Channeling Stone Beat the game with the best ending. (Thanks to Timbaaland@aol.com)

Extra Options Go to the options menu and enter the following: L1, L2, R1, R2. (Thanks to Timbaaland@aol.com)

Katana Sword Beat the game with ending 3 or 4, then go to the room that was locked before in the hall. (Thanks to Timbaaland@aol.com)

Rock Drill, Chain Saw, Gas Can Beat the game with ending 1 or 2. (Thanks to Timbaaland@aol.com)

Switch Combination Before you fight the giant lizard (the first boss) there will be two levers. Turn the right lever two times then turn the left lever one time. The spike blocking the way will move and you will have access to fighting the giant lizard. (Thanks to Timbaaland@aol.com)