Wario Land: Super Mario Land 3

Cheat mode:
Press Start to pause game play, then press Select(16). A square cursor will appear on the status line. Hold A + B and press Left or Right to move the cursor. Press Up or Down to change the number of current coins, lives, hearts, or time. Move the cursor on the small Wario head and press Up or Start to change Wario into the next powered-up version (Small, Hard Hat, Bull, Jet, Dragon). Press Start to resume game play.
Information in this section was contributed by Robert Essen, SPIERSON38, JimmyLu34, and M.Schneider.

In-game reset:
Press A + B + Start + Select during game play.
Information in this section was contributed by Billy Grant, Erik Christopherson, and Justin Pless.

Locate hidden treasures:
After completing the game without the best ending ($99,999), start the game again and enter the flashing Saved Game pipe. Levels with unclaimed hidden treasures will be marked with flashing dots on the level circles.

Level warp:
Note: In order to use this trick, you must get to the item box in-between levels. There will be a little white block before the end of level 3. Get on the block and push down. Hold it for approximately three seconds to fall through. Do not jump. After completing the level, you can warp ahead.
Information in this section was contributed by MadDog1bpt.

Hint: Get to Sherbet Land:
Kill the two rats that throw knives at the end of the second level of Mt. Teapot. You must be Jet Wario for the following. Jump at the arrow of coins and press B to jet. Face the way that you came from to reach a small platform. Bump into a face block and get a heart. Get on top of the block and face towards the end of the level. Jump as high and far as possible and press B to jet. You will go to a passage and reach a different end-of-level door that leads to Sherbet Land.
Information in this section was contributed by Robert Essen.

Hint: Secret level in Parsley Woods:
Start game play in the Parsley Woods level and find the big tree (if you look on top of Syrup Castle you will see a tree sticking out of Parsley Woods that looks like a fork). Find the secret door to reach a secret level. It has three big blocks with 300 coins in it, but you can only go to it once.
Information in this section was contributed by cartoonland.

Hint: Secret level in Sherbet Land:
Get to the end of level 15. You will need to have the Jetpack Helmet. Jump up in the air and use the Jet Pack while you are still in the air to fly forward. You will go up a level and find a secret level.
Information in this section was contributed by TheDinkleKids.

Hint: Better jumps:
To jump higher and faster, press Up during your jump. For example, when jumping to the left, press Up/Left.
Information in this section was contributed by Matthias Verstraete.

Hint: More coins:
Use the "Cheat mode" code in level 2 and select a jet head. Start jetting off high to find a door that leads to many coins. In the coin place, put an enemy under the Pouncer. When Pouncer comes down, the enemy becomes a coin with a "+" on it, which is worth 10 coins.
Information in this section was contributed by mpshaw1.

Hint: More points:
At the end of every level immediately before the exit door, put the 10 + coin into the ending door slot. Before you go in to the door, pause game play enable the "Cheat mode" code. A little square cursor will appear around the second digit in the lives column. Hold B and move the cursor over the digits in coins and change them all to 9 (and if you want, change every thing to 9s). Note: If you want to play the game at the end with the bomb where you win hearts, make the hearts column 30. This way, the highest amount of hearts you can get in the game (besides the extra life) is 70, which will give you an extra life anyway.
Information in this section was contributed by Micro500.

Hint: Unlimited items:
Complete every level in each world, then go back to any world of your choice. Go to where a toad house was located. Go into the toad house, get your item, and get out. The toad house will still be there. Repeat this process as many times as desired until your item pocket is full. Note: The levels do not include Hammer Bros., Boomerang Bros. or Fire Bros.
Information in this section was contributed by Evie.

Hint: Defeating Devil's Head:
Press Up to catch the spiked red balls he shoots out of his nose. Jump up next to him and throw the ball at his nose by pressing B .Do this about three or four times and he will be gone. After you defeat the Boss, about 150 coins will fall from the sky.
Information in this section was contributed by Christopher DiPaolo.

Hint: Defeating the Bosses:
Information in this section was contributed by Christopher DiPaolo.

Boss 1: Have the Bull hat and ram him whenever he is standing normally. This should take about three attempts.

Boss 2: Ram this one repeatedly until he falls off the edge.

Boss 3: When he shoots the fireballs out of his nose, press Up to catch them and throw them back. This should take three to four attempts.

Boss 3: When he shoots the little birds out of his mouth, jump on top of his head. This should take about three attempts.

Glitch: Strange graphics:
Go the lava level with the little train. At the end, you will reach a spring. Hold Down and crawl over to the spring. The graphics may look strange, and it may appear as if you are walking on air suddenly. Keeping Down held, walk around until you get to the next spring, then the final spring. Once you are at the top, release Down . Next, drop down two ledges. The visuals may get strange again -- try not to fall in the lava. Once you are at the bottom, walk to the right and press Up to enter the door. Note: Do not throw a coin because the door is already open. You should now be falling. Do not move until you hit the ground. You are now in the same level, but the background is the skull theme, all the enemies are replaced by other ones. Be careful, because the lava is now hard to distinguish from the background.
Information in this section was contributed by Gint.

Glitch: Invisible water:
After you have completed the game, go to the first island and play the first level. There should be water throughout. Keep jumping through the water and do not get any coins or kill anyone. Make yourself get small somewhere throughout the level and continue on. When you get to the end, kill the enemy with the spike ball. Look at the sign that has an arrow pointing up and the letter B after it in the background. Stand directly below the "B" part of that sign and jump as high as you can. When you jump, you will hear a splashing sound and see water appear, but there is no visible water nearby.
Information in this section was contributed by mlbattista.

Glitch: Strange train:
Before you can perform this glitch, you will need to be able to access Course #35 and become Jet Wario. In Course #35, there will be two objects, a large caboose (with a doorway) and a train cart. As Jet Wario, jump onto the cart, then jet onto the top of the caboose. From there, jump up as high as you can (so that you are off screen) and jet your way to the left, still off-screen. Do not cease boosting. If done correctly, you should see yourself glide across the screen once, down to a blank screen, then you will land on a seemingly normal map. Try to move around. Even though you see one map, you are standing on a different one. Try jumping around. You will go through the carts at some places, and stand on the air at others. You can even slam the invisible blocks and they will show up as cracked blocks, wherever they are, whether in the train, or midair. To escape, jet off of the screen again and keep gliding until you hit the ground.
Information in this section was contributed by Andrew Konishi.