OCO achievements

collect a total of 500 deltas

create an ultimate level

have a number 1 top level at the end of the month

promote someone else's level

share your score 50 times

give 2000 likes in 'explore'

play for 100 hours

complete 5 worlds in perfect taps and time

see your level on the 'top level' page

receive 50 likes for a level you've created

receive 1000 likes

collect 100000 bits