Popular games built on game engine Siglus

Angel Beats! 1st Beat is a Japanese visual novel based on the 2010 anime television series Angel Beats!, developed by Key and the first in a planned series of six volumes. It takes place in the afterlife and focuses on Otonashi, a boy who lost his memories of his life after dying. He is enrolled in the afterlife school and meets a girl named Yuri who invites him to join the Afterlife Battlefront, an organization she leads that fights against God. The Battlefront fights against the student council president Angel, a girl with supernatural powers.

Summer Pockets is set on an isolated, rural and peaceful island on the Seto Inland Sea called Torishirojima, which has a population of about 2,000 people. The protagonist is Hairi Takahara, a young man not native to the island. Hairi grew up in an urban setting, but after an unpleasant incident, he uses the recent death of his grandmother as an excuse to come to the island to take care of her estate sale. Once there, he gets to know four girls who are the focus of the story. They include Shiroha Naruse, who forgot her summer vacation: Ao Sorakado, who is pursuing the legends of the island. Kamome Kushima, a high-class girl looking for a pirate ship. and Tsumugi Wenders, a younger girl trying to find herself.

Loopers is a kinetic novel made by Ryukishi07 in collaboration with the visual novel studio Key.

Rewrite is an all-ages rated Japanese visual novel developed by Key. The story follows the life of Kotaro Tennoji, a high school student with superhuman abilities who investigates supernatural mysteries with five girls from his school. This ultimately leads him into the middle of a conflict between familiar summoners and superhumans searching for a familiar girl named Kagari who is the key to intelligent life and its destruction on Earth.