Here is the full list of all 26 Aloof achievements.
Still not taking prisoners.
Abandon ship.
Nice bunny.
Be fast and cancel the cut scene.
Use what you have.
Sometimes we need to make new enemies.
Player 2 did it!
Dont go easy.
Dont let them get away.
Nicer bunny.
Be a better bunny.
Go gentle.
Sometimes it is not easy to be nice.
Do no harm.
Just a flesh wound.
He will live.
Sink it.
No land ahoy.
No safe haven.
Clear the decks.
Rock the boat.
No friendship.
Bring every turtle home.
Win the first online round
Win the second online round
Win the online final round