Here is the full list of all 32 Skyraine achievements.
Play with 2 players.
Play with 3 players.
Beat the game on easy.
Beat the game on normal.
Beat the game on hard.
Beat the game on brutal.
Kill 50 mech dogs with mines.
Die 50 times.
Place 200 autoguns.
Fire and activate 1000 vortex powerups
Fall to your death.
Rebuild your base after your turret has been destroyed in singleplayer mode (on normal difficulty or above).
Rebuild your base after your turret and shield generators have been destroyed in singleplayer mode (on normal difficulty or above).
Explode the shield.
Shoot a bomber with your rifle.
Kill a mech dog with your rifle.
Kill a corrosive bug with your rifle.
Kill your teammate with a mine.
Load a crate of mines into your turret.
Accidently blow yourself up with your own mine.
Kill 100 enemies with a single zappy powerup.
Have 1000 ammunition loaded in your turret at once.
Have an object get destroyed while you are carrying it.
Kill a shieldship using a single discblade.
Beat easy without leaving your turret.
Beat normal wihtout leaving your turret.
Vortex your own turret.
Get killed by a dart ship explosion while outside of the turret.
Get your turret taken by a suckership.
Have 100 mines floating in the air at once.
Load a different powerup into your turret after already having 500 of another powerup stocked up.
Push a dog across the lawn.