Little Planet and the Time Stones from Sonic CD
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UniverseSonic CDTime Stones
A small celestial body that shows itself only one month a year above Never Lake: Little Planet, Miracle Planet in Japan, serves as the one and only setting of Sonic CD. Robotnik chains it to a mountain to plunder the seven Time Stones, jewels capable of bending the course of time. The game's mechanics are broken down: “Past” and “Future” signposts, speed held for a few seconds, a robot generator to destroy in the past to secure a good future, from Palmtree Panic to Metallic Madness. Metal Sonic and Amy Rose make their debut here, right through to the Stardust Speedway race.
Summary
A mysterious little planet that only appears one month a year, gems capable of controlling time, and two iconic characters making their debuts: welcome to Little Planet, the unique setting