The Caligula Effect 2 is a role-playing game developed by historia for the Nintendo Switch platform. The game is set in a virtual world called Redo, created from the regrets of many people. Players are transported to this world through the songs of a virtuadoll named Regret. The game's plot is centered around the Go-Home Club, a group of people who seek to return to the real world against the will of the creator of Redo.

The game features a unique battle system called Imaginary Chain, which allows players to chain combos and predict future events. It also features a χ-Jack system, where the singing voice of the virtuadoll χ hijacks the battlefield and powers up the Go-Home Club. The game has a group chat function called WIRE, which players can use to discuss club goals and ask allies questions on a private chat.

The Caligula Effect 2 features a fascinating plot and character stories that will keep players engaged throughout the game. It is a game that requires players to choose actions carefully to avoid regrets and uncover hidden truths.