Games like Murdo's Quest
Games like Murdo's Quest include SANABI, Celeste, Shovel Knight: Treasure Trove, Super Meat Boy, and Blasphemous 2. We matched them by the tags players give Murdo's Quest on Steam (Adventure, Platformer, 2D Platformer, Side Scroller, and 2D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Adventure · Pixel Graphics · 2D Platformer

Celeste
Shared: Platformer · Pixel Graphics · 2D Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Adventure

Super Meat Boy
Shared: Platformer · 2D Platformer · Pixel Graphics

Blasphemous 2
Shared: Adventure · Fantasy · 2D Platformer

Skul: The Hero Slayer
Shared: Pixel Graphics · 2D · Indie

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

Owlboy
Shared: Adventure · Platformer · Pixel Graphics

Bloodstained: Curse of the Moon
Shared: Platformer · Pixel Graphics · 2D

Rogue Legacy
Shared: Platformer · 2D · Indie

Hollow Knight
Shared: Platformer · 2D · Adventure

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Dust: An Elysian Tail
Shared: Platformer · Adventure · 2D

Smilemo
Shared: Adventure · Platformer · 2D Platformer

Mark of the Ninja
Shared: Platformer · 2D · Adventure

Dead Cells
Shared: Adventure · 2D · Pixel Graphics

Jump King
Shared: Adventure · Platformer · Pixel Graphics

Gravity Circuit
Shared: Platformer · 2D · Pixel Graphics

Rain World
Shared: Platformer · Pixel Graphics · 2D

Katana ZERO
Shared: Platformer · Pixel Graphics · 2D Platformer

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

Reventure
Shared: Adventure · Pixel Graphics · Platformer

VVVVVV
Shared: Platformer · Pixel Graphics · 2D Platformer

Gal Guardians: Demon Purge
Shared: Adventure · 2D Platformer · Platformer