Mirai Nikki

Author(s): ESUNO Sakae

Status(s): Completed

Reviews: I guess this counts as a game? Characters compete to kill each other with the help of their special 'diaries'.

Sennen Meikyuu no Nana Ouji

Author(s): ATORI Haruuno

Status(s): Completed

Reviews: More Josei than seinen, plus I get a shounen-ai vibe...

Oukoku Game

Author(s): SORASE Haruyuki

Status(s): Ongoing

Reviews: N/A

Doubt (TONOGAI Yoshiki)

Author(s): TONOGAI Yoshiki

Status(s): Completed

Reviews: Each round a wolf kills off a rabbit. Can the rabbits discover who the wolf is before its too late?

Torikago no Tsugai

Author(s): MINAMI Toutarou

Status(s): Completed

Reviews: A group of teens attempt to rescue a girl trapped in a house of deadly traps and puzzles.

Darwin's Game

Author(s): FLIPFLOPs

Status(s): Ongoing

Reviews: A mobile app that warps reality and pits characters against each other in death matches.

Btooom!

Author(s): INOUE Junya

Status(s): Completed

Reviews: Survival game with bombs!

Tenkuu Shinpan

Author(s): MIURA Tsuina

Status(s): Ongoing

Reviews: Action survival in a world of high rise buildings.

Real Account

Author(s): Okushou

Status(s): Ongoing

Reviews: Characters are transported to a world where they are forced to play games centered around a mobile phone/ social networking theme.

Judge

Author(s): TONOGAI Yoshiki

Status(s): Ongoing

Reviews: Each round of the game players must vote on who will die.