Catacombs 1: Demon War is the first of a 3-chapter RPG/Adventure that puts you into the shoes of a brave young hero, building your strength to face long-buried secrets, deception and betrayal.
System requirements
Windows
OS
Windows 7 or higher
Processor
Pentium Quad Core or higher
Memory
2 GB RAM
Graphics
DirectX 9/OpenGL 4.1 capable GPU
DirectX
Version 9.0
Storage
610 MB available space
Sound Card
Recommended for music and sound
Additional Notes
1280x720 resolution required, supports gamepad
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.