Games like Orderfall
Games like Orderfall include Super Hexagon, A Dance of Fire and Ice, UFO 50, Timberman, and Rhythm Doctor. We matched them by the tags players give Orderfall on Steam (Cooking, Arcade, Score Attack, Time Attack, and Puzzle): closest matches first, and among equally close ones the better-known games.

Super Hexagon
Shared: Arcade · Difficult · Rhythm

A Dance of Fire and Ice
Shared: Rhythm · Arcade · Difficult

UFO 50
Shared: Arcade · Pixel Graphics · Action

Timberman
Shared: Arcade · Pixel Graphics · Action

Rhythm Doctor
Shared: Rhythm · Pixel Graphics · Action

Vampire Survivors
Shared: Pixel Graphics · Arcade · Singleplayer

DJMAX RESPECT V
Shared: Rhythm · Action · Arcade

PAC-MAN™ Championship Edition DX+
Shared: Arcade · Score Attack · Action

Trip to Vinelands
Shared: Arcade · Action · Pixel Graphics

Beatblock
Shared: Arcade · Rhythm · Difficult

Baba Is You
Shared: Puzzle · Difficult · Pixel Graphics

AudioSurf
Shared: Arcade · Rhythm · Score Attack

Geometry Dash
Shared: Difficult · Rhythm · Singleplayer

Waveform
Shared: Puzzle · Arcade · Singleplayer

The Escapists
Shared: Pixel Graphics · Singleplayer · Action

Cook, Serve, Delicious!
Shared: Cooking · Arcade · Difficult

Zuma's Revenge!
Shared: Puzzle · Arcade · Action

Music Racer
Shared: Rhythm · Action · Arcade

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Difficult

Papers, Please
Shared: Pixel Graphics · Puzzle · Singleplayer

Spin Rhythm XD
Shared: Rhythm · Arcade · Action

Planes, Bullets and Vodka
Shared: Arcade · Action · Casual

Exit the Gungeon
Shared: Arcade · Action · Pixel Graphics

Peggle Deluxe
Shared: Arcade · Puzzle · Singleplayer