X2: Wolverine's Revenge

During Part IV: Grim Discoveries, after you have taken the elevator down into the cavern, you will face the Wendigo and three soldiers. Instead of feeding the soldiers to the Wendigo, knock the gun out of each of their hands and lure them to an open area. Next, position yourself so you can perform a level 3 strike on each of them simultaneously. You will be rewarded with 150,000 points and a dog tag if the "Claw Slam" Strike is successful. Finally, if you run away from the elevator, three more soldiers will rappel into the shaft with you. You can repeat the process as many times as needed for lots of points and dog tags. Note: If you die you will have to restart the level. For best results, use the "Invincibility" cheat.

At the main menu, press X, L, X, L, X, L(2), R to unlock level select and all challenges. Note: There are two side effects after using the level select cheat. First, stealth attacks no longer give you dog tags, which means you cannot advance to a higher strike level. Get all the tags you need before using the cheat. Secondly, when you save a game in which the level select code is used, the file is now marked with an "X" just before the time and date.

Wolverine's voice is done by Mark Hamill, who played Luke Skywalker. For the Juggernaut battle, he fights a man with ultra psychic powers wearing a helmet. Juggernaut uses the word "Force" every other line.

Go to the title screen and press X, L, X, L, X, X, L, R. Repeat several time to get everything unlocked.

At the main menu, press X, L, X, L, X(2), R, L to unlock all Cerebro files and FMV sequences.