Ristar/Hidden content

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Passwords

In addition to the five passwords revealed in game, a number of others also affect the game. While all codes exist in both ROMs, some only function in the Japanese version:

Note that Ristar only checks the leftmost letters for codes, so if a code isn't six letters long, it does not matter what the remaining letters are set to. For example, the STAR code can be written as STARS or STARRY and have the same effect.

Invincibilty

Enter CANDY. This only works in the Japanese version of the game.

True Sight

Enter MIEMIE. Will mark hidden items' grab points with a blue star.

Hyper mode

Enter FEEL. This is essentially the CANDY (invincibility), ILOVEU (round select) and MIEMIE (true sight) codes in one. This only works in the Japanese version of the game.

No continue limit

Enter AAAAAA. This only works in the Japanese version of the game.

Shooting star

Enter STAR. This only works in the Japanese version of the game.

Show the Valdi system

Enter VALDI. This only works in the Japanese version of the game.

Reverse the high score in demo mode

Enter HETAP. The high score will becomes the worst score at 9,999,900 points.

"Please wait for next story" text

Enter MASTER to reveal some text that may be hinting at a sequel. This only works in the Japanese version of the game.

Show copyright information

Enter AGES.

Clear all passwords

Enter XXXXXX. This clears the effects of any previously entered passwords.

Change final boss stage palette to yellow

Enter MACCHA. This only works in the Japanese version of the game.

Mary Had a Little Lamb

If the player waits for one minute after throwing the final metronome to the final Umotomat in the first area of Planet Sonata before encountering the mini-boss, a rendition of "Mary Had a Little Lamb" will play.

Bonus jewel in Planet Sonata's mini-boss

If the mini-boss of Planet Sonata is defeated before the first wave of Chibis appear, an Umotomat will fly in from the right and drop a Yellow Jewel worth 10,000 points. As the bobbing heads move quickly in randomised patterns, this is incredibly difficult to do, though a player with quick-enough reflexes can land three hits on one of the heads during the mini-boss intro.

Unused content

Audio

Audio	ID	Description
	21	A springy sound.
	22	A "thud" sound effect.
	2E	Sounds like a rustling bush, much like the bushes in Round 1-1.
	2F	Another rustling sound.
	3F	Sounds like something freezing.
	41
	43	A harsh metallic clang.
	46	Used for the parachute bombs in Round 5-2 in the 07-01 prototype.
	48	A small explosion sound.
	4A	A dizzying sort of sound.
	4B	A light tapping sound, akin to a woodpecker.
	50
	65	Comes after the tidal sounds of Round 2-1.
	69	Used for Uranim's laser projectile in the 07-01 prototype. Was replaced with a voice sample.
	6A	Used when hitting Uranim in the 07-01 prototype. Was replaced with a voice sample.
	6B	Used when Uranim started to charge his laser projectile in the 07-01 prototype. Was replaced with a voice sample.
	77	A destructive sound of some kind.
	79	A destructive sound of some kind.
	82	A low humming sound that loops indefinitely.
	85	Bubbling sounds.
	86	Sounds like a sped-up version of the bubble-grabbing sound effect from the Sonic the Hedgehog games.
	87	Sounds like a sped-up version of the underwater warning bell from the Sonic the Hedgehog games.
	88	A buzzer sound for making an incorrect choice.
	B2	A voice sample of laughter.
	E1	A voice sample associated with the Freon native.
	E5	A sound effect from Sonic the Hedgehog 3. It is not in the 07-01 prototype, and not used in any version.
	E7	A sound effect from Sonic the Hedgehog 3. It is not in the 07-01 prototype, and not used in any version.
	E8	A sound effect from Sonic the Hedgehog 3. It is not in the 07-01 prototype, and not used in any version.

Debug features

Free movement

Enter Pro Action Replay code FFE50B:78 to enable a free movement feature. While in free movement mode, hold , or to move faster. To exit free movement, disable the code and press  START .

Old stage select

An early text-based stage select can be accessed using the following Game Genie codes depending on game version and pressing  START :

NTSC-J	BZ6A-AAHG + AP6A-AZ9J
NTSC-U/PAL	BZ6A-AAH8 + AP6A-AZ2A

To navigate this screen, press and to select a level. Note that in the International versions, there is no text displayed as the font used for this screen has been removed, but the stage select is still functional.

Slow motion

Pro Action Replay code FFFE05:08 will enable a slow motion mode, cutting game speed by half. Be warned, as the game will freeze after completing a stage when using this mode.