Infinity

Never7: The End of Infinity is the first title in the Infinity series, and is followed by Ever17: The Out of Infinity, Remembe 11: The Age of Infinity, 12Riven: The Psi-Climinal of Integral, and Code_18. In the game, the player takes the role of Makoto Ishihara, a college student who attends a seminar camp on an island together with three other students; he also befriends three other people who he meets on the island. The game takes place over the course of a week, and consists of the player reading the story, occasionally making choices that affect the direction of the plot; on the sixth day, one of the female characters dies, and the game moves back in time to the beginning, letting the player use knowledge from the first set of six days to make new choices, to try to prevent the character's death.

Ever17 is a remake of "Ever17: The Out of Infinity", developed in collaboration between 5pb. and CyberFront. This remake, among other things, features a significantly rewritten script, re-done voice acting, a remixed soundtrack, and animated 3D models to replace the static character sprites of the original.

Code_18 is the fifth entry in the Infinity series, which also includes Never 7: The End of Infinity, Ever 17: The Out of Infinity, Remember 11: The Age of Infinity, and 12Riven: The Psi-Climinal of Integral. The game follows Hayato Hino, a high school student who receives voice messages from the future on his phone, and is stuck in a loop, repeating a month of his life over and over again. Cyberfront bought the rights to the Infinity series after its previous developer, KID, closed down. The game's writing was done by the group Run & Gun, while the sound production was handled by the band Milktub. While the development team had originally planned to use a theme of "escape from an enclosed space" similarly to previous Infinity games, it was changed due to concerns of the size of the game's audience, and was seen as a reboot of the series.

12Riven is a visual novel in which the player makes progress by reading the game's story. At certain points during conversations with other characters, the player is given a set of choices. Depending on what the player chooses, the story diverges into different branches, eventually leading to different endings; there is only one "true ending"