Games like Moley Christmas
Games like Moley Christmas include Celeste, Super Meat Boy, SANABI, VVVVVV, and Katana ZERO. We matched them by the tags players give Moley Christmas on Steam (Retro, Action, Puzzle Platformer, Precision Platformer, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Pixel Graphics · 2D Platformer

Super Meat Boy
Shared: Precision Platformer · Platformer · Pixel Graphics

SANABI
Shared: Action · Pixel Graphics · 2D Platformer

VVVVVV
Shared: Precision Platformer · Pixel Graphics · Retro

Katana ZERO
Shared: Action · Pixel Graphics · Platformer

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

The Messenger
Shared: Retro · Pixel Graphics · Platformer

Downwell
Shared: Precision Platformer · Pixel Graphics · Action

Sonic Origins
Shared: Action · Retro · 2D Platformer

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

Ambidextro
Shared: Action · Precision Platformer · Pixel Graphics

Sonic Mania
Shared: Retro · Platformer · 2D

Jump King
Shared: Precision Platformer · Pixel Graphics · Action

Hotline Miami
Shared: Action · Pixel Graphics · Retro

Broforce
Shared: Action · Pixel Graphics · 2D

Webbed
Shared: 2D Platformer · Puzzle Platformer · Pixel Graphics

Gravity Circuit
Shared: Action · Pixel Graphics · Platformer

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

Alex Kidd in Miracle World DX
Shared: Precision Platformer · 2D Platformer · Retro

ANTONBLAST
Shared: Action · 2D Platformer · 2D

Door Kickers: Action Squad
Shared: Retro · Action · Pixel Graphics

Bloodstained: Curse of the Moon
Shared: Action · Retro · Pixel Graphics

NINJA GAIDEN: Ragebound
Shared: Action · Retro · Pixel Graphics

Out There Somewhere
Shared: Pixel Graphics · Platformer · Retro