xGreed is a source port of the game "In Pursuit of Greed"
General
"In Pursuit of Greed" is a 1995 FPS game developed by Mind Shear Software and published by SoftDisk.
The game engine is based on the "Raven Engine", a successor of Wolf3d engine, featuring floor and ceiling texture-mapping, variable heights and slopes.
xGreed is based on the original DOS source code and an unfinished source port for Windows, that was released by the developers of the game.