Bonus Rangers 
     Collect  all  the  "R", "A", "N", "G", "E", "R" letters hidden in
one of the following levels to unlock the corresponding bonus Ranger:

Unlockable:                   How to unlock:
Blue Galaxy Ranger            Lost Galaxy: Part One level 
Blue Mighty Morphin Ranger    Mighty Morphin: Part Two level 
Blue Overdrive Ranger         Operation Overdrive level 
Blue Wind Ranger              Ninja Storm: Part One level 
Green Samurai Ranger          Ninja Storm: Part Two level 
Lunar Wolf Ranger             Super Legends level 
Red SPD Ranger                Space Patrol Delta: Part Two level 
Red Wild Force Ranger         Lost Galaxy: Part Two level 
Yellow Mighty Morphin Ranger  Mighty Morphin: Part One level 
Yellow SPD Ranger             Space Patrol Delta: Part One level