Games like Boing!
Games like Boing! include Geometry Dash, A Dance of Fire and Ice, Pumpkin Jack, Neon White, and Celeste. We matched them by the tags players give Boing! on Steam (Precision Platformer, 3D Platformer, Singleplayer, Indie, and Action): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: Precision Platformer · Singleplayer · Level Editor

A Dance of Fire and Ice
Shared: Singleplayer · Indie · Level Editor

Pumpkin Jack
Shared: 3D Platformer · Action · Indie

Neon White
Shared: 3D Platformer · Action · Indie

Celeste
Shared: Precision Platformer · Indie · Singleplayer

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

Super Meat Boy 3D
Shared: Precision Platformer · 3D Platformer · Action

Super Meat Boy
Shared: Precision Platformer · Indie · Singleplayer

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

Superflight
Shared: Indie · Singleplayer · Procedural Generation

Lunistice
Shared: 3D Platformer · Singleplayer · Precision Platformer

Sonic Frontiers
Shared: 3D Platformer · Action · Singleplayer

Yellow Taxi Goes Vroom
Shared: Singleplayer · Indie · 3D Platformer

A Story About My Uncle
Shared: Singleplayer · Indie · 3D Platformer

SpongeBob SquarePants: The Cosmic Shake
Shared: 3D Platformer · Action · Singleplayer

Jump King
Shared: Precision Platformer · Indie · Singleplayer

Portal 2
Shared: Singleplayer · 3D Platformer · Platformer

Sonic Adventure DX
Shared: 3D Platformer · Singleplayer · Action

Clustertruck
Shared: 3D Platformer · Action · Singleplayer

Pseudoregalia
Shared: 3D Platformer · Singleplayer · 3D

Cyber Hook
Shared: 3D Platformer · Indie · Action

Downwell
Shared: Precision Platformer · Indie · Action

Spyro™ Reignited Trilogy
Shared: 3D Platformer · Singleplayer · Action

VHOLUME
Shared: 3D Platformer · Atmospheric · Singleplayer