Games like Core Trials
Games like Core Trials include Vampire Survivors, Enter the Gungeon, The Binding of Isaac: Rebirth, Megabonk, and Skul: The Hero Slayer. We matched them by the tags players give Core Trials on Steam (Action Roguelike, Bullet Hell, Pixel Graphics, Roguelike, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Pixel Graphics

Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell

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

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Roguelike

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

Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelike

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Pixel Graphics

Hades
Shared: Action Roguelike · Roguelike · Indie

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Noita
Shared: Pixel Graphics · Roguelike · Difficult

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

Noobs Want to Live
Shared: Bullet Hell · Pixel Graphics · Roguelike

Rogue Legacy
Shared: Action Roguelike · Roguelike · Indie

Dead Cells
Shared: Action Roguelike · Roguelike · Pixel Graphics

Star of Providence
Shared: Bullet Hell · Action Roguelike · Pixel Graphics

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

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

Hero Siege
Shared: Pixel Graphics · Action Roguelike · Roguelike

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Pixel Graphics