Games like Dragon Mission
Games like Dragon Mission include Shovel Knight: Treasure Trove, SANABI, Blasphemous 2, Katana ZERO, and The Messenger. We matched them by the tags players give Dragon Mission on Steam (Retro, Combat, Platformer, Dragons, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

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

SANABI
Shared: Pixel Graphics · 2D Platformer · Platformer

Blasphemous 2
Shared: Combat · Pixel Graphics · 2D Platformer

Katana ZERO
Shared: Pixel Graphics · Platformer · Action

The Messenger
Shared: Retro · Platformer · Pixel Graphics

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

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

Celeste
Shared: Pixel Graphics · Platformer · 2D Platformer

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

Crimson Desert Enhanced
Shared: Combat · Medieval · Action

Sonic Mania
Shared: Retro · Platformer · Pixel Graphics

Broforce
Shared: Pixel Graphics · Platformer · Action

Gravity Circuit
Shared: Platformer · Pixel Graphics · Retro

Sonic Origins
Shared: Retro · Platformer · Pixel Graphics

Skul: The Hero Slayer
Shared: Pixel Graphics · Platformer · Action

VVVVVV
Shared: Platformer · Pixel Graphics · Retro

Jump King
Shared: Pixel Graphics · Platformer · Retro

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

Dust: An Elysian Tail
Shared: Platformer · Action · Beat 'em up

Out There Somewhere
Shared: Platformer · Pixel Graphics · Retro

Gato Roboto
Shared: Pixel Graphics · Retro · Platformer

Axiom Verge
Shared: Platformer · Pixel Graphics · Retro

F.I.S.T.: Forged In Shadow Torch
Shared: Platformer · Retro · 2D Platformer

Angry Video Game Nerd Adventures
Shared: Platformer · Retro · Pixel Graphics