Here is the full list of all 18 XSection achievements.
Score 10 points in one game.
Score 20 points in one game.
Score 30 points in one game.
Score 40 points in one game.
Score 50 points in one game.
Score 60 points in one game.
Score 70 points in one game.
Score 80 points in one game.
Score 90 points in one game.
Score 100 points in one game!
Get 3 'Fast' ratings in a row!
Get 6 'Fast' ratings in a row!
Get 9 'Fast' ratings in a row!
Get 12 'Fast' ratings in a row!
Identify 20 meshes total.
Identify 50 meshes total.
Identify 100 meshes total.
Identify 150 meshes total.