Terrible and wast of time.
That was a big mistake from my side, the game is the most terrible game I have played in my very long gaming life.
Not because I hate FPS games I like many of them Lifeforce Tenka PSX, Medal of honor underground and many many others..but this one is even more bad than Quake.
The game have terrible grapfic and looks like something from a 8 bit console and all areas look like each other.
The sound is primitive and your enemyes say the same sound and they are not scary enough, but your weapen have a very good sound and you will find many marvelous weapens in this game.
The gameplay is simple kill everything there is in front of you and your gun and find a keycard to open the door there is closed.
I know I am almost alone with my opinion on this game, and that is okey we are all different, but I could not find the charm in this famous game.