Games like Ball is Life
Games like Ball is Life include Celeste, I Am Bread, Getting Over It with Bennett Foddy, A Difficult Game About Climbing, and Get To Work. We matched them by the tags players give Ball is Life on Steam (Visual Novel, Precision Platformer, Difficult, Physics, and Intentionally Awkward Controls): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Platformer

I Am Bread
Shared: Difficult · Physics · 3D Platformer

Getting Over It with Bennett Foddy
Shared: Difficult · Physics · Platformer

A Difficult Game About Climbing
Shared: Difficult · Precision Platformer · Adventure

Get To Work
Shared: Difficult · Precision Platformer · Adventure

Portal 2
Shared: Platformer · 3D Platformer · Funny

Jump King
Shared: Precision Platformer · Difficult · Adventure

Crash Bandicoot™ N. Sane Trilogy
Shared: 3D Platformer · Difficult · Platformer

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

Geometry Dash
Shared: Difficult · Precision Platformer · Platformer

Hollow Knight
Shared: Difficult · Platformer · Adventure

Pogostuck: Rage With Your Friends
Shared: Precision Platformer · Difficult · Action

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

Clustertruck
Shared: Action · 3D Platformer · Physics

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: 3D Platformer · Adventure · Action

Portal
Shared: 3D Platformer · Physics · Action

Octodad: Dadliest Catch
Shared: Physics · Adventure · Funny

Crash Bandicoot™ 4: It’s About Time
Shared: Difficult · 3D Platformer · Action

The End Is Nigh
Shared: Precision Platformer · Difficult · Platformer

Human Fall Flat
Shared: Physics · Adventure · Funny

Hollow Knight: Silksong
Shared: Difficult · Platformer · Indie

Gang Beasts
Shared: Physics · Action · Funny

Totally Accurate Battle Simulator
Shared: Physics · Funny · Adventure

BEEP
Shared: Physics · Adventure · Platformer