Here is the full list of all 10 The Game of Sisyphus achievements.
Getting beaten by a golem.
Congratulations! You are now a legend of this game.
The end is beginning to appear, but don't get cocky. The final stretch is always full of surprises. Are you ready?
Achieving maximum speed.
Out of bounds three times
60% achieved! Now you're starting to taste the true essence of the game.
There's more to go! You're doing well, but it's not even half yet.
Congratulations on taking the first step. You will be celebrated like this four more times.
Flipping the Bird
Achieving something before even starting the game, this must be a special beginning.