Sonic the Hedgehog

In the Fortress Saga collaboration with Sonic, players will have access to exclusive skins and various rewards available only during the collaboration period. Limited-time gachas and special packages are also available

In Last Cloudia's collaboration with Sonic the Hedgehog, there will be a new event, new characters and arks, and players can get items each day from an in-game collab countdown login bonus.

"This crossover between Super Monkey Ball Banana Rumble and Sonic the Hedgehog, includes 6 playable characters—Sonic, Tails, Knuckles, Amy, Axel, and Beat—and 15 Style Items inspired by iconic SEGA characters like Shadow the Hedgehog, NiGHTS, Goro Majima, Gilius, and Akira Yuki. Collect Rings as a Sonic character, Coins as Axel, or Spray Paint Cans as Beat! Sonic will be available at launch. The other characters will be released via post-launch updates."

During the Ragnarok Online x Sonic collaboration, a special dungeon will be made available to play. Once completed, special themed rewards will be available to players.