Monster Strike

Monster Strike (モンスターストライク) is a free mobile game for and  developed by.

Stone Ocean Collaboration
On July 10, 2022, XFLAG announced a collaboration between the anime JoJo's Bizarre Adventure: Stone Ocean and their mobile game Monster Strike that will begin on Friday, July 15, 2022, for a limited time.

Limited Starter Pack
By purchasing the JoJo’s Bizarre Adventure: Stone Ocean Collaboration Starter Pack for ¥980, you can also get an exclusive “Joestar Clan – Jolyne and Jotaro” (★6 Beast Godification). This character is limited to one per person and will also only be available from July 15, 2022, to August 2, 2022.

Limited Quest Events
The collaboration will also feature five limited quest events against minor villains from the anime. These include Lang Rangler, Thunder McQueen, Gwess, Johngalli A., and Miraschon.