Zaxxon

type RED at the title screen and you'll be immune to destruction. You may have to try it a few time until it takes. When you've succeeded, you'll see the word RED colored red just above the Zaxxon logo ;ind just below your previous score. Once that happens, just sum and play the game in the usual manner

Climbing to maximum altitude and moving to the right will see you safely past this obstable.

If you type "red" when the scores come up on Sega's Zaxxon you will now be invulnerable and can fly through walls.

Type in "Red" at the start of Program to enter the Cheat Mode and become immortal.

You get one new pair of shears if you manage to reach 5.000 points