Games like Jump or Smash
Games like Jump or Smash include Celeste, Super Meat Boy, Webbed, Pizza Tower, and VVVVVV. We matched them by the tags players give Jump or Smash on Steam (Platformer, Incremental, 2D Platformer, Precision Platformer, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

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

Webbed
Shared: 2D Platformer · Platformer · Puzzle Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Funny

VVVVVV
Shared: Platformer · Precision Platformer · 2D Platformer

SANABI
Shared: 2D Platformer · Adventure · Pixel Graphics

Downwell
Shared: Precision Platformer · Platformer · 2D Platformer

Jump King
Shared: Precision Platformer · Platformer · Adventure

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

FEZ
Shared: Platformer · Adventure · Pixel Graphics

Sonic Origins
Shared: 2D Platformer · Platformer · Adventure

Sonic Mania
Shared: Platformer · 2D · Adventure

LIMBO
Shared: Platformer · Puzzle Platformer · 2D

Owlboy
Shared: Platformer · Adventure · Pixel Graphics

Geometry Dash
Shared: Platformer · Precision Platformer · 2D

CATO: Buttered Cat
Shared: Puzzle Platformer · Platformer · Adventure

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · 2D

The Messenger
Shared: Platformer · 2D · 2D Platformer

Öoo
Shared: 2D Platformer · Puzzle Platformer · Platformer

Songs for a Hero - Definitive Edition
Shared: 2D Platformer · Platformer · Adventure

Bread & Fred
Shared: 2D Platformer · Platformer · Cute

Leap Year
Shared: 2D Platformer · Precision Platformer · Platformer

Thank Goodness You're Here!
Shared: Adventure · 2D Platformer · Platformer

Chained Together
Shared: Platformer · Adventure · Puzzle Platformer