 If you liked
Deadman Wonderland
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 ...then you might like
Death Parade
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DW (mostly the manga) is about a corrupted world turned into a game of "gods". Both anime seem to fall under the psychology umbrella. Both of them have a "Theme" that the games are played in many many levles- the normal one for the observer, on witch the game seems normal, and then the one that can actually harm you. To make the audience eat the gore easier both anime uses very funny, cuddly or just plain cool aesthetic.