N - Achievements

Complete 15 Episodes 10 points: Complete 15 Single Player episodes.
Complete 30 Episodes 15 points: Complete 30 Single Player episodes.
Complete 40 Episodes 20 points: Complete 40 Single Player episodes.
Complete all 50 Episodes 25 points: Complete all 50 Single Player episodes.
Complete 5 Co-op Episodes 15 points: Complete 5 co-op episodes.
Complete 10 Co-op Episodes 15 points: Complete 10 co-op episodes.
Speed Demon 20 points: Win 10 races in ranked online matches.
Survivalist 20 points: Win 10 survival games in ranked online matches.
Disciple 5 points: Complete one tutorial episode.
Perfectionist 20 points: Complete an episode without dying in Single Player mode.
Treasure Hunter 20 points: Complete an episode and obtain every gold piece in Single Player mode.

Additionally there is one secret achievement which is currently unknown.

Secret achievement 15 points: Unknown