Cross Set is a simple and brain-teasing new number puzzle game.
System requirements
Windows
OS
Windows XP or later
DirectX
Version 9.0
Storage
200 MB available space
Mac
OS
Mac OS X 10.7 or later
Storage
200 MB available space
Linux
OS
Ubuntu 12.04 or later, SteamOS
Storage
200 MB available space
Activation details
Go to: http://store.steampowered.com/ and download STEAM client
Click "Install Steam" (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don't have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process.
After successful code verification go to the "MY GAMES" tab and start downloading.