Games like Infinicrypt
Games like Infinicrypt include Enter the Gungeon, Vampire Survivors, Hades, Halls of Torment, and Hades II. We matched them by the tags players give Infinicrypt on Steam (Action, Roguelike, Bullet Hell, Dungeon Crawler, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

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

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Roguelike

Hades
Shared: Action Roguelike · Action · Roguelike

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

Hades II
Shared: Action · Roguelike · Action Roguelike

Megabonk
Shared: Roguelike · Action Roguelike · Bullet Hell

BALL x PIT
Shared: Action · Bullet Hell · Roguelike

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

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

Tiny Rogues
Shared: Bullet Hell · Action Roguelike · Roguelike

Heroes of Hammerwatch II
Shared: Action · Action Roguelike · Dungeon Crawler

Wizard of Legend
Shared: Roguelike · Action Roguelike · Dungeon Crawler

Dead Cells
Shared: Roguelike · Action Roguelike · Adventure

Hero Siege
Shared: Action Roguelike · Roguelike · Action

Noita
Shared: Roguelike · Dungeon Crawler · Action

Moonlighter
Shared: Roguelike · Dungeon Crawler · Action Roguelike

UnderMine
Shared: Action Roguelike · Dungeon Crawler · Action

Soulstone Survivors
Shared: Bullet Hell · Action Roguelike · Roguelike

Dungreed
Shared: Roguelike · Action · Action Roguelike

Children of Morta
Shared: Roguelike · Action Roguelike · Action

The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · Dungeon Crawler

Tower of Babel: Survivors of Chaos
Shared: Bullet Hell · Roguelike · Action Roguelike

Nuclear Throne
Shared: Roguelike · Action Roguelike · Action

Brotato
Shared: Roguelike · Bullet Hell · Action Roguelike