Mario 64 1,000 coin trick: go to any Bowser and keeep running around him and collect the coins that appear after his fire. Once a 1,000 coins are had from now on you'll gain a life everytime you die. Beware though 1-ups will subtract a life. Go up a slope: while sliding down a slope jump up and kick while pulling back. Repeat to go up. Water trick: when your low on health just find some water and dive in and rest there till all your energy returns. No damage from falls: falling from the great hieghts in this game is unavoidable. So when you find yourself looking at the ground rushing towards to your face ready to spread your inards all over the relm try this. Don't hit any buttons on your way to your demise. then watch your shadow. When the ground gets really close hit a button to do a dive or whatever. This'll make it so your not hurt and its pretty fun just to try it out to make sure you can do it. Change Obstacle Speed: To change the obstacle speed on Course 14, try this. For slower obstacles, enter when the minute hand is on 3. To stop them completely, enter when the minute hand is on 12. Find Yoshi: Collect all 120 Stars. Go to the Castle Gardens. The grid near the Fish Pond will open, revealing a cannon. Shoot yourself onto the roof of the Castle and Yoshi will be there! Messed-up Room: Get 120 stars and shoot yourself to the top of the roof were Yoshi is. Then get the wings and fly to the highest ledge you can stand on.Run up the wall and you should fall in the roof in to a messed up room. This might take a few tries. Stretch Mario: Turn on the game. When you see Mario's face, hold all buttons and use the d-pad or joystick to stretch Mario's features. To maintain his warped features, hold the Right Trigger.