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The Paralyzer is a weapon wielded by Samus Aran while in her Zero Suit, first appearing in Metroid: Zero Mission, only capable of stunning enemies. It also appears in Super Smash Bros. Brawl and Super Smash Bros. for Nintendo 3DS / Wii U as Zero Suit Samus's neutral special move. When used, Samus fires a blast from the gun that can stun opponents. The blast can be charged by holding down the special button, which increases the distance that the blast can travel and the duration of the stun effect.
In Super Smash Bros. for Nintendo 3DS / Wii U, the Paralyzer has two other variants. The first is Blast Shot, which fires faster and has a greater range, but does not stun and deals less damage. The second is Electromagnetic Net, which fires a larger blast that covers a greater range and explodes, dealing continuous damage, but it does not travel as far.