Big Hero 6: Battle in the Bay is a 3DS and DS game, developed by 1st Playable Productions and set after the events of Big Hero 6. Metacritic Game Reviews, Disney Big Hero 6: Battle in the Bay for DS, Disney Big Hero 6: Battle in the Bay lets players interact with all six. Big Hero 6: Battle in the Bay is a video game developed by GameMill Entertainment for the Nintendo 3DS and its predecessor the Nintendo DS, and based on the film Big Hero 6. Set after the events of the film, the game follows robotics prodigy Hiro Hamada and his like-minded friends. pethydro.org: Big Hero 6 3DS - Nintendo 3DS: Game Mill Entertainment: Video Games. Game Mill - Big Hero 6 NDS - Nintendo DS. Game Mill. out of 5. pethydro.org: Frozen and Big Hero 6 for Nintendo DS: Disney 2-Pack by Gamemill Entertainment: Video Games.