The Crash and Sunburn Add-on for Trials Rising has 9 achievements worth 110 gamerscore.
Beat all the stadium finals in Crash & Sunburn
Get a Gold medal or better in all the career tracks from Crash & Sunburn, including Extreme
Get your first diamond medal on any Crash & Sunburn track
Find all 18 squirrel collectibles in the Crash & Sunburn tracks
Make your way to outer space
Explore the crystal cave in Sustainable Mining
Break into the top secret lab in On The Ice
Grab the Golden Idol in Amazon Warrior
Get a platinum medal on every continent