Here is the full list of all 33 Polyball achievements.
In the hour you have spent airborne
A master jumper! 2000 (mostly) successful jumps!
You have conquered the Desert
Are you broken yet?
You have conquered the Volcano
800 jumps, I bet you think you are getting pretty good
What more is there to say?
You are Lord of the Forest
Collected all of the hidden Forest trophies!
You have conquered the Great Forest
Get used to it
110?!?! Are you crazy?!
60 jumps, a drop in a bucket
You'll get used to air control
Travel 1km
40 is a pretty decent speed, but you can do better
Travel the circumference of the Earth, or 40,075 km
You have conquered Space
You have conquered limbo
You withstood the heat and finished!
You escaped into the void
You escaped the void, but into what?
You have crossed over
You are a master of the sky. 2 hours of flight time.
Destroyer of worlds
Collected all of the hidden Volcano trophies!
Collected all of the hidden Desert trophies!
Collected all of the hidden Space trophies!
Collected all of the hidden Limbo trophies!
Collected all of the hidden Otherworld trophies!
You have conquered Otherworld
You have completed the game!
Collected all the trophies!