Games like Mars Underground
Games like Mars Underground include To the Moon, SANABI, A Bird Story, Finding Paradise, and There Is No Game: Wrong Dimension. We matched them by the tags players give Mars Underground on Steam (Adventure, Indie, Free to Play, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
To the Moon
Shared: Indie · Adventure · Story Rich
SANABI
Shared: Pixel Graphics · Adventure · Story Rich
A Bird Story
Shared: Indie · Adventure · Pixel Graphics
Finding Paradise
Shared: Adventure · Pixel Graphics · 2D
There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Pixel Graphics
OneShot
Shared: Indie · Pixel Graphics · Story Rich
OMORI
Shared: Indie · Pixel Graphics · Story Rich
Impostor Factory
Shared: Adventure · Pixel Graphics · Story Rich
Reventure
Shared: Adventure · Indie · Pixel Graphics
Martial Law
Shared: Free to Play · Pixel Graphics · Adventure
Shovel Knight: Treasure Trove
Shared: Indie · Pixel Graphics · Adventure
Celeste
Shared: Indie · Pixel Graphics · 2D
Terraria
Shared: Adventure · 2D · Pixel Graphics
Papers, Please
Shared: Indie · Pixel Graphics · Story Rich
Beat Cop
Shared: Indie · Adventure · Pixel Graphics
UFO 50
Shared: Indie · Pixel Graphics · 2D
Undertale
Shared: Story Rich · Pixel Graphics · Indie
Thimbleweed Park™
Shared: Adventure · Indie · Pixel Graphics
DISTRAINT: Deluxe Edition
Shared: Indie · Adventure · 2D
Tales of the Black Forest
Shared: Indie · Adventure · Pixel Graphics
Samsara Room
Shared: Indie · Adventure · Free to Play
Out There Somewhere
Shared: Indie · Adventure · Pixel Graphics