A Massive Multiplayer Crossover in the form of an MMORPG made by Cartoon Network. Planet Fusion, a living planet made out of a green, gooey substance, has attacked Earth, and it's up to you, a bunch of animesque versions of characters from Cartoon Network franchises, and many, many other people to stop the alien invaders. The game has a simple but effective equipment system arming you with Guns, Swords, Bombs, Guitars, Frisbees, and other items to defeat the opposition, while giving you shirts, pants, and shoes to protect yourself, while masks, helmets and capes/backwear are just for show.However, the biggest change to the MMO formula came with Nanos, miniature versions of Cartoon Network characters that are gained on level-up instead of stat bonuses. You can have three nanos with you at all times, and each has three abilities, of which each can only use one, granting you a variety of different layouts and choices, such as having Numbuh Two provide super speed, the ability to warp back to specific locations in dungeons, or increased money gain upon defeating enemies.
Used to be played on here And there's a wiki!There's also a spinoff set in the same continuity as the main game called Fusionfall Heroes. Instead of being an MMO platformer like FusionFall, it's an overhead 3D action game ala Diablo with both a single player and online multiplayer opponent that lets you choose between various Cartoon Network heroes and take them into combat. Here's a preview.Here's the game.Fusionfall closed on August 29th of 2013.The game itself can be considered a who's who of Cartoon Network's original characters. Here is a list of series represented by characters in the story:
Regular Show (The NPCs haven't been added yet, but you can see Mordecai and Rigby Nanos in bubbles at Mount Neverest and the aforementioned Rigby Nano is now available by a codeword) (Characters playable in Fusionfall Heroes)
Animesque: Done to pretty much everyone to a slight degree in an attempt to unify art styles, but done most obviously (which is to say, really obviously) to the Powerpuffs and to Dexter. Reaction to the Puffs has been mixed, but the new, older, richer-and-Tony-Stark-like Dexter... uh, doesn't have any female detractors, at any rate.
The Cameo: Silhouettes of Ed, Edd and Eddy and Samurai Jack are seen at the beginning but they don't play a role in the story. Likewise Coop and Jamie's silhouettes show up later but they don't notice the carnage going on outside.
Charles Darwin Middle School, Endsville, and Orchid Bay also make cameos.
Nice Job Breaking It, Hero: The heroes think they've stopped the fuse spores and the source from where it's coming from. Turns out it was a beacon and by blowing it up they've brought Planet Fuse right to them.
Not Me This Time: While Mojo had intended to do a scheme at the start of the story, the Fuse beat him to it and he has to stop Blossom from socking him to warn the heroes of the incoming threat.
Likewise, Numbuhs 1, 3, and 4 are absent when the treehouse is attacked, yet they show up in the game itself.
Your Princess Is in Another Castle: The group managed to stop the source of where the Fuse pods are coming from and start to celebrate...then Mojo crashes near them followed by Planet Fuse appearing over Earth. Uh-oh...
Abnormal Ammo: Mushroom spores to teddy bears, depending on the weapon.
Antagonist in Mourning: After giving Buttercup amnesia in a deadly fight, Mojo Jojo displays a... surprising amount of guilt.
Anti-Poop Socking : Upon gaining a certain amount of experience, both experience and money gained after that point is reduced by 50%, then dropped to 0%. It resets to 100% the following day. They've since removed the 0% feature, but it will still drop to 50%.
Child Soldiers: The KND, Urban Rangers, Powerpuff Girls and, of course, the players.
Now they're teenagers, though that doesn't make it much better. Did they raise the age limit to 18? There WAS that plot point in Codename: Kids Next Door about some KND members staying in the KND after turning into teens...
Dueling Games: Sorta. Considering that Cartoon Network is rivals with Nickelodeon, compare the plot of this game to that of the fourth Nicktoons Unite game, Globs of Doom (which was released three months before FusionFall). The most significant difference is that while the Nicktoons Unite games are single player console affairs, FusionFall is an ongoing MMO. Nick doesn't have their own Nicktoons MMO...yet.
