Here is the full list of all 10 Air Forte achievements.
Reach Infinite level 4 with four players.
Complete Infinite level 5.
Complete Challenge under 60 seconds.
Complete a practice session at the highest difficulty.
Complete Challenge with two or more players.
Collect 227 bubbles.
Complete the Adventure
Complete any level with four players.
Collect 1000 bubbles.
Complete Infinite level 10.