Games like Terra Earth
Games like Terra Earth include SANABI, Skul: The Hero Slayer, Shovel Knight: Treasure Trove, Broforce, and Out There Somewhere. We matched them by the tags players give Terra Earth on Steam (Adventure, Platformer, Action, Robots, and 2D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Adventure · Pixel Graphics

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

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

Broforce
Shared: Action · Platformer · Pixel Graphics

Out There Somewhere
Shared: Platformer · Adventure · Pixel Graphics

MO:Astray
Shared: Adventure · Action · Platformer

Axiom Verge
Shared: Platformer · Action · Pixel Graphics

Gato Roboto
Shared: Action · Adventure · Pixel Graphics

Gravity Circuit
Shared: Platformer · Action · 2D

Dead Cells
Shared: Adventure · 2D · Pixel Graphics

Hollow Knight
Shared: Platformer · 2D · Adventure

BEEP
Shared: Platformer · Adventure · 2D

Sonic Mania
Shared: Platformer · 2D · Adventure

Dungeon Munchies
Shared: Action · Adventure · Pixel Graphics

Dust: An Elysian Tail
Shared: Platformer · Action · Adventure

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

Celeste
Shared: Platformer · Pixel Graphics · Adventure

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

Rogue Legacy
Shared: Platformer · Action · 2D

ICEY
Shared: Action · Adventure · Side Scroller

Zombotron
Shared: Adventure · Action · 2D

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Pixel Graphics · 2D

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

Deadlight
Shared: Platformer · Action · Adventure