Popular games built on game engine Real Live

Clannad follows the life of Tomoya Okazaki, a high school delinquent who meets many people in his last year at school, including five girls, and helps resolve their individual problems. The gameplay of Clannad follows a branching plot line which offers pre-determined scenarios with courses of interaction, and focuses on the appeal of the five female main characters by the player character. The game was ranked as the best-selling PC game sold in Japan for the time of its release, and charted in the national top 50 several more times afterwards.

Little Busters! is a Japanese visual novel developed by Key. The story follows the life of Riki Naoe, a high school student who has been a member of a group of friends named the Little Busters since childhood. Riki brings multiple girls at his school into the Little Busters to have enough people to play a baseball game. The game is rated for all ages in Japan, but a version containing adult content named Little Busters! Ecstasy exists as well.

Planetarian: The Reverie of a Little Planet is a Japanese post-apocalyptic visual novel developed by Key and is rated for all ages. The story centers on a middle-aged man who comes across a malfunctioning robot in a dead city. The man, known simply as "the junker", stays with this robot for a time and attempts to fix the projector of the planetarium where the story takes place.

Tomoyo After: It's a Wonderful Life is a Japanese adult visual novel developed by Key. Key later released versions of Tomoyo After without the erotic content. The story follows the lives of Tomoya Okazaki, a young man who recently graduated from high school, and his close friend Tomoyo Sakagami as they start to see more of each other in a romantic relationship.

Planetarian: Snow Globe is a kinetic novel based on a short light novel by the same name that occurs before the events of Planetarian: The Reverie of a Little Planet.

Air is a Japanese visual novel developed by Key that follows the story of the life of Yukito Kunisaki, a traveling showman searching for the "girl in the sky". He arrives in a quiet, seaside town where he meets three girls, one of whom is the key to the end of his journey. The gameplay in Air follows a branching plot line that offers pre-determined scenarios with courses of interaction and focuses on the appeal of the three female main characters by the player character.

An expanded port of Kud Wafter for consoles, which removes the sexual content and adds additional story events and visuals.