Simcity 3000 =link= Free →

SimCity 3000 Free: A Comprehensive Guide to the Classic City-Building Game

• SimCity 4 Deluxe (also not free).
• Citybound Beta (open-source city-building game).
• OpenStreetMap + Planning Tools for real-world simulations.

3. Steam

While SimCity 4 is heavily featured on Steam, the original SimCity 3000 availability on Steam has been inconsistent due to publishing rights. As of 2025, it is not reliably available on Steam in all regions, making GOG the superior choice. simcity 3000 free

• Pros: No install, runs in your browser.
• Cons: Save game support can be tricky, and performance depends on your browser.