To unlock new Treyarch Decks, pause during gameplay and hold L. Then press WHITE, B, UP, A, RIGHT, DOWN, START. The screen will shake if you've done the code properly.

To turn off the blood, pause during gameplay, then hold L. Press START, BLACK, A, B, START.

To unlock everything and complete the game 100% for each and every skater, pause the game, hold Left Trigger and enter this code: START, A, WHITE, UP, RIGHT, DOWN, A, Y, B, A, B, Y. If you enter the code correctly, the screen will shake. When you end your run, you'll discovered that everything has been unlocked: Spider-Man and Officer Dick, all skater movies and all levels, including the 2X and original levels.

Xbox owners rejoice! Tony Hawk's Pro Skater 2X combines two of the best skateboarding games of all time on one disc. So what does the X stand for? Extraordinary. Excellent. Extra levels. In addition to all of the Tony Hawk 1 and 2 levels, there are five new areas to explore: three Career Levels and two Free Skate areas that can only be unlocked by completing the Career. To help you do just that, we've crafted a guide to help you get the most out of the new levels in 2X... and you won't even skin your knee.

In addition, we've added strategy for all of the classic levels as well. We've also got full skater info, basic tips and all the secrets. So skate on in and let the winning begin.

The latest guides for the hottest games are available for IGN Insider subscribers. If you're not an Insider, you'll still want to check out IGN Guides, as we feature plenty of free and sponsored guides as well.

Click here to get the guide.

To unlock the Tony Hawk 2X levels, get Gold Medals in all three competitions in the THPS2 Career mode.

To unlock the original Tony Hawk Career mode, get a Gold Medal in the Tampa Bay competition in the THPS2X Career mode.

Do every gap in all the levels, even the ones listed as "2x". To figure out if you cleared each gap, go to Options and select "Gap Checklist".

When you 100% the THPS2X Career Goals, you will unlock the high flying Skyline level in Detroit, MI. Get up there and reap your lofty rewards!

To unlock the NY Subway Level, get every single Tape in the THPS1 Career levels.

To unlock Spider-Man, beat the THPS2 Career Mode with 100% on all levels with a created skater.

To unlock Officer Dick, beat the THPS2 Career Mode with 100% on all levels with any skater (besides the created skater).