Here is the full list of all 26 Runner2: Future Legend of Rhythm Alien achievements worth 400 gamerscore.
What were those giant things in the background of World 1? You are pretty sure you have no idea.
Completed 30 Rewards.
Completed 20 Rewards.
Perfect+?! That's unpossible!
Completed 10 Rewards.
Checkpoints are for suckers!
Complete 40 Rewards
Complete 50 Rewards
Complete 60 Rewards
Complete 70 Rewards
Complete 80 Rewards
Complete all 90 Rewards
Complete World 2
Complete World 3
Complete World 4
Complete the game
Beat 30 levels as alternate characters
Beat all levels on hard.
Dance 100 times
Get one Perfect in each level
Achieve a Triple Perfect+ in every level
Run 26.22 miles
Unlock a new character
Get one Perfect+ in each World
Get two Double Perfects in each World
Get three Triple Perfects in each World