Santatlantean is a single-player action shooter game in which players control Santa as he battles against evil Christmas decorations that have been cursed by Mrs Claus. In this game, Santa must navigate through various festive environments, destroying malicious ornaments, attacking candy canes, and avoiding hazards like scented candles to save Christmas and achieve high scores. It stands out with its holiday-themed setting, fast-paced gameplay, and unique enemies inspired by Christmas decorations. The game features a retro pixel art style and challenging levels that test reflexes and precision, offering an engaging experience for fans of shoot 'em up games.