-Sound Test: On the GAME OVER screen, press A+B+SELECT. Or, try holding B until the screen fades away.
-Reverse Mode: Hold CNTRL II: A+B and press CNTRL I: START.
-Continue:Play the game and die. When the title screen appears, press Left three times, then press the B buttonthree times, then the A button three times. Then press Start.
ALIEN SYNDROME
-Transfer Men: If you lose all of your men in a 2-player game, press A+B to steal one from your partner.
-Double Weapons: During a 2-player game, have both players touch a weapon simultaneously and both will receive it.
BABY BOOMER
-Extra Lives: Certain objects yield extra lives if you shoot them repeatedly. In level one, the fire hydrant. Level 2, the tall & skinny tombstone. For level 4, the stalactite hanging over the bridge. For level 6, the torch.
BEE 52
-Warp to Level 4: When choosing a level entry door, enter the left door, then walk left to the final flower and enter it.
-Start with Jr.: On the Get Ready screen, press R A B A B START.
BIG NOSE THE CAVEMAN
Leroy's Secret Shop: On Island 1/Level 4, you will go up into the clouds. When you fall down again, jump onto the large limb of the tree. Walk a few steps, just past the center, and jump up. You will find yourself in Leroy's Secret Shop, where you can buy some neat things.
CAPTAIN COMIC
-Game Lock-up: When you reach Space World, turn left, jup atop the wall that is behind the door, and press U. A door will appear and the game will lock up.
-When you lose all of your energy, jump in the air instead of walking on the ground and you will continue playing until you don't jump.
CHILLER
If you're having trouble finding those talismans, just switch to zapper mode. When you're at the stage in question, fire at anything. You will see red squares pop up all over the screen. Those are all of the hitable targets; the talisman is surely one of them. Now isn't poor coding fun?
CRYSTAL MINES
-Stage Select: Press START at the title screen. When the screen with the player and level number/name appears, use A and B to cycle through the levels.
EXODUS
-Stage Select: On the stage selection screen, press A to skip to higher levels and B to return to lower ones.
FIRE HAWK
-Messages: Get a high score and enter your name as |Dizzy|, |Mig 29|, or |Camerica| to get a special message. Each name has a different one.
-Stage Skip: On the title screen, press START+A to skip the first stage.
GAUNTLET
-Codes for room number 79 |43C BBI HZY| Wizard |43C BBI HYY| Elf |43C BBI HYZ| Valkyrie |43C BBI HZZ| Warrior Code for final room if used with above 4 player codes: |XRTW98Y7|
-Password Entry: On the 1/2 player select screen, hold A and press START to reach the password entry screen.
-Endless Play: If you are playing a two player game and you lose all your lives, quickly press START to continue with another character. This only works if one of the players is still alive.
-Clues: Clues can be found in rooms 16, 26, 46, 54, 66, 70, 81, and 90. Collect them all to pass Morak.
-Reset: Press SELECT+START+A+B.
-Evade Stun Tiles: If you step on a stun tile, press STARTx2 to free yourself from it quickly.
-Music Reset: Quickly press SELECT START B A.
METAL FIGHTER
Level Select 1: When the title screen comes up press the Select button one time less than the level you want to start at. That is, press the Select button 5 times to start on Level 6.
Level Select 2: When the title screen appears press down both the A and B buttons. At the same time, hit the Select button twice for Stage 2, three times for Stage 3, etc. Then hit the Start button.
MICRO MACHINES
-Magic Qualify: When a race is over, hold U+SELECT+B until the screen changes to the water color. Press START, and you will find that you have qualified, regardless of your performance.
-Race 2 (Desktop Dropoff): When you jump off the folder, pause the game. The screen will go white; unpause the game and you will find yourself with an extra life (which may not show until you finish Tuff Trax or loose a race).
-Race 4 (Sandy Straights): Go backwards until you get to the first bend, which is near the water, and then pause the game. The lap counter will decrease. Turn around and cross the line for an easy victory.
-Race 7 (Hangman's Curve): Go to the bottom left of the track, leaving the other vehicles behind, and you will find a large oil drum. Drive into the spout as fast as you can, then pause the game several times. The screen should turn white, and you will win.
-Race 9 (Sahara Straights): Follow the track until you see a footprint in the sand. Drive into the bottom of the footprint and then pause the game. The screen will turn white; unpause the game to receive turbo.
-Race 10 (Potted Passage): Follow the green pipe down until it dissapears into the plants. Get your chopper into the gap, pause the game, and the screen will turn white. You now have the super glue grip.
MIG 29 SOVIET FIGHTER
-All Weapons: Earn a high score and enter the name |LINUS|. Begin a new game.
-Get Every Weapon:Use the arcade controls. After the lift-off swing left then swing to the right. If this is done correctly, every weapon should be in your control.
R.B.I. BASEBALL
-Programmers' Screen: Press A+B+START on the title screen.
R.B.I. BASEBALL II
-Passwords for playing against Team Tengen Toronto |F00MB6AP| Detroit |R00MB6AP| Minnesota |SI0MB6AP| Cleveland |V00MB6AP| Boston |J00MB6AP| Seattle |SA0MB6AP| California |SU0MB6AP| Oakland |SE0MB6AP|
ROLLING THUNDER
|1-1|7567651| |2-6 |8511502| |3-1|6692956| |3-6 |7236972|
|1-2|4023399| |2-7 |6609809| |3-2|4516110| |3-7 |8774494|
|1-3|6426099| |2-8 |6127306| |3-3|6396857| |3-8 |2205789|
|1-4|3009912| |2-9 |3495242| |3-4|4249741| |3-9 |6252184|
|1-5|1450064| |2-10|6765136| |3-5|6916079| |3-10|6983701|
SHINOBI
-Stage Select: Press D D L R U U START.
SUPER SPRINT
Extra Laps: Just before you finish the first lap, turn on the slow motion button (or press Start very rapidly). As you cross the line, every time the game pauses and un-pauses a lap is added. Depending on your car's speed you can add up to three laps. Keep the slow motion on even a few seconds after you cross the line and sometimes the game will continue to add laps.
TENGEN TETRIS
-Instant Line: Once per level, you can change any piece into a straight line. Simply pause and press U U D D L R L R B A START.
-Stage Select: Pause the game and press U D U D L R B B A.
TREASURE ISLAND DIZZY (in Quattro Adventure)
-View Credits: Go to the sunken ship and stand on the platform on the far left side. Stand on the right half on the platform and press B.