CheatCodes.com has all the official Harvest Moon 3 Game Boy cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Wednesday June 19, 2013 for Harvest Moon 3 are shown below.
To get unlimited money, take to items (lets say, 3 cherry and 1 egg), and put them in the shipping bin. Then, call the famers market. First select your 1st item. (For this example the cherry.) When it tells you how much you want to sell press down, 'b'(The 'B' button.) Then select you second item,(here, the egg), and press down. YOu should have 1 less then the amount of the first item. (Meaning if you had 3 cherry and 1 egg, you would have 2 eggs at this part of the cheat.) Sell these. After you sell them, go to you shipping bin. Select your second item. You should now have over 50 of that item. You can now sell them or give them to people. I have made over 20,000G in one day doing this cheat.
After the volcano erupts go to the mountain and get the glacier that never melts. Talk to the guy who sells the carpets. One day he will say something about the glacier and give it to him. The next day your storage will be able to keep things you sell for as long as you want. Note: If you have a fertilizer machine it will not be able to make fertilizer anymore.
To get Pak (a little bird thing that follows you around) search through the forest at the end of Spring (around the 26th or later). Every time you get to one of the places where there is a lake, look up at the top line of trees- eventually you will find a little grey thing that looks like a malformed rock- it's actually an egg. Walk over to it and press A while looking at it (make sure you aren't holding any tools). Text will come up saying something like "If you don't take it, the wild animals will eat it," anyway, select "yes" when it asks if you want to pick it up. You will now have an egg with a question-mark on it in the bottom right hand corner square of your tool screen. About a year or so after you find it, the egg will hatch, and your partner will say something like "Oh, how cute, lets call him Pak."
Go to the mall and become friends with the guy that sells the rugs. One day he will as for a peice of wood. give it to him and wait about a week and it should be ready to by.
In town,on most days except rainy, snowy, or days that you can take the ferry, there is a man in blue standing near the first house you see coming in or by the ocean. Be friends with him and give him a item everyday you see him and talk to him also. It takes a very long time but it should work. Before he gives you the pole, on a day that you give him an item and talk to him, he will ask if he can borrow your hammer. Say yes. When he is done, he will give you the pole.
Heres what you do buy a chicken take good care of it and when it turns gold sell it u should get 10000 dollars for it!! p.s make sure its a female chicken
To have a baby of any animal look at the chart for info!!
Chicken: Take one egg and stick it in your incubator (in the first section of the chicken house, no money needed for incubator) It should take a week or two. Cow: When your cow is big enough (anything but a calf) talk to it and it will say "go out side?" say no then it will say "Want a baby?" say yes do this to both male and female Feed the female in the baby stall and the male in his stall. The next day go into the barn and you will see the male next to his stall but the female is in the baby stall. Feed and and brush bot cows. It should take 30 days. Sheep: Same as cow exept shampoo bot instead of brush Horse: Same as cow.**If you don't feed the female she might not give birth but become unhappy! Remember to feed them!!! **
Instead of walking and wasting away your hours you can hold the B button down while using the control pad to run!!
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