I've been enjoying reading your ideas in the mode ideas topic, so I thought I'd make a similar one for events.

Post your original ideas for events. Creativity and uniqueness are highly encouraged - a bunch of 1v1 fights aren't too interesting! Make sure to use characters/stages that are actually in the game, though.

Please note that this is for original ideas only. Do not post things that are in the official Smash Bros. games in this topic. Use the following format:

Title: Over 9000!

In-Game Description: Fight with blinding speed and overcome Ichigo's equally fast Flash Step technique!

Players:
P1: Goku, default costume
P2: Ichigo, default costume

Rules: 3 stock, Turbo mode, Heavy gravity.

Stage: Planet Namek

Terms of Victory: Take out all of Ichigo's stocks.

Terms of Failure: Lose all of your stocks.

Additional Details: N/A

Title: Mushroom Invasion

In-Game Description: Defend the Sky Sanctuary from Mario and Yoshi.

Players: Player 1: Sonic, Player 2: Tails, Player 3: Mario, Player 4: Yoshi.

Rules: 3 Stocks, 6 Minutes.

Stage: Sky Sanctuary

Items: Koopa Shells, Bob-omb, Super Mushroom, Poison Mushroom.

Terms of Victory: Defeat Mario and Yoshi within the time limit.

Terms of Failure: Have Sonic or Tails lose all of their stocks, or let the timer expire.

Additional Details: Hazards will be on, so the falling blocks will be there.

Title: Dream Eater Breakout

In-Game Description: The Dream Eaters seem to have taken a new form, take them out as soon as you can!

Players: Player 1: Sora, Player 2: Kirby, black and white costume, Player 3: Kirby, black and white costume Player 4: Kirby, black and white costume

Rules: 1 Stock Sora, 4 Stock Kirby, 2 Minutes (or whenever the sun sets on Twilight Town).

Stage: Twilight Town

Items: None

Terms of Victory: Defeat all the 'Dream Eaters' within the time limit.

Terms of Failure: Lose all your stocks, or let the timer expire.

Additional Details: The 'Dream Eaters' will be like Multi Man fights, but they have a bit more resistance than the Multi Men.

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Title: Strongest Mage/Deadliest of Curses

In-Game Description: There seems to be some other magic users in town, can you take them out while still being poisoned? / These guys seem to be ready for a fight. Too bad you had no antidote!

Players: Player 1: Isaac, Player 2: Black Mage, Player 3: Ness

Rules: 2 Stock Isaac, 2 Stock Black Mage and Ness

Stage: Golden Sun stage or Smashville

Items: None

Terms of Victory: Defeat Ness and Black Mage

Terms of Failure: Lose all of your stocks

Additional Details: Isaac has the poison/Lip's Stick effect throughout the fight.

Title: WOMBO COMBO!!!

In-Game Description: That ain't Falco. Where you at?

Players:
P1: Captain Falcon, Green Team, 65%
P2: Fox, Green Team, 90%
P3: Fox, Blue Team, 0%

Rules: 1 stock

Stage: Battlefield

Items: N/A

Terms of Victory: Defeat Fox in 8 seconds

Terms of Failure: Die, fail to kill Fox in time

Additional Details: Original idea from Project M which was based off the original Wombo Combo video. Can be played with two players.

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Title: Marshmallow Warfare

In-Game Description: Only one can be the pink puffball of destruction.

Players:
P1: Jigglypuff, default costume
P2: Kirby, default costume
P3: Jigglypuff, red costume
P4: Kirby, red costume

Rules: 2 stocks, 6 minutes

Stage: Mirror Chamber

Items: N/A

Terms of Victory: Be the last one standing

Terms of Failure: Die, fail to defeat all in time

Additional Details: Hazard is on

This^

User was warned for this post

This made my night.

Title: Neon Genesis Evangelion

In-Game Description: Deploy all Units! Don't let that Angel attack Fourside!

Players:

P1: Purple Samus recolor
P2: Red Jigglypuff recolor

Rules:
P1: 2 Stocks P2: 3 Stocks
5 Minutes
"Heavy" and "Giant" activated.

Stage: Fourside

Items: None

Terms of Victory: Defeat Jigglypuff

Terms of Failure: Lose all your lives

Additional Details: N/A

Event Name:Shonen All-Stars
Character u play as:Choice
Description:Hold your own against these anime/manga characters!
Rules:(you) 3 Stock
(them) 2 Stock
(no time limit) (Items on)
Stage: Final Destinaton
Terms Of Victory:U KO'd them all
Terms Of Failure:U lose ALL your stock


SEEMS LIKE A GOOD IDEA TO ME!

You forgot the enemies

In-Game Description: Uzumaki Barrage

Players:
P1: You Pick, Red Team
P2: CPU Naruto lv9, Blue team
P3: CPU Naruto lv9, Blue team
P4: CPU Naruto lv9, Blue team

Rules: 2 Stock

Stage: Hidden Leaf Village

Items: None

Terms of Victory: Take out all Narutos stock

Terms of Failure: Lose all your stocks to all Narutos

Additional Details: N/A

I had a similar idea but with a twist. Make it so two of the Narutos couldn't do any special moves, as if they were shadow clones. And to win you just have to beat the real one which has limited stocks, while the clones have infinite ones.

