Single-player games like Illegal Simulator
Below are 9 single-player Steam games similar to Illegal 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 Illegal Simulator page.
Ranked picks
- 1

The Turkish Bazaar
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Strategy and Simulation with Illegal Simulator.
"The Turkish Bazaar" offers players a true bazaar vendor experience. Purchase products wholesale from the hal, load your vehicle, set up your stall, and engage with dynamic customers to become the most successful vendor in the bazaar!
- 2

AirportSim
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Simulation with Illegal Simulator.
AirportSim is an Advanced Airport Ground Handling Simulator with true-to-life visuals and operations, licensed planes and vehicles, real airports and live weather conditions. Enjoy the many tasks alone or with friends, making this experience unforgettable.
- 3

The Guild 3
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Strategy and Simulation with Illegal Simulator.
The Guild 3 is a fascinating trade and life simulation that takes place during the late Middle Ages. Step into the shoes of a citizen, acquire businesses and mansions, produce goods and trade them, start intrigues in politics and society, love, hate, bribe, fight and live through good and bad times!
- 4

Bazaar Simulator
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Simulation and Early Access with Illegal Simulator.
Set up stalls with fresh vegetables, fruits, and fish. Deliver customer orders, set prices, and expand your bazaar. Catch your own fish to sell and enjoy fishing's thrill. Collaborate with friends in multiplayer mode to manage the bazaar together. Much more is coming soon!
- 5

Tropical Resort Simulator (Paradise Beach Simulator)
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Simulation and Early Access with Illegal Simulator.
Transform an abandoned island into a thriving business. Install fun activities, open your restaurant, maintain your equipment, manage your staff. It's time to open the beach, you're ready to welcome your first customers!
- 6

Truck & Logistics Simulator
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Strategy and Simulation with Illegal Simulator.
Load, drive, and deliver through a huge open world with up to 24 players in cross-platform multiplayer. Join your friends in exciting heavy transport convoys. Jump into the driver's seat of more than 30 unique vehicles and carry out complex loading tasks to deliver a variety of cargo.
- 7

Banker Simulator
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Simulation and Early Access with Illegal Simulator.
Banker Simulator is a single-player game where you revive a bankrupt bank. With active and passive (idle) gameplay, make strategic decisions to grow your bank, satisfy customers, and tackle financial crises.
- 8

Rewind 99
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required. Shares Simulation with Illegal Simulator.
You're the last remaining video rental store. From humble VHS clerk to rental racketeer - run your video store and explore Reshoot Springs, building an underground empire. Expand with upgrades, side hustles, store membership, and more. Whatever it takes to survive - solo or in up to 4-player co-op.
- 9

Out Of Mind
Single-player alternative to Illegal Simulator — playable solo, no multiplayer required.
Out Of Mind merges psychological thriller and puzzle genres, allowing players to confront their fears. Get lost in labyrinthine environments, solve mysterious puzzles, and unveil dark secrets. The game stands out with atmospheric design and a unique storyline.