|Mastering the Underground||10|
|Complete all Bonus Levels|
There's 16 bonus stages total, which means you not only need 1,500 fireflies to unlock the Firefly Master achievement, but you need an additional 100 to unlock the last bonus stage you must complete for this achievement. Finish all 16 of the bonus stages from start to finish and achievement unlocked!
|Rate this achievement||Average Rating (Based on 1 votes)|
|You need to register before being able to post comments.|
|You need to log in or register to use MyAchievements.|
|You need to log in or register to rate games.|
User Score is based on 34 user ratings.