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