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from the wikipedia page for nichijou:
A PlayStation Portable video game titled Nichijou: Uchuujin (日常（宇宙人）, lit. Everyday: Alien) developed by Vridge and published by Kadokawa Shoten was released solely in Japan on July 28, 2011. In the game, the player takes the role of a producer from "Galaxy TV" running the anime adaptation of the manga, whose objective is to keep the ratings high by correctly deciding on what unusual situation to insert in the show. The Japanese gaming magazine Famitsu gave the game a score of 27 out of 40 based on four individual reviews.
i am also pretty surprised this is a real thing.
EDIT: and i just noticed there's a gintama game up there too?? apparently some kind of board game.