Single-player games like Timothy vs the Aliens
Below are 13 single-player Steam games similar to Timothy vs the Aliens, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Timothy vs the Aliens page.
Ranked picks
- 1
Grand Theft Auto III
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
Welcome to Liberty City. Where it all began. With stellar voice acting, a darkly comic storyline, a stunning soundtrack and revolutionary open-world gameplay, Grand Theft Auto III is the game that defined the open world genre for a generation.
- 2
Grand Theft Auto: Vice City
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
Welcome to Vice City. Welcome to the 1980s. From the decade of big hair, excess and pastel suits comes a story of one man's rise to the top of the criminal pile.
- 3
Enforcer: Police Crime Action
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
A new breed of Police Simulator, Enforcer demands you show exceptional bravery in the line of duty while under pressure and enemy gunfire.
- 4
Vivat Slovakia
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
Vivat Slovakia is an open-world action game set in '90s Slovakia, where corruption runs deep and law enforcement is weak. Uncover a gripping story based on true events as you explore and shoot your way through a city at the crossroads of Eastern Europe’s turbulent history.
- 5
Motor Assailant
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action with Timothy vs the Aliens.
Fast-paced vehicular shooter. Drive a combat vehicle of your choice, shoot your way through multiple battlefields, fight giant bosses, dodge asteroids and witness cataclysmic events.
- 6
Star Control®: Origins
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.
- 7
Destroy All Humans! 2 - Reprobed
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
Crypto is back with a license to probe. The alien invader returns, groovier than ever. Experience the swinging ‘60s in all its chemical-induced glory and take revenge on the KGB for blowing up your mothership. You’ll have to form alliances with members of the very species you came to enslave.
- 8
Grandpa High on Retro
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Indie with Timothy vs the Aliens.
Grandpa goes on a third person, action adventure killing rampage, with his grandson after his smoking session was interrupted by a phone call.
- 9
Oxide Room 104
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Indie with Timothy vs the Aliens.
A bone-chilling body-horror game with escape room gameplay. Bad decisions have brought Matthew to this terrifying motel. Now it’s up to you to decide how to escape - will you make it out alive?
- 10
Gigantosaurus The Game
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Adventure with Timothy vs the Aliens.
The most exciting episode of Gigantosaurus yet is one you get to play in. But will you be the most roarsome explorer or the fastest racer? Play together with friends and family to help Rocky, Tiny, Mazu and Bill save the day – before dino-dashing to the next zone. Dinosaurs have never had such giant fun!
- 11
Naught
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Indie with Timothy vs the Aliens.
Test your skills, take control of the environment, and guide Naught through a dark underground world full of mystery. A platform videogame with a unique control that will immerse you in deep labyrinths in search of the light.
- 12
Flying Soldiers
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Indie with Timothy vs the Aliens.
Get ready to command an odd squad of fun birds and devise a plan to bring them safe and sound to the end of the battlefield. An outlandish puzzle game that will challenge your mind to make these greenhorn recruits into brave soldiers.
- 13
Oxide Room 208
Single-player alternative to Timothy vs the Aliens — playable solo, no multiplayer required. Shares Action and Adventure with Timothy vs the Aliens.
Eight people trapped in an old laboratory will try to survive their last moments in this action-packed, terrifying body horror game. Oxide Room 208 challenges you to face your fears in a dark and twisted environment where the boundary between flesh and insanity blur.