Its story was adapted into a 12 episode Anime, 2 OVAs, a 2 Tankoban Manga, 6 Novels and a Radio Drama series.
Clannad is a visual novel developed by Key and released on April 2004 in Japan, first on the PC and later on the PS2 in 2006 and the PSP and Xbox 360 in 2008.
Video game magazines that I read regularly would cover Japanese imports and niche titles, but dating sims were merely a curiosity and nothing more. The games industry has grown exponentially and modern gamers are interested in titles beyond the scope of the action, shooting and role-playing genres.
We've been seeing stronger interest in PC gaming lately, and we have the rise of Steam to thank for this.
This list answers the questions, "What are the best dating sim games?