Harvest Moon 2

Harvest Moon 2 is the sequel to Harvest Moon, released in 2001 for the SEGA Dreamcast, PlayStation and PC. The game was supposedly built from a cancelled adaptation of Werewolf: The Apocalypse. The game was developed by Cor-Son Games and published by Midway Games, with Virgin Interactive handling international distribution.

Gameplay
The gameplay is notably different from the first, in that you could switch between both human and wolf forms at will, save for full moons, and you have to fight dark forces.