I recommend the events I made for the original SSF2 challenges topic.
I made those with special care.

Copy and paste them here.

Challenge #1: Critical Mode

Description: Defeat all the Black Mages without taking damage.

You: Sora
Opponents: 3 Lvl. 9 Black Mages on Blue Team.
Stage: Lunar Core
Stock: 1

Rules:
1. Hazards are on.
2. Quit the challenge if you get damaged.

Hint: Remember Black Mage's attacks are sluggish, be patient.
*Add Bob-Ombs, set Item Frequency on Very High.


Challenge #2: (Donk)King Kong

Description: Defeat Donkey Kong without taking damage.

You: Lloyd
Opponents: 1 Lvl. 9 Donkey Kong
Stage: Gangplank Galleon
Stock: 1

Rules:
1. Hazards are on.
2. Quit the challenge if you get damaged.
3. Damage Ratio on x0.5.

Hint: There's only one thing you gotta use.
*Add Super Mushroom, set Item Frequency on Very High.


Challenge #3: Hey You, Jigglypuff!

Description: Defeat the Foxes without losing a stock.

You: Jigglypuff
Opponents: 3 Lvl. 9 Foxes on Red Team.
Stage: Hyrule Temple
Stock: 3

Rules:
1. Quit the challenge if you lose a stock.
2. Damage Ratio on x2.0.
3. Start Damage is on 999%.

Hint: Make sure you hit at the right timing.
*Add Assist Trophy, Put Item Frequency on Very High.


Challenge #4: Not If I Smash You First!

Description: Defeat the Sonics.

You: Ichigo
Opponents: 3 Lvl. 9 Sonics on Red Team.
Stage: Shadow Moses Island
Stock: 1

Rules:
1. Set Item Frequency on Very High, Add Smash Ball.

Hint: Get the Smash Ball first!
*Add Maximum Tomato.


Challenge #5: Sega Pinball

Description: Defeat the Sonics without losing a stock.

You: Sonic
Opponents: 3 Lvl. 1 Sonics on Green Team.
Stage: Casino Night Zone
Stock: 3

Rules:
1. Quit the match if you lose a stock.

Hint: GO!!!!!!
*Set to lvl.9 difficulty


Challenge #6: Aliens Want All Food!

Description: Heal yourself back to 0%.
You: Jigglypuff
Opponents: 3 Lvl. 5 Ichigos on Green Team.
Stage: Fourside
Time: 99:00

Rules:
1. Hazards on.
2. Starting Damage set at 300%.
3. Add Heart Container, Set Item Frequency to Very High.
4. Change Damage Ratio to x2.0.

Hint: You're free to kill anyone, but make sure you hit them!
*Set to lvl. 9 difficulty


Challenge #7: Ground-it-Kong

Description: Ground all 3 Ness' using DK's headbutt, all three must be grounded.
You: Donkey Kong
Opponents: 3 Lvl. 5 Ness' on Green Team.
Stage: Hidden Leaf Village
Time: 99:00

Rules:
1. Start Damage Set at 999%
2. Change Damage Ratio to x2.0.

Hint: Make sure you don't headbutt Ness if there's another Ness close to him.
*Set to lvl. 9 difficulty


Challenge #8: We Fight Till The Very End!

Description: Survive until you make it to the volcanic part of Castle.
You: Metaknight
Opponents: 3 Lvl. 1 Lloyds on Green Team.
Stage: Castle Siege
Time: 99:00

Rules:
1. Start Damage Set at 999%.
2. Change Damage Ratio to x2.0.
3. If you get KOed, quit the match.

Hint: A surrounding attack?
*Add Bumpers, Set Item Frequency to Very High


Challenge #9: Mama Yoshi

Description: Capture all Jigglypuffs in eggs, all three must be in eggs.
You: Yoshi
Opponents: 3 Lvl. 1 Jigglypuffs
Stage: Yoshi's Island
Time: 99:00

Rules:
1. Start Damage Set at 999%.
2. Change Damage Ratio to x2.0.
3. Add Bumpers, Set Item Frequency to Very High.

Hint: Try not to KO the Jigglypuffs.
*set difficulty to lvl. 9


Challenge #10: Megaman 2 All Over Again

Description: Defeat the Bombermans with only your Mega Buster.
You: Megaman
Opponents: 3 Lvl. 9 Bombermans
Stage: Skull Fortress
Stock: 2

Rules:
1. Start Damage Set at 999%.
2. Change Damage Ratio to x2.0.
3. Add Bumpers, Set Item Frequency to Very High.
4. You can only double-jump and use the Megabuster.

Hint: Follow the rules!
*Add Bob-Ombs, Set Item Frequency to Very HIgh

I quickly copied and pasted this.