No missable achievements (plus 12 unknown)
Sign in with Steam or Xbox to track your progress, and:
Complete first chapter.
Complete spring season.
Complete summer season.
Complete autumn season.
Complete winter season and defeat the Ice Giant.
Complete the story under 20 helps.
Complete the masterpiece.
Score over 10000 points in the balloon minigame.
Find all bones.
Complete the story with the score over 42000 points.
Score over 10000 points in the car minigame.
Score over 10000 points in the boat minigame.