Full list of all 18 Raskulls achievements worth 300 gamerscore. It takes around 8-10 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 12 achievements worth 200 Gamerscore, and there are 2 DLC packs containing 6 achievements worth 100 Gamerscore.
Turns out he was the evil Captain Turncoat! What a twist!
You Frenzied for over 10 seconds! Your Frenzy skills pay the bills.
You've won your first race!
You won 5 Xbox LIVE Grand Prix matches.
You totally won by using that Raskull as a stepladder to awesome.
You launched 10 Raskulls. Good grief!
Unleash your power and defeat the boss at the end of Chapter 2.
Complete the Mega Quest and bring peace to the Raskulls.
Collect every Medallion in the Mega Quest.
Win a four-player local Grand Prix match – and don't forget to brag about it!
Hit three other Raskulls with a single Flame Charge.
Destroy 20,000 blocks across all modes. (That is, the small blocks that make up the big blocks.)
Finish the Shiny Stone Cup without being crushed.
As Kitten, win a race with a Stun All in reserve.
As Viking, rebound a Flame Charge with Wand Push.
You won Tempest Tunnels by Flame Charging upwards to the Finish. Hot skills!
You kept your cool and finished the Halfbrick Cup without being burnt by lava.
Those other Raskulls were no match for Battlebones!