Gameplay and Story Integration: Defeated Lord Fuse, but wondering why he's still around next raid? Simple really. He's actually the physical avatar of the Genius Loci of Planet Fusion, so while defeating him is severely annoying, he just regenerates.
Hey, It's That Voice!: Most, if not all, of the characters' original voice actors reprise their roles. A notable exception is the late Mako Iwamatsu (voice of Aku), but his replacement would have you think he came back from the dead just to voice him again—yes, the impersonation is that good.
Improbable Weapon User: Any fan of the Kids Next Door knows that this trope is going to come into play at one point or another.
Magic Skirt: The Powerpuff Girls wear them. There's also several versions girl characters can wear. True to the trope, they never go high enough for anything to be seen. Failing the trope, this only applies when the camera is straight. Aim it up and it no longer works. It also fails horribly when using a scooter-type vehicle, as the seated position of a character causes the skirt to be oriented vertically. However, all that's there is a blackened waist area, as if they were trying to make shorts but just got lazy and painted the skin.
In one of the later updates, you can see shorts under some of the shorter skirts if you aim the camera juuuust right.
Misplaced Wildlife: In a way. In the future, Eduardo hangs out in the cul-de-sac, and Samurai Jack hangs out in the junkyard.
It may be to play up the crossover element and it's not unusual to see characters from several shows hanging out in one location, but Juniper Lee is in the middle of Nowhere while Grim holds court in her hometown of Orchid Bay.
Due to the lack of Camp Lazlo characters, others fill the void (e.g, the Toiletnator and May hang out in Camp Kidney, Flapjack is in Leaky Lake, and Gwen can be found on Pimpleback Mountain).
Mythology Gag: Any fan of the shows the game represents will see at least five of these for each series.
No Export for You: The game has been "coming soon" to parts of Asia and the South Pacific for a looooonnnnng time.
Off Model: The Nanos, intended to have the cartoonish look that most of their NPC counterparts lost.
Before the game went to free to play, players were free to choose their own names, provided that they passed inspection. More obvious references to other media wouldn't make it through, but if what you named your character after was obscure enough (or obscure enough to whoever was in charge of approving your name), you were set. It's also an easy way to indicate characters that were made before the Free To Play switch.
Starfish Aliens: They're all made of Fusion Matter, which is basically a green ooze that merges with whatever it doesn't destroy to make monsters, and some of them are warped clones of NPC's. Oh, and they exist to help their homeworld eat planets.
Story Relevant Age Up: Dexter, the Powerpuff Girls, and the members of Sector V are in their (pre)teen years.
Temporal Paradox: The nanos were created with information the player (if they joined before early 2011) brought back from a Bad Future, which no longer exists because everyone was better able to fight Fuse now... because of that technology from a time that doesn't exist anymore.
Timey-Wimey Ball: Until February 2011, the opening segment took place in a post-apocalyptic future the player was sent to due to a Deedee-induced time travel accident. Now the opening is just basic training and the Timey-Wimey Ball seems to have been removed—except there are still references to the Nano tech coming from the future. And CN's offical in-universe reason for the new intro segment? Due to the heroes' efforts, that future no longer exists.
Warp Whistle: Flying Monkeys, courtesy of Mojo Jojo, and the KND's S.C.A.M.P.E.R. (which warps you between regions instead of just areas within the same region).
What Could Have Been: Originally, Ben was going to be in his child form, but it was replaced with his 15-16 year old incarnation before release. However, Kid!Ben is slated to be a Nano in the future.
Vilgax was also to be based on his original counterpart, but they changed it to his Alien Force counterpart. Like with Ben, though, Vilgax's nano still bears resemblance to his original look.
The Null Void Ship, Chowder's mouth, Vilgax's ship, Ice King's Castle, the zoo from Generator Rex, and Mount Neverest were planned to be level 37+ areas originally.
What Does This Button Do?: The mistress of this trope, Dee Dee, sent you into the future because of this in the old tutorial.