Jax's game represents the movie theater! when someone enters his game, they are in black and white! They do not remember what Jax's game was supposed to be... But they do know that if a player enters, they are given a timer for how long they have to survive.

“Hehehe…I smell fresh meat~“

Yep, this is why the Digital Carnival shackled him: insanity. But! Can you survive him without falling to him or his nasty hammer?