It Was a Whole Day of Japanese Arcade Games Today, AOU (All Nippon Amusement Machine Operators' Union) kicked off its annual show AOU Expo in Chiba, Japan.

Kotaku East's Richard Eisenbeis and Toshi Nakamura were on hand to check out the day's festivities. Here's a look at what they saw.

The show featured new games, such as a Guilty Gear XX Accent Core Plus debut trailer and playable Tekken Tag 2 cabinets. Konami also rolled out Dance Evolution Arcade, a coin-operated Kinect-powered arcade game.

Be sure to check back for more upcoming AOU coverage.

(Top photo: Richard Eisenbeis and Toshi Nakamura | Kotaku)