Cyber Forces

 is a Japanese-American crossover adventure-science fiction video game series, being co-developed by Sonic Team and Traveller's Tales and co-published by Sega and Warner Bros. Interactive Entertainment since June 13th, 2005.

Synopsis
Set in a sci-fi universe where various worlds are connected and guarded by an elite force known as the Cyber Forces, teenager Melanie Crystal, becomes a rookie agent, being assigned partners in the cat and bird duo Sylvester and Tweety as soon they become one of the only hopes to protect the universe from a dangerous cybernetic threat called the Horde.

Games

 * 1)  (video game) (2005)
 * 2)  Unlimited (2009)
 * 3)  Reawakening (2012)
 * 4)  Forever (2016)
 * 5)  Reckoning (2019)
 * 6)  Infinite (2022)

Handheld

 * 1)  Genesis (PlayStation Portable, 2008)
 * 2)  New Blood (Nintendo DS, 2011)
 * 3)  The Forgotten War (PlayStation Vita, 2012)
 * 4)  Lost Secrets (Nintendo 3DS, 2014)
 * 5)  Battle Nexus (Android/iOS, 2018)

Spin-offs

 * TBD

Main

 * Melanie Crystal (voiced by Danica McKellar) - an eager yet sometimes idiotic teenager who is a rookie Cyber Forces member as she attempts to prove herself as a heroine.
 * Sylvester Pussycat and Tweety Bird (both voiced by Joe Alaskey until Forever and Jeff Bergman afterwards) - a cautious cat and a friendly bird who are Melanie's assigned partners as they soon grow a friendly bond with her.

Supporting

 * Granny (voiced by June Foray until Forever and Candi Milo afterwards) - a wise old woman who is an experienced Cyber Forces member as she now trains Melanie in order to become a better warrior.
 * Leo Andes (voiced by Josh Keaton) - a geeky and nervous member of the Cyber Forces who has a crush on Melanie but can't admit it.
 * Samantha Harkness (voiced by Jessica DiCicco) - a shy and anxious mechanic for the Cyber Forces who has developed the ship that Melanie uses to travel to worlds.
 * Adam Bronson (voiced by Nolan North) - a senior Cyber Forces member who wants to make sure that Melanie is safe no matter what, not wanting her to go into situations she isn't prepared for.
 * Lena Mosley (voiced by Jennifer Hale) - a giddy and friendly Cyber Forces member who is known for her friendly and upbeat nature.
 * Matt Rose (voiced by Will Friedle) - a flamboyant yet skilled Cyber Forces member who enjoys both women and taking down enemies from a distance.
 * The Council, consisting of:
 * Bugs Bunny (also voiced by Joe Alaskey until Forever and Jeff Bergman afterwards) - the official leader of the Cyber Forces who is a wise and slightly mischievous rabbit as he is often extremely busy.
 * Daffy Duck (also voiced by Joe Alaskey until Forever and Jeff Bergman afterwards) - Bugs' egotistical second-in-command who sees himself as one of the greatest Cyber Forces members although he is a coward.
 * Porky Pig (voiced by Bob Bergen) - Daffy's sensical best friend who tries to keep his ego under check.
 * Lola Bunny (voiced by Kath Soucie) - Bugs' confident and athletic girlfriend who is an elite member of the Cyber Forces and cares about him.
 * The Tasmanian Devil (voiced by Jim Cummings) - a wild Tasmanian devil who is a Cyber Forces member and another more famous one.
 * Scooby-Doo (voiced by Frank Welker) - a cowardly dog who is the lovable mascot of Mystery, Inc. and cares about his friends.
 * Shaggy Rogers (voiced by until Genesis and Matthew Lillard afterwards) - an even more cowardly and hungry teenager who is Scooby's owner and a member of Mystery. Inc.
 * Fred Jones (also voiced by Frank Welker) - the leader of Mystery, Inc. who is a lover of traps as he thinks of various traps to capture monsters.
 * Daphne Blake (voiced by Grey Griffin) - a member of Mystery, Inc. who is a massive fashionista, enjoying what she can do with it.
 * Velma Dinkley (voiced by Mindy Cohn until Forever and Kate Micucci afterwards) - the most intelligent member of Mystery, Inc. who is rather skeptical about the supernatural and usually loses her glasses.
 * Bubbles, Blossom and Buttercup Utonium (voiced by Tara Strong, Cathy Cavadini and Elizabeth Daily, respectively) - a friendly and bubbly, intelligent and slightly controlling and rowdy and arrogant trio of superheroes who often save Townsville from evil and harm.

