checked-no
=>Health Trick: Bring out your helper (which reduces your energy by half of
a block) and then suck him back in to regain a full block... a gain of 1/2.
=>Secret Rooms: In 3-1, search for a hidden room inside the first door. In
2-4, enter the large room with falling black balls, then make your way to
the last platform without a door... and press U.