* Note: It is generally believed that the gas mask does not help, though some have claimed that they were not damaged by the Purple Monster when they had it on.
POTIONS:
Clear Blue: healing
Bubbling Red: time slowing
Pale violet: temporary invulnerable/iron skin
Thick Brown: poison -> to get by the Green Ooz
CRYSTALS:
(Judicious usage of crystals is strongly recommended; i.e., don't use them unless it's absolutely necessary)