Games like Project Mercury
Games like Project Mercury include Celeste, Shovel Knight: Treasure Trove, Hollow Knight: Silksong, Skul: The Hero Slayer, and Broforce. We matched them by the tags players give Project Mercury on Steam (Action, Indie, Platformer, Female Protagonist, and Retro): closest matches first, and among equally close ones the better-known games.
Celeste
Shared: Indie · Platformer · Pixel Graphics
Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Retro
Hollow Knight: Silksong
Shared: Indie · Platformer · 2D
Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics
Broforce
Shared: Action · Platformer · Indie
Super Meat Boy
Shared: Platformer · Indie · 2D
Out There Somewhere
Shared: Platformer · Indie · Pixel Graphics
Katana ZERO
Shared: Action · Platformer · Pixel Graphics
Freedom Planet
Shared: Action · Platformer · Female Protagonist
SANABI
Shared: Action · Pixel Graphics · Indie
Axiom Verge
Shared: Indie · Platformer · Action
Hollow Knight
Shared: Platformer · Indie · 2D
Bloodstained: Curse of the Moon
Shared: Action · Platformer · Retro
The Messenger
Shared: Platformer · Retro · Indie
Defy Gravity Extended
Shared: Indie · Platformer · Action
VVVVVV
Shared: Platformer · Indie · Pixel Graphics
Bright Memory: Infinite
Shared: Action · Female Protagonist · Indie
Gato Roboto
Shared: Indie · Action · Platformer
Bleed
Shared: Action · Indie · Platformer
Jump King
Shared: Indie · Platformer · Action
Hotline Miami
Shared: Action · Indie · Pixel Graphics
Gravity Circuit
Shared: Action · Indie · Platformer
Intrusion 2
Shared: Action · Indie · Platformer
Angry Video Game Nerd Adventures
Shared: Indie · Action · Platformer