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Score Attack only

Coryoon PCE ScoreAttackOnly.png

Play sound 4 without playing any other sound beforehand in the sound test. A voice will confirm correct entry, and only the Score Attack modes will be selectable on the title screen. The title will also change to turquoise.

Four screen mode

Coryoon PCE FourScreen.png

Play sounds 6, 04, 08, 06, 04, 08, 06, 04, 08 in the sound test. A voice will confirm correct entry, and the screen will be split into four screens on a 512x240 display.

Grayscale mode

Coryoon PCE Grayscale.png

Play sounds 1, 04, 05, 06, 05, 06, 05, 06, 05, 06, 05, 06 in the sound test. A voice will confirm correct entry, and all graphics will be in grayscale.

Grayscale + four screen modes

Coryoon PCE GrayscaleFourScreen.png

Play sounds 1, 01, 07, 06, 08, 00, 00, 00 in the sound test. A voice will confirm correct entry, and both the grayscale and four screen cheats above will be active.

Extended screen resolution

Coryoon PCE ExtendedResolution.png

Play sounds 4, 06, 04, 09, 07, 09, 03, 10 in the sound test. A voice will confirm correct entry, and the horizontal screen resolution will be extended, albeit with black borders.

20 lives

Play sounds 3, 07, 03, 05, 01, 08, 08, 01, 01, 04 in the sound test. A voice will confirm correct entry, and Coryoon will start with 20 lives, though the lives counter cannot show more than 9.

Invincibility

Play sounds 46, 07, 12 in the sound test. A voice will confirm correct entry, and Coryoon will be invincible.

No fruit

Play sounds , 03, 05, 10, 00, 03, 05, 10 in the sound test. A voice will confirm correct entry, and no fruit will appear from enemies.

Maximum level power-ups

Play sounds 8, 04, 01, 03, 07, 05, 06, 04 in the sound test. A voice will confirm correct entry, and Coryoon will only need to collect one weapon power-up instead of three in a row to be fully powered up.

View credits

Play sounds 2, 04, 05, 02, 09, 04 in the sound test. A voice will confirm correct entry, and the ending credits will play after starting the game and watching/skipping the opening sequence.

Unknown cheat

Play sounds 8, 08, 01, 01, 08, 02, 04, 07 in the sound test. A voice will confirm correct entry, but its effects are unknown.

Disable active cheats

Play sound 0 without playing any other sound beforehand in the sound test. A voice will confirm correct entry, and all active cheats will be disabled.

References


Coryoon

Coryoon title.png

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