Here is the full list of all 10 Karambola achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
You helped Celery shine and deal with their fear of failure.
You helped the cat come in from the cold.
You helped Kiwano fill their emptiness with music.
You helped Spruce Cone dance through their melancholy.
You helped Ginger notice beauty in the moment.
You helped Fennel realise they're loved and needed.
You helped Pumpkin breathe peacefully and fall asleep.
You helped Artichoke make friends with their biggest fear.
You helped Patisson communicate with their friend.
You managed to rescue Karambola's friends and befriend the Bird-Thoughts.