Sega guest stars

 * Sonic the Hedgehog (voiced by Jason Marsden) - the fastest thing alive who is the champion of the arena due to not having much Cyber Forces duties anymore.
 * Amy Rose (also voiced by Jennifer Hale) - a friendly hedgehog and the girlfriend of famed hero Sonic who runs a shop where she sells various useful items.
 * Alex Kidd (voiced by Scott Menville) - a very wild and reckless monkey kid who enjoys fighting as he surprisingly runs an arena for those who may want to fight.
 * TBD

Antagonists

 * The Horde, consisting of:
 * Lord Eon (voiced by David Kaye) - a terrifying and dangerous mechanical being who rules the Horde as he wants to consume the world into mechanical order.
 * Lady Haywire (also voiced by Tara Strong) - Lord Eon's "daughter" who is the most infamous general of the Horde as she grows an obsession with Melanie and defeating her.
 * Marvin the Martian (also voiced by Joe Alaskey until Forever and by Eric Bauza afterwards) - a martian invader who despises humanity as he gets convinced to be a general of the Horde due to Eon promising that he will destroy Earth for him.
 * Razorsharp (voiced by Charlie Adler) - an insane robotic general of the Horde who has eight razor sharp arms and loves talking about slicing through people.
 * Zero (voiced by Jeff Bennett) - a malicious and calculating member of the Horde who is known for his insane amount of sadism.
 * Lorelei (voiced by Vanessa Marshall) - a seductive yet easily short-tempered member of the Horde who loves to torture people with her two blades.

Sega guest stars

 * TBD

Enemies

 * Hordlings - small robots and the most common breed of Horde machines that are almost everywhere and can only really punch.
 * Probes - a flying breed of Hordlings that can fly in the air and fires beams of energy.
 * Martians - a breed of Hordlings inspired by the Martians as they wield laser guns and fire them.
 * Brutes - a gigantic breed of Hordlings that are strong and hard to destroy.
 * Healers - a breed of Hordlings who are able to heal other Hordlings yet they don't really fight.
 * Guardsmen - a breed of Hordlings who wield giant shields and use them to protect people and can throw them as well.
 * Monkeborgs - monkey-like Hordlings who can move around crazily and like throwing explosive peaches.

Introduced in Cyber Forces

 * Cyber Forces Pistol - a standard pistol used by every Cyber Forces soldier. Its upgraded form allows the pistol to fire in a 3x3 square.
 * Anvil Shooter - a shotgun-like weapon found in Acme Acres which allows the user to fire anvils out of the gun. Its upgraded form causes the anvils to explode into several pieces.
 * Scooby Bots - a glove that can summon small robotic Scooby-Doo clones that run up to enemies and explode. The upgraded form increases the size of the machines.
 * Power Blaster - a giant gun from Townsville that can fire a massive energy beam. The upgraded form gives it three massive beams.
 * Scythe Thrower - a gun that fires small scythes that can slice through objects. The upgraded form sets the scythes on fire.
 * TBD

Common gameplay
The game plays as a third-person shooter platformer as you alongside a few companions travel through various worlds and complete several quests. You start with two guns, one from the Nexus (Cyber Forces HQ) and one from Acme Acres as you soon unlock more by entering new worlds. You are allowed to use several items including healing items and temporary buffs which you can buy or find. You are also allowed to buy upgrades to your weapons which make them way more powerful.

Trivia

 * The release of the series' first installment coincides with Looney Tunes ' 75th anniversary.