Games like Orbit
Games like Orbit include The Final Station, Primordia, Dome Keeper, Hyper Light Drifter, and Eastward. We matched them by the tags players give Orbit on Steam (Adventure, Pixel Graphics, Resource Management, Post-apocalyptic, and Time Management): closest matches first, and among equally close ones the better-known games.

The Final Station
Shared: Pixel Graphics · Post-apocalyptic · Adventure

Primordia
Shared: Adventure · Post-apocalyptic · Pixel Graphics

Dome Keeper
Shared: Post-apocalyptic · Resource Management · Pixel Graphics

Hyper Light Drifter
Shared: Pixel Graphics · Adventure · Indie

Eastward
Shared: Pixel Graphics · Adventure · Post-apocalyptic

Rain World
Shared: Pixel Graphics · Atmospheric · Adventure

Don't Escape: 4 Days to Survive
Shared: Adventure · Pixel Graphics · Post-apocalyptic

Stray
Shared: Adventure · Atmospheric · Robots

OneShot
Shared: Pixel Graphics · Adventure · Indie

Fallout 4
Shared: Post-apocalyptic · Adventure · Singleplayer

Terraria
Shared: Pixel Graphics · Adventure · 2D

Dead Cells
Shared: Adventure · Pixel Graphics · 2D

Forager
Shared: Pixel Graphics · Adventure · Indie

Keep Driving
Shared: Pixel Graphics · Adventure · Atmospheric

SANABI
Shared: Pixel Graphics · Adventure · 2D

Finding Paradise
Shared: Pixel Graphics · Adventure · 2D

FAR: Lone Sails
Shared: Adventure · Post-apocalyptic · Atmospheric

Dungeon Munchies
Shared: Pixel Graphics · Adventure · Indie

Celeste
Shared: Pixel Graphics · Indie · Adventure

MO:Astray
Shared: Adventure · Pixel Graphics · Indie

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

To the Moon
Shared: Pixel Graphics · Adventure · Indie

DISTRAINT: Deluxe Edition
Shared: Pixel Graphics · Adventure · Indie

The Rewinder
Shared: Adventure · Pixel Graphics · 2D