Full list of all 13 112th Seed achievements worth 1,000 gamerscore. It takes around 0.5-1 hour to unlock all of the achievements on Xbox One.
Complete level 1
Complete level 2
Complete level 3
Complete level 4
Complete level 5
Complete level 7
Complete level 9
Complete level 11
Complete level 13
Complete level 15
Complete level 20
Complete level 25
Complete level 30