This Game is written using the Raycasting Library v3.1
and Purebasic 3.94

The Story is simple. You are a prisoner in a building on mars.
Try to escape the building. You must find keys to open
doors and try to survive with ammo and health.

Controls:

Move with arrow keys and shoot with ctrl key

System Requirements:

Windows 98 or XP
DirectX
DX Sound
Min 1 GHz
128MB Ram

Mike's Note:

A very simple FPS with basic graphics. I had a difficult time getting screenshots as the program conflicted with my capture software.