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WB All-Star Mayhem β€” Kabam & Warner Bros Announce Idle RPG

WB All-Star Mayhem
Provided by Netmarble.

North American-targeted global mobile gaming infrastructure is ramping up as Netmarble’s North American subsidiary, Kabam, has unveiled a new lineup bringing together world-renowned animated intellectual properties (IP).

Netmarble announced on November 6 that Kabam officially revealed its upcoming idle collectible RPG, WB All-Star Mayhem. Developed under an official licensing agreement with Warner Bros. Interactive Entertainment, this new project is a globally targeted title where core characters from world-famous animation brands such as Warner Bros., DC, Looney Tunes, and Cartoon Network gather on a single battlefield.

The worldbuilding is anchored by nine major animation IPs, including Justice League Unlimited, Adventure Time, Looney Tunes, Teen Titans GO!, Animaniacs, Scooby-Doo, Steven Universe, Samurai Jack, and The Powerpuff Girls.

Storyline and Dimension-Crossing Gameplay

The in-game narrative kicks off when Brain, a character from Pinky and the Brain, acquires the Universal Remoteβ€”a device capable of controlling countless TV dimension worlds. The story unfolds as Brain, plotting universal conquest, forms alliances with villains spanning from Metropolis to Samurai Jack’s future battlefield to disrupt the multiverse. Players can freely combine heroes and villains from different franchises, such as DC’s Batman and Superman alongside Bugs Bunny, Scooby-Doo, Finn, and Jake, to assemble tactical teams and embark on dimensional adventures.

Combat Mechanics and Character Roster

The combat mechanics combine high-quality 2D animationμ—°μΆœ that highlights each original work’s visual identity with unique character stats to deliver strategic synergy. At the official launch, the system will feature over 100 elite characters, with independent new characters and multi-dimensional world episodes expanding continuously post-launch.

Global Service Outlook

Kabam General Producer SΓ©bastien GuΓ©roult stated, "We focused on faithfully capturing the charms of beloved animation works while seamlessly blending diverse characters and universes into a single game." He added, "We aimed to maintain each character’s unique humor and personality while enhancing their combat capabilities, creating a game that anyone can enjoy casually anytime, anywhere." Kabam plans to sequentially announce global service regions and specific launch timelines moving forward.