Level 4-5
On the fourth level enter the large block of mechanical cells
at the top. There will be two openings, fly up into the first and backwards
into the crescent. You will access a secret level.
Invincibility
Plug in both controllers.
Hold Down-Right on Controller One and Up-Left + Button 1 on
Controller Two.
Turn on the unit and continue holding these buttons until
"R-Type" comes on the screen.
Extra Continues
During the continue screen rotate the directional pad in a
clockwise direction for a maximum of 12 continues.
Even More Continues
During the sound test play sound effect 62 three times then
exit the sound test.
On the continue screen rotate the directional pad in a
clockwise direction for more continues.
You can access a maximum of 30 continues. This code can be
repeated unlimited times.
Note: Don’t try and get more than 99 continues because it
will reset at 00.
Sound Test
During the continue screen rotate the directional pad in a
counter clockwise direction
Extended Sound Test
During the sound test there are 17 sounds.
If you hold button 2 and press right you can access up to 95
sound effects.