Here is the full list of all 20 Joe Danger: Special Edition achievements worth 200 gamerscore.
So dangerous they named him twice! Collect all stars in career mode.
Unlock the credits level
Get 30 Combo Stars
Get 15 Time Stars
Conclude the fifth lab tour.
Conclude the fourth lab tour to be crowned the King of Chaos!
Get 5 Target Stars
Duck and dive through the third lab tour to become the Duke of Destruction!
Receive 1 level from a friend
Get a x100 combo
Send 1 level to a friend
Crash through the second lab tour to become the Commander of Catastrophe!
Conquer the first challenges in the lab to become the Maestro of Madness!
Get 5 Coin Dash stars
Collect all Pickups on 8 levels
Find 3 Hidden Stars
Get a level Combo Star
Get a Time Star
Get 4 stars in one run
Complete the first two levels