Here is the full list of all 18 Sphere Game Epic achievements.
died 50 times
died 250 times
completed level 1
completed level 2
completed level 3
completed level 4
completed level 5
completed level 6
completed level 7
completed level 8
completed level 9
completed level 10
completed level 11
completed level 12
completed level 13
took a coin
bought 14 skins
complete 13 levels with the invisible sphere