Nintendo is struggling to contain leaks surround the release of Smash Bros. Ultimate after reports of the game being sold early in Mexico and pirated copies being released online being trawled by data miners for hidden info.

The controversy started Wednesday when someone posted an image of the game’s purported retail packaging. A few days later news began spreading that the game was being sold early and relatively widely at certain Mexican retailers and before long, pirated versions began appearing online.

NintendoSwitch
NintendoSwitch

The leaks were, in part, thanks to an unpatchable Nintendo Switch hacking method which allows an attacker to run arbitrary code on the device. To make matters worse, data miners are sifting through the gam’s data with hex editors looking to extract and all hidden content ranging from lists of stage names to unlockable assistive “spirits” drawn from Nintendo history.