The anime is fun to view, characters are basics, like the story. But the game, is... a trick.
Thought the anime show that only Triggers in drive, and damage check let you won a game : it's in fact, the trick of the game.
Some rules are not shown for that game, and it's for that some players are in here : Suzugamori Ren, Kai, and Asaka.
All of the three doesn't see the game like other players, ...