Games like Ain't No Surprise
Games like Ain't No Surprise include Celeste, Super Meat Boy, Huntdown, Downwell, and SANABI. We matched them by the tags players give Ain't No Surprise on Steam (Precision Platformer, Side Scroller, Psychedelic, 2D Platformer, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Super Meat Boy
Shared: Precision Platformer · 2D Platformer · Platformer

Huntdown
Shared: Side Scroller · Shoot 'Em Up · Precision Platformer

Downwell
Shared: Precision Platformer · 2D Platformer · Platformer

SANABI
Shared: 2D Platformer · Action · Side Scroller

Prince of Persia The Lost Crown
Shared: 2D Platformer · Side Scroller · Precision Platformer

Ratchet & Clank: Rift Apart
Shared: 3D Platformer · Adventure · Third-Person Shooter

Squirrel with a Gun
Shared: Third-Person Shooter · 3D Platformer · Action

Thomas Was Alone
Shared: Side Scroller · Precision Platformer · 2D Platformer

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

Neon White
Shared: 3D Platformer · Precision Platformer · Platformer

Alex Jones: NWO Wars
Shared: 2D Platformer · Side Scroller · Shoot 'Em Up

Warhammer 40,000: Shootas, Blood & Teef
Shared: Side Scroller · 2D Platformer · Shoot 'Em Up

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Only Climb: Better Together
Shared: Precision Platformer · 3D Platformer · Platformer

Hitler is my crush
Shared: Side Scroller · Shoot 'Em Up · Third-Person Shooter

Bō: Path of the Teal Lotus
Shared: Precision Platformer · Side Scroller · 2D Platformer

ALTF4
Shared: Physics · 3D Platformer · Action

!AnyWay!
Shared: Precision Platformer · Side Scroller · 2D Platformer

Toree 2
Shared: 3D Platformer · Precision Platformer · Action

Broforce
Shared: Side Scroller · Action · Platformer

I wanna be the Creator
Shared: Precision Platformer · Action · Platformer

Webbed
Shared: 2D Platformer · Physics · Platformer

SONIC X SHADOW GENERATIONS
Shared: 3D Platformer · 2D Platformer · Action