[1] The game plays similar to adventure visual novels such as Danganronpa and Zero Escape.

[4] The game's characters are trapped within the park, with the outside world being in a post-apocalyptic wasteland infested with murderous monsters.

[1] Within the park, the game's twelve main characters are held captive by a mysterious mechanical doll named "Alice", who holds the "death games", which basically force the characters against each other for survival - the losers being exiled back out into the world.

[6] The game was announced by Nippon Ichi Software in January 2017, through two teaser trailers.

[8] In the following month, Nippon Ichi announced a series of thirteen separate trailers detailing each of the main characters in the game as well.