To defeat Beliar, have guns and grenades. The blades do not work on him. Use the Magic Eye to find Beliar's weak point and shoot it. When you run out of guns, shoot the grenades at him. He must be defeated fast because if he powers up enough, you will lose. After Beliar is dead, go after Wulf. He will run around the room and attack you. Hit him as much as possible. After a couple hits, Rayne will stop and say "That was for Mynce". Wulf will tell her that she is pathetic, and the fight will continue. Repeatedly hit Wulf to win.
Enter the options menu and select "Cheat", then combine the columns of words to form one of the following codes. A message will appear to confirm correct code entry. Pause game play, then enable the cheat from the menu:
CHEAT FUNCTION - CHEAT CODE God mode - TRIASSASSINDONTDIE Restore health - LAMEYANKEEDONTFEED Fill Bloodlust - ANGRYXXXINSANEHOOKER Time Factor mode - NAKEDNASTYDISHWASHERDANCE Level select - ONTHELEVEL Secret level - BRIMSTONEINTHEBAYOU Enemy Freeze - DONTFARTONOSCAR Show Weapons - SHOWMEMYWEAPONS Gratuitous Dismemberment mode - INSANEGIBSMODEGOOD Juggy mode - JUGGYDANCESQUAD