Here is the full list of all 15 Air Brawl achievements.
Crash for the first time!
Complete the tutorial
Win your first game
Win 10 games
Win 100 games
Win 1000 Games
Win 10000 Games
Get your first kill
Get 100 Kills
Get 1000 Kills
Crash 100 Times
Crash 1000 Times
Get killed by one of the developers
Kill one of the developers
Capture your first flag