The Flea Festival is one such occasion. How To Unlock The Flea FestivalYou'll Need To Find Every FleaTo trigger the Flea Festival event and obtain your last Pale Oil, you must rescue every flea. Beat the high score for all of these (listed on the board to the right of the Fleamaster) to obtain a Pale Oil. How To Beat Flea Juggle, Flea Dodge, & Flea BounceAll Three Will Test YouFlea Juggle is arguably the hardest of the bunch, and can be incredibly maddening, depending on your playstyle. If you need an extra boost, make sure you unlock the Flea Festival and earn that last Pale Oil.