Sonic Rumble Pre-Release Event: Monkey Ball, Altered Beast Crossover

Author : Jack May 25,2025

While the global release of Sonic Rumble is still on the horizon, set for May 8th, the excitement is already building with a pre-release crossover event that's sure to delight fans. This isn't just any crossover; it's a celebration of iconic Sega characters from past and present, ready to join the rumble!

The event, which kicks off before the worldwide launch, is currently accessible to players in regions where Sonic Rumble is in soft launch. From now until May 7th, you have the chance to claim the Werewolf character from the classic game Altered Beast for free. It's a fantastic opportunity to add a legendary character to your roster without spending a dime.

For those who subscribe to the Sega Star Event Pass, even more exciting options await. You'll unlock the Weredragon, another character from Altered Beast, and Opa-Opa, the beloved first mascot from the arcade hit Fantasy Zone. These additions are sure to enhance your gameplay and bring a touch of nostalgia.

Sonic Rumble Crossover Event

But the fun doesn't stop there. The in-game Ring Shop offers more characters for purchase, including Upa-Upa and the Werebear. Additionally, the Red Star Ring Shop introduces characters from Super Monkey Ball with AiAi and MeeMee, providing even more variety and excitement.

While it's unusual to see such an event before the official release, it's a thrilling start for those fortunate enough to participate. And according to Sega, this is just the beginning. They have a packed calendar of crossovers and collaborations planned for Sonic Rumble, promising a continuous stream of fresh content and beloved characters.

In other gaming news, Finnish developer Supercell is gearing up for another rare launch. Be sure to check out our Mo.co preview to learn more about this intriguing, monster-hunting part-time job simulator coming soon to iOS and Android!