Games like UFO ENEMY KNOWN
Games like UFO ENEMY KNOWN include Goat Simulator, People Playground, BeamNG.drive, Teardown, and Besiege. We matched them by the tags players give UFO ENEMY KNOWN on Steam (Action, Destruction, Procedural Generation, Aliens, and Physics): closest matches first, and among equally close ones the better-known games.

Goat Simulator
Shared: Simulation · Destruction · Physics

People Playground
Shared: Physics · Destruction · Simulation

BeamNG.drive
Shared: Destruction · Physics · Simulation

Teardown
Shared: Destruction · Physics · Sandbox

Besiege
Shared: Destruction · Physics · Simulation

Hot Dogs, Horseshoes & Hand Grenades
Shared: Physics · Simulation · Gun Customization

Garry's Mod
Shared: Physics · Casual · Sandbox

Wreckfest
Shared: Destruction · Action · Simulation

Turbo Dismount™
Shared: Destruction · Physics · Action

Just Cause™ 3
Shared: Action · Destruction · Physics

Kill It With Fire
Shared: Action · Destruction · Simulation

Brick Rigs
Shared: Destruction · Physics · Simulation

Red Faction Guerrilla Steam Edition
Shared: Destruction · Action · Physics

Fun with Ragdolls: The Game
Shared: Action · Physics · Simulation

Totally Accurate Battle Simulator
Shared: Simulation · Physics · Sandbox

Just Cause 4 Reloaded
Shared: Action · Destruction · Physics

BONEWORKS
Shared: Action · Physics · Sandbox

THE FINALS
Shared: Destruction · Action · Character Customization

Hard Bullet
Shared: Action · Physics · Simulation

GoreBox
Shared: Physics · Sandbox · Action

Instruments of Destruction
Shared: Destruction · Action · Physics

BONELAB
Shared: Action · Physics · Sandbox

Goat Simulator 3
Shared: Physics · Character Customization · Simulation

BattleBit Remastered
Shared: Destruction · Action · Shooter