Harvest Moon 3D: The Lost Valley is a strategy with an isometric view from the developers from the Natsume, Inc. studio. The game is published by Natsume, Inc.. Harvest Moon: The Lost Valley is an alternative The title is Harvest Moon 3D: The Lost Valley. For some reason the game has not yet been released on PC. It seems that Harvest Moon 3D: The Lost Valley turned out to be complete crap. This is evidenced by the low ratings on the Metacritic service.