Bombs-Purpose: Allows Samus to lay a bomb when morphed into a ball
Charge Beam-Purpose: Allows Samus to charge her beam, making it stronger.
Energy Tanks-Purpose: Allows Samus to hold another 100 energy.
Grappling Beam-Purpose: Allows Samus to grapple on to certain things, allowing her to swing. Also kill some enemies and opens blue doors
Gravity Suit-Purpose: Allows Samus to move freely underwater and through lava in some places.
Hi-jump Boots-Purpose: Allows Samus to jump higher.
Ice Beam-Purpose: Allows Samus to shoot a beam of ice. Also freezes enemies.
Missiles-Purpose: A weapon and used for opening pink doors.
Morphing Ball-Purpose: Allows Samus to roll into a ball to get in small passages.
Plasma Beam-Purpose: Splits Samus' beam in two beams, making it stronger. Cannot be used with Spazer. Also it is the more powerful than Spazer.
Power Bombs-Purpose: A weapon stronger then bombs and used for opening orange doors.
Reserve Tanks-Purpose: Allows Samus to refill one energy tank or 100 more energy.
Screw Attack-Purpose: Allows Samus to break through certain places and kill enemies while using Spin Jump.
Space Jump-Purpose: Allows Samus to jump up at any distance while Spin Jumping. Keep pressing the jump button while somersaulting in mid-air.
Spazer-Purpose: Splits Samus' beam into three beams, making it stronger.
Speed Booster-Purpose: Allows Samus to run at high speeds.
Spring Ball-Purpose: Allows Samus to jump while in ball mode.
Super Missiles-Purpose: A weapon that is stronger than missiles and used for opening green doors.
Varia Suit-Purpose: Protects Samus from extremely high temperature.
X-Ray Scope-Purpose: Allows Samus to see hidden passages.