Games like Ultimate Demolition
Games like Ultimate Demolition include Geometry Dash, LIMBO, Defy Gravity Extended, Braid, and FEZ. We matched them by the tags players give Ultimate Demolition on Steam (Casual, Platformer, Puzzle Platformer, 2D, and Logic): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: 2D · Level Editor · Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · Indie

Defy Gravity Extended
Shared: Platformer · Puzzle Platformer · 2D

Braid
Shared: Puzzle Platformer · Platformer · 2D

FEZ
Shared: Platformer · Indie · Casual

Hollow Knight
Shared: Platformer · 2D · Indie

Toki Tori
Shared: Casual · Platformer · Indie

A Dance of Fire and Ice
Shared: Level Editor · 2D · Indie

Nihilumbra
Shared: Platformer · Casual · Indie

BattleBlock Theater®
Shared: Platformer · Level Editor · 2D

Hollow Knight: Silksong
Shared: 2D · Indie · Platformer

Baba Is You
Shared: Indie · Logic · Singleplayer

Portal 2
Shared: Platformer · Singleplayer · Puzzle Platformer

Zup! S
Shared: Casual · 2D · Indie

The Bridge
Shared: Puzzle Platformer · 2D · Logic

Munin
Shared: Casual · Puzzle Platformer · Platformer

BEEP
Shared: Platformer · 2D · Indie

Chained Together
Shared: Platformer · Casual · Puzzle Platformer

Squishy the Suicidal Pig
Shared: Platformer · Puzzle Platformer · Indie

Celeste
Shared: Platformer · Indie · 2D

GRIS
Shared: Platformer · Indie · 2D

Hexcells
Shared: Casual · Logic · Indie

Pinstripe
Shared: Casual · Indie · Puzzle Platformer

Zup!
Shared: Casual · 2D · Indie