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

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

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

BALL x PIT
Shared: Action · Roguelite · Roguelike

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

Hades
Shared: Action Roguelike · Action · Roguelite

Hades II
Shared: Action · Roguelike · Action Roguelike

Megabonk
Shared: Action Roguelike · Roguelike · Action

Brotato
Shared: Roguelike · Action Roguelike · Bullet Hell

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

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

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

Juicy Realm
Shared: Action · Action Roguelike · RPG

Cultivation Story: Reincarnation
Shared: RPG · Action Roguelike · Action

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

Streets of Rogue
Shared: Action Roguelike · RPG · Action

Rogue Legacy
Shared: Action · Roguelike · Action Roguelike

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

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

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Dungreed
Shared: Action Roguelike · Action · Roguelike