabonk, Deep Rock Galactic: Survivor, Vampire Survivors, Rogue: Genesia, and Cursorblade. We matched them by the tags players give Squoids on Steam (Action, Casual, Action Roguelike, Arcade, and Arena Shooter): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Bullet Heaven · Action

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

Vampire Survivors
Shared: Action Roguelike · Casual · Action

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

Cursorblade
Shared: Action Roguelike · Arcade · Bullet Heaven

BALL x PIT
Shared: Action · Arcade · Action Roguelike

Brotato
Shared: Action Roguelike · Bullet Heaven · Arena Shooter

Arms of God
Shared: Action Roguelike · Bullet Heaven · Action

Nova Drift
Shared: Arcade · Action Roguelike · Arena Shooter

Yet Another Zombie Survivors
Shared: Action Roguelike · Bullet Heaven · Arcade

Halls of Torment
Shared: Action Roguelike · Action · Arcade

Project Lazarus
Shared: Action · Action Roguelike · Casual

Noobs Want to Live
Shared: Action · Action Roguelike · Casual

SNKRX
Shared: Action Roguelike · Arena Shooter · Arcade

WEBFISHING
Shared: Casual · Cute · Fishing

Soulstone Survivors
Shared: Action Roguelike · Bullet Heaven · Action

The Spell Brigade
Shared: Bullet Heaven · Action Roguelike · Action

Time Wasters
Shared: Action Roguelike · Bullet Heaven · Arena Shooter

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

Vital Shell
Shared: Action Roguelike · Bullet Heaven · Action

Boneraiser Minions
Shared: Action Roguelike · Bullet Heaven · Casual

MARVEL Tōkon: Fighting Souls
Shared: Action · Casual · Arcade

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Heaven · Action

Juicy Realm
Shared: Action · Action Roguelike · Casual