Mattel Intellivision Cheats - Vectron

Hidden Message

To see a hidden message, successfully complete level 99. The following hidden message will appear on the screen: "Congratulations. You are very good."

Mattel Intellivision Cheats - U.S. Ski Team Skiing

Hidden Programmer Name

Stop just before you cross the finish line. Garbled characters should appear at the bottom of the screen in which the programmer's name is concealed.

Scrambled timer display

Face horizontally and ski into the edge of the screen while the timer is on the screen. Allow the game to remain at this screen, forcing the timer to eventually roll over the numeric characters and being to display text and graphic blocks.

Mattel Intellivision Cheats - Tron: Deadly Discs

Move and shoot simultaneously

To move and shoot at the same time, use controller 1 to shoot discs while using the directional pad on controller 2 to move (or vice versa).

Easy points

For easy points, open both the upper left and upper right warp doors. Enter either door and then stay in the door that you transport to. While in this location, most of the discs thrown at you will pass through without harming you. Stay at this location and break the enemy discs that appear. Throw your disc to keep only one opponent on the screen at all times.

Mattel Intellivision Cheats - Triple Action

Extra point (Biplanes)

The game is supposed to end after the player scores 15 points, however, any shots already in the air at that time will still count if they hit their target, allowing the player to win with 16 points.

Shoot through the tower (Biplanes)

To make yout bullets pass through the tower, shoot at the narrow spot on the upper half of the tower. It may take a few tries to get it right.

Mattel Intellivision Cheats - Tower Of Doom

View Credits

To view the credits, press 0 at the title screen.

Mattel Intellivision Cheats - Swords & Serpents

Hidden Programmer Initials

When in the dragon's lair, walk around the interior and avoid getting killed by the black knights and evil wizards. The initials of the programmer will eventually appear.

Mattel Intellivision Cheats - Super Pro Football

View Credits

To view the credits, press 0 at the title screen.

Mattel Intellivision Cheats - Super Pro Decathlon

View Credits

Do not press any buttons at the title screen and leave the game idle until the credits appear.

Mattel Intellivision Cheats - Star Strike

Freeze Ship

Hold the Directional Pad on controller 1 in any position and press one of the Top Action Buttons. The ship will remain at the same screen position. Release the directional pad to go back to normal.

Mattel Intellivision Cheats - Slap Shot Super Pro Hockey

View Credits

Do not press any buttons at the title screen and leave the game idle until the credits appear.

Mattel Intellivision Cheats - Slam Dunk Super Pro Basketball

View Credits

To view the credits, press 0 at the title screen.

Mattel Intellivision Cheats - Sewer Sam

Alternate Sprite

For an alternate Sam sprite, press 6, 4, 5, 5, then 1 at the "Press Start" screen.

Mattel Intellivision Cheats - Night Stalker

Run and shoot simultaneously

To run and shoot at the same time, use controller 1 to shoot while using the Directional Pad on controller 2 to move (or vice versa).

Easily destroy robot

The robots are only able to shoot one bullet on the screen at a time. Expose part of your character to a robot so it will shoot a poor shot, then destroy the robot before its bullet leaves the screen.

Mattel Intellivision Cheats - Mountain Madness Super Pro Skiing

View Credits

Do not press any buttons at the title screen and leave the game idle until the credits appear.

Mattel Intellivision Cheats - Monster Truck Rally

View Credits

Do not press any buttons at the title screen and leave the game idle until the credits appear.

Mattel Intellivision Cheats - Mission X

View Credits

To view the credits, hold 9 on controller 1 and 6 on controller 2, then press Reset at the title screen to display the name of the programmer, John Tomlinson.

Mattel Intellivision Cheats - Mattel Intellivision Hardware

Slower game play

Press 1, 2, or 3, instead of using the Directional Pad to start a game. Various games will play at a slower speed when started using these buttons.

Pause game play

To pause a game, press 1 and 9 or 3 and 7 simultaneously during game play.

Mattel Intellivision Cheats - Lock 'n' Chase

Warp across screen

While standing inside the upper tunnel, continuously move back and forth while partway off the screen. You will eventually disappear and re-appear on the other side of the screen after a period of time.

Extra points

For extra points, lose your last life at the exact same time as you pick up a coin or other bonus item.

Alternate Exit

Clear all of the coins from a maze, then lock the door directly below the upper exit. Now, run into this locked door from above to freeze to it, then press Up to complete the level without touching the exit.

Mattel Intellivision Cheats - Hover Force

View Credits

To view the credits, press 0 at the title screen.

Hidden Message

Hold 2 and 3 on controller 1, and hold 2 and 6 on controller 2, then press Reset. A hidden message from the programmer to his family will be displayed.

Mattel Intellivision Cheats - Diner

View Credits

Don't press any buttons at the title screen and leave it idle for a while. Eventually, the credits will appear.