About Idle City
Build a city that grows even while you are away. Place buildings, collect income and expand as your population grows. A relaxed idle game about planning and patience.
How to play Idle City
Build a city that grows even while you are away. Place buildings, collect income and expand. Use your mouse on a computer or your finger on a touch screen, and follow the prompts the game shows when it starts.
Tips for Idle City
- Collect your income often.
- Build what pays off fastest.
- Keep expanding.
Game details
- Game
- Idle City
- Category
- Arcade
- Built with
- Unity WebGL
- Download size
- About 41 MB, loaded once and then kept by your browser
- Added
- 14 October 2026
- Price
- Free, no account or download needed
Questions about Idle City
Is Idle City free to play?
Yes. You can play it in your browser for free, with no sign-up.
Do I need to install anything?
No. The game runs inside this page. The first visit downloads about 41 MB, so it may take a moment to start.
Can I play it on a phone or tablet?
Most modern devices can run browser games, but larger 3D games can be slow on older ones. If it feels slow, close other tabs and read our tips for smoother browser games.
The game does not work. What can I do?
Reload the page first. If the problem remains, tell us the game name and your device and we will look into it.