X-Space '92: On a floppy disk hidden in the madness level. Just after the reception desk section through to the right in the center of the corridors with all the mental patients there is a room with the shotgun. On the top of one of the shelves is a floppy disk. Use Telekinesis to reach it. Use in any computer on the level to play, the reception computer is closest.

Earth Impact: On the reliance level in the right hand building on the ground floor is an arcade machine. Both of these games High scores are tracked in your statistics menu.

In the Experimentation level you will find a decontamination room with the door locked. If you want to open that door you need to use Telekinesis in one fan behind the cristal in the left of the door to accelerate the decontamination process.

In madness there is a look out tower. Go up it and u will have to climb down but don’t drop or you will die. Climb to the other side and there will be a sniper and a switch. Flip the switch and kill every one with either the sniper rifle or with psi-powers. Aim your TK at the top of the building and lock on to the key. Pull it to you, then climb down and go to the outhouse on your left. Open it and there is a shot gun.

In madness, the out house by the wooden house has a medicine ball in. Don’t walk on top of it or it will go under ground. Use your TK to pick it up and throw it into people.

In the training level, when youre finished with the handgun training and the solider tells you to go back through the course (this time with a gun) don't immediately go through the door. Instead, go back up to where you first entered the level, all the way to the end of the hall to locker room. There will be an assault rifle laying on the floor.