Single-player games like Route 66 Simulator
Below are 13 single-player Steam games similar to Route 66 Simulator, 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 Route 66 Simulator page.
Ranked picks
- 1

Road 66
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Route 66 Simulator.
ROUTE 66 SIMULATOR is a car building, fixing, and driving survival adventure. Earn money for food, gas, car parts, motels, and everything that will allow you to survive in the long journey.
- 2

Truck Mechanic: Dangerous Paths - Prologue
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Indie with Route 66 Simulator.
Truck Mechanic: Dangerous Paths - Prologue allows you to experience the events taking place before the story campaign of the main game. You will have to explore, fix, drive, deliver, repair, load, think, avoid, beware - simply be a truck driver.
- 3

Heat
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Indie with Route 66 Simulator.
Survive the wilderness, build a home, raise a family, and expand your territory. Gain power as President, deliver justice as Sheriff, fight for your tribe as Chief, or show some southern hospitality as Governor. Begin your new life in 19th century America.
- 4

My Summer Car
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Route 66 Simulator.
My Summer Car is the ultimate car owning, building, fixing, tuning, maintenance AND permadeath life survival simulator. You start the game with hundreds of loose parts and assemble both car and engine.
- 5

The Slaverian Trucker
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Route 66 Simulator.
The Slaverian Trucker is a Survival/Truck/Life simulator game. Make enough money to survive and expand your wealth in the harsh semi-post apocalyptic lands of Slaveria, doing legal and illegal work, while maintaining, fixing, building, repairing, tuning your trucks, cars and other vehicles.
- 6

Used Cars Simulator
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Indie with Route 66 Simulator.
Used Cars Simulator - trade used or stolen cars, fix and customize them, drive around, and explore the open world! Grow your business, complete quests, and have fun with a physics-based sandbox!
- 7

Rent A Car Simulator 24
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Simulation and Racing with Route 66 Simulator.
Rent A Car Simulator. Start by renting your first car. Expand your rental car fleet by purchasing different vehicles and grow your car rental business. Drive your cars and get them fixed when they break down. Find new customers. You can also develop your Rent A Car business by playing Co-Op.
- 8

The Crew™
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Racing with Route 66 Simulator.
The Crew is a revolutionary action-driving MMO, developed exclusively for next-gen consoles and high-end PCs that leverage new hardware capabilities to connect players online like never before. The Crew takes you and your friends on a wild ride across a massive, open-world recreation of the United States that is loaded with exciting...
- 9

Thief Simulator 2
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Indie with Route 66 Simulator.
The door to your robber’s career is waiting! Just crowbar the lock off and force your way through the threshold. Learn skills, collect tools and become a master of the thieving trade!
- 10

Crime Simulator: Playgrounds
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Indie with Route 66 Simulator.
Crime Simulator: Playgrounds is a short, chaotic, and hilarious entry in the Crime Simulator franchise. Throw hammers, spray pepper gas, and cause mayhem solo or with up to 4 players. Take over hideouts, complete absurd missions, and unleash destruction with the wildest weapons. No rules—just fun!
- 11

MLF: Pro Catch
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Route 66 Simulator.
Cast, catch, and compete in the most immersive fishing sim ever made. Explore legendary waters, battle over 40 unique fish species, customize real gear, and climb the leaderboards in online tournaments with real-world prizes.
- 12

Thief Simulator 2: Prologue
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Action and Indie with Route 66 Simulator.
Tired of political exploitation? Join me and let's rebuild our thieving business together! Let's steal cars, radios, and TVs - anything that catches your eye can be yours! Recall what it's like to be a thief in Thief Simulator 2: Prologue!
- 13

Cemetery Simulator
Single-player alternative to Route 66 Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Route 66 Simulator.
Carry the coffin with your crew and build the best necropolis! Dig graves, lower coffins, and keep everything tidy. Decorate the area to earn the prestige needed to unlock new sectors. Play solo or in co-op mode for up to 4 players, facing vandals and ghosts!