Nintendo has announced the last day to receive Piranha Plant as a playable fighter for free in Super Smash Bros. Ultimate.
Players will have to register their copy of Super Smash Bros. Ultimate on My Nintendo by January 31, 2019 in order to qualify for the promotion. No further action is required for those who purchase the game via Nintendo eShop.
— Nintendo France (@NintendoFrance) November 1, 2018