The bonus rooms can be unlocked in
Stage 2 and 4. They are rooms or stages that are accessible
through the main map when they are unlocked. They contain nearly
every ability that can be picked up, and taken to help with
other stages or against Dyna Blade herself.
Bonus Room 1
Abilities: Beam, Fire, Plasma,
Ninja, Mirror, Fighter, Sword, Bomb, Cutter, and Hammer. It also
has two tomatoes.
Bonus Room 2
Abilities: Wheel, Yo-yo,
Wing, Stone, Parasol, Jet, Freeze, Suplex, Copy, and Crash
(taken from Bomber near the exit)