Clannad is a Japanese visual novel developed by Key released on April 28, 2004 playable on Windows PCs. While both of Key's first two previous works, Kanon and Air, had been released first as adult games and then censored for the younger market, Key's third work Clannad was released with a rating for all ages.Clannad was later ported to the PlayStation 2, PlayStation Portable, Xbox 360, and PlayStation 3.

Kanon is an adventure game developed by Key and released on Dreamcast, Microsoft Windows, PlayStation 2, PlayStation Portable.