Games like Monochrome Heights
Games like Monochrome Heights include Celeste, Super Meat Boy, SANABI, Katana ZERO, and VVVVVV. We matched them by the tags players give Monochrome Heights on Steam (Precision Platformer, Side Scroller, 2D Platformer, Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

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

SANABI
Shared: 2D Platformer · Story Rich · Pixel Graphics

Katana ZERO
Shared: Platformer · 2D Platformer · Action

VVVVVV
Shared: Precision Platformer · Platformer · 2D Platformer

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Gravity Circuit
Shared: Platformer · Action · 2D

Downwell
Shared: Precision Platformer · Platformer · 2D Platformer

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

Skul: The Hero Slayer
Shared: Action · 2D · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Pixel Graphics

Jump King
Shared: Precision Platformer · Platformer · 2D

Broforce
Shared: 2D · Action · Platformer

NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Platformer · Side Scroller

The Messenger
Shared: Platformer · 2D · Pixel Graphics

Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics

Undertale
Shared: Choices Matter · Story Rich · Pixel Graphics

Hollow Knight
Shared: Platformer · 2D · Story Rich

Ambidextro
Shared: Precision Platformer · 2D Platformer · Action

Bloodstained: Curse of the Moon
Shared: Platformer · Side Scroller · Action

Huntdown
Shared: Side Scroller · Pixel Graphics · 2D

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · 2D

Sonic Mania
Shared: Platformer · 2D · Side Scroller

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