Here is the full list of all 26 Extrorb achievements.
Score 100 points total.
Finish your first game.
Yup, that just happened.
Earned 1000 points on Arcade.
Earned 1000 points on Digital.
Earned 200 points on Forest.
Earned 1000 points on Hoops.
Earned 1000 points on Iceberg.
Earned 1000 points on Mountain.
Earned 1000 points on Spinner.
Earned 1000 points on Spinner 2.
Score 500 points total.
Score 1000 points total.
Score 10,000 points total.
You've exploded 500 times.
You've exploded 1000 times.
You've exploded at least 10,000 times!
Play at least 100 games.
Play at least 500 games.
Play at least 1000 games.
Finish your first multiplayer game.
Play at least 100 multiplayer games.
Play at least 500 multiplayer games.
Play at least 1000 multiplayer games.
Your first smashed pumpkin.
You really hate pumpkins!