Offensive items are designed to deal damage, launch opponents, or otherwise disrupt their game. Mastering their use can be crucial in item-heavy matches.

- Smash Ball: The most iconic item. Breaking it allows the user to unleash their character's unique and devastating Final Smash. Prioritize breaking this!
- Assist Trophy: Summons a character from another Nintendo game who will fight alongside you for a short period, often with powerful attacks or unique effects.
- Poké Ball: Releases a random Pokémon that will attack opponents or provide a beneficial effect. Some Pokémon are incredibly powerful.
- Ray Gun: Fires a rapid stream of weak projectiles. Good for racking up damage from a distance.
- Super Scope: A more powerful projectile weapon with a charge shot.
- Beam Sword: A melee weapon that extends your reach and increases attack power.
- Hammer: Transforms the user into Hammer Bro., allowing them to repeatedly slam opponents with immense power. Invincible during the animation.
- Home-Run Bat: A powerful melee weapon that can launch opponents incredibly far with a fully charged smash attack.
- Bomb: A throwable explosive that deals significant damage. Be careful not to get caught in your own blast!
- Motion-Sensor Bomb: Sticks to surfaces and explodes when an opponent gets close. Great for setting traps.
- Smart Bomb: Creates a massive explosion that sucks in nearby opponents before launching them.
- Gooey Bomb: Sticks to opponents and explodes after a short delay.
- Fire Flower: Shoots a continuous stream of fire.
- Star Rod: A melee weapon that can also fire stars as projectiles.
- Bumper: A bouncy object that pushes characters away on contact.
- Deku Nut: Stuns opponents in a small radius.
- Black Hole: Sucks in nearby opponents, leaving them vulnerable to follow-up attacks.
- Bullet Bill: Transforms the user into a Bullet Bill, launching them across the stage for a powerful, one-hit KO.
Knowing which items do what and how to best utilize them is a key skill in item-enabled Smash battles. Always be aware of item spawns and try to control them.