Saiki Kusuo no Sainan - Shijou Saidai no Sainan (斉木楠雄のΨ難 - 史上最大のΨ難) is a Nintendo 3DS game based on the popular manga and anime series of the same name. The game follows the adventures of the protagonist, Saiki Kusuo, who has psychic powers and must use them to solve various mysteries. Players will embark on a journey with Saiki and his friends as they investigate strange phenomena and use their powers to solve puzzles and uncover the truth. The game features a variety of puzzles, mini-games and other challenges that players must complete in order to progress. Players can also customize their characters and choose from a variety of outfits and accessories. With its charming visuals and engaging gameplay, Saiki Kusuo no Sainan - Shijou Saidai no Sainan is sure to be a hit with fans of the series and newcomers alike.