Full list of all 22 Cosmo Run (Windows) achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Windows.
Persistence seems to be your best quality!
Y.O.U A.R.E T.H.E B.E.S.T
20 achievements gathered
You have found your inner darkness
You are getting good at this...
20000.... but can you do more?
You have saved the Island.
You don't like looking back, do you?
Scored more than 200 in 3 games
Yes, a true fan!
Perfection is what you have achieved.
Your first 10 achievements
Impressive game skills! You win 250 stars.
180 seconds... impressive!
Now play the mini game
2000 points is a lot, but I bet you can't do more!
Stalled progress
Perfection is what you seek!
You have shared your score at least once. Probably you can do it one more time?
Improvement is what you seek!
First game finished
You have experienced your first multiplayer game