Games like Predicate
Games like Predicate include Enter the Gungeon, Cuphead, Just Shapes & Beats, A Dance of Fire and Ice, and Nuclear Throne. We matched them by the tags players give Predicate on Steam (Action, Indie, Difficult, Colorful, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Enter the Gungeon
Shared: Bullet Hell · Difficult · Indie

Cuphead
Shared: Difficult · Indie · Bullet Hell

Just Shapes & Beats
Shared: Difficult · Bullet Hell · Indie

A Dance of Fire and Ice
Shared: Difficult · Indie · Colorful

Nuclear Throne
Shared: Indie · Difficult · Action

Geometry Dash
Shared: Difficult · Colorful · Indie

Devil Daggers
Shared: Indie · Difficult · Action

Skul: The Hero Slayer
Shared: Action · Indie · Difficult

Super Hexagon
Shared: Difficult · Indie · Action

Jets'n'Guns 2
Shared: Action · Indie · Bullet Hell

Rift of the NecroDancer
Shared: Indie · Difficult · Action

Hollow Knight: Silksong
Shared: Indie · Difficult · Action

Hotline Miami
Shared: Action · Indie · Difficult

The Binding of Isaac
Shared: Indie · Difficult · Action

Exit the Gungeon
Shared: Indie · Action · Bullet Hell

Rabbit and Steel
Shared: Bullet Hell · Difficult · Action

Hyper Light Drifter
Shared: Indie · Action · Difficult

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Difficult · Action

Super Meat Boy Forever
Shared: Indie · Action · Difficult

Sifu
Shared: Action · Difficult · Indie

The Textorcist: The Story of Ray Bibbia
Shared: Action · Indie · Difficult

Vampire Survivors
Shared: Bullet Hell · Indie · Action

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Bullet Hell · Difficult

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Bullet Hell