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.
You don't like looking back, do you?
Your first 10 achievements
You have saved the Island.
Perfection is what you seek!
2000 points is a lot, but I bet you can't do more!
Stalled progress
Improvement is what you seek!
You have shared your score at least once. Probably you can do it one more time?
You have experienced your first multiplayer game
Impressive game skills! You win 250 stars.
Now play the mini game
First game finished
Die at 666 points
Survive for 180 seconds
Play every day for a week
Score more than 200 for 3 consecutive games
Gather 20 achievements
Play the game 200 times
Use Save Me 20 times
Use Save Me 50 times
Score a total of 20000 points
Score a total of 200000 points