Press 2, a, and Enter at the same time. Next Press F10
and N at the same time. Now You are at the "No Clipping"
mode. You can go through walls.

Yaakov katz

press 2,a,and enter at the same time and than press f10 W=warp to level 1-18

julian blackhirst

Pressing t, a, and b all at the same time gives lives and guns

Heather Cherrone

Press A 2 Enter at the same time... Press... F10 Y Reveals hidden areas F10 D You can record your own demo F10 C Find out the number of active/inactive objects in that level F10 E End or finish the current level F10 B You can set the color of the border F10 M Memory usage display F10 S Slow motion F10 V Add 0-8 VBLs * To get to the "hand" pyramid, go in the Pyramid of the Moons. Take the yellow diamond and go down. Use the diamond on the second yellow gem hole. Then collect (they'll follow you) 12 yellow worms by Keen's feet. They will all turn into a huge foot. Jump on the foot and it'll take you there. * Also, stand on the little moon on the floor. Keen will moon you.