Easy "Explorer" Achievement...
	Various Achievements...

The golden skateboards are found by jumping over the ending crowd in the following levels:

Base Pro 4
Junkyard 5 (Amateur)
Neon City 4 (Amateur)
Port Pro 5
Urban 5 (Amateur)

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Combododragon (50 points)	Land a Combo of x25 or more.
Dizzy (100 points)	Land a 540 degrees Spin.
Explorer (50 points)	Find the 5 Hidden Golden Skateboards.
Half Way There (50 points)	Unlock all Amateur Challenges.
Hit the Spot (100 points)	Get a Score of 2M on a Spot.
Land Lover (50 points)	Achieve a total of 1000 Perfect Landings.
Locked On (50 points)	Achieve a total of 1000 Perfect Grinds.
Make your Mark (50 points)	Set a Score on 25 different Spots.
Professionalism (100 points)	Unlock all Pro Challenges.
So Many Points (100 points)	Land a 2M Point Combo in Career.
Technical Master (100 points)	Land 1 of every Trick.
Totally Radical (200 points)	Beat all Levels on Rad Mode.