100% in Game
After starting a new game, press start immediately when you start gameplay hold down L1 and R1. Press buttons in this order (Triangle triangle X circle circle triangle square square x x x triangle) Unpause the game and pause it again, you will have full inventory, all upgrades full animals, all tools, all power nuts and so forth, the only thing you are missing is a wife.
This is untrue because everytime you hit the x button the start menu closes.
All of the girls wanna marry you at the beginning of the summer
At the start of the game when the mayor is talking to you about when you were a kid, at the start of the little movie of you playing with the animals, you can press x,triangle,x,x,square,o,o,x, and all the girls will love you.
Double the Money
When you ship vegetables and other stuff when Zack comes to your farm right at 5:00 press the triangle button and he will double the money but you have to be at the farm at 4:50 and wait.
New Girl...?
There is a rumor that if you let all the girls marry the bachelors in Back to Nature that a new girl will arrive named Elizabeth that you can date!
(Contributed by Ian)
These are all the false rumors for now. If you happen to stumble upon a secret/rumor that someone claims to be true(one that might make sense!), please send it to me so I can try it out!
tui ko hoc tieng anh->Có ai hảo tâm dịch dùm(tui hiểu có chút xíu hà)