Games like UnBorn
Games like UnBorn include KovaaK's, Aimlabs, WARDOGS, Contractors, and Into The Flames. We matched them by the tags players give UnBorn on Steam (Action, Indie, Casual, Simulation, and FPS): closest matches first, and among equally close ones the better-known games.

KovaaK's
Shared: Action · Simulation · Indie

Aimlabs
Shared: Action · FPS · Simulation

WARDOGS
Shared: Action · FPS · Simulation

Contractors
Shared: Action · Indie · FPS

Into The Flames
Shared: Action · Simulation · Casual

Goat Simulator
Shared: Simulation · Casual · Indie

Retrowave
Shared: Indie · Casual · Action

SUPERHOT
Shared: Action · Indie · FPS

Dead Bits
Shared: Action · Indie · Casual

Oblivity - Find your perfect Sensitivity
Shared: Action · Indie · Simulation

Garry's Mod
Shared: Casual · FPS · Simulation

Angels Fall First
Shared: Action · Indie · FPS

Total Tank Simulator
Shared: Action · Simulation · Indie

How to Fish
Shared: Indie · Action · FPS

Achievement Clicker
Shared: Casual · Indie · Action

Bright Memory: Infinite
Shared: Action · Indie · FPS

Gang Beasts
Shared: Action · Casual · Indie

Arma 3
Shared: Action · Simulation · FPS

Moving Out
Shared: Action · Casual · Indie

Interstellar Marines
Shared: Action · Indie · FPS

Prison Simulator
Shared: Casual · Simulation · Action

Receiver
Shared: Indie · Simulation · FPS

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Viscera Cleanup Detail: Shadow Warrior
Shared: Simulation · Indie · Action