It's possible to get a game over by adding a level 100 poison mushroom in the community stew during the Harvest festival. After baking the stew, your character will eat it, take a drink of the stew and faint. The game's credits will then roll.
It's possible to end the game early by letting your dog attack the mayor of the town.
There is a glitch where your gold can increase by large amounts if you send a Fishing Sprite to the beach during the Winter. It is risky to perform, because using sprites may cause save corruption in some copies of the game.
Due to a glitch preventing North American copies of the game from recording the amount of animals that die on the player's farm, the Witch Princess is not marriageable as intended, as in order to see her first heart event you must have at least 50 animals die.