Niconico Tokaigi 2015 is this weekend at the Makuhari Messe in Chiba. A number of publishers will be on-hand showing off their latest games. And while it’s no Tokyo Game Show or E3-scale event, it might be worth keeping an eye on. Square Enix is debuting its new School of Ragnarok arcade game, as well as a PlayStation 4 game code-named Project Code Z. And Sony has a number of stages focused on classic PlayStation games.