- OS: Windows XP/Vista/Win7
- CPU: 1.0 GHz
- RAM: 512 MB
- Direct X: 9.0
- Hard Disk: 672 MB
- Explore a city of mole-people
- Go on an underground adventure
- Save Rex from a City of Secrets!
City of Secrets game is distributed on a shareware basis. You can register your copy of the game at a cost of $6.99 (USD). On payment approval, we will send you the registration key that will remove all the limitations. Your registration will be valid for all future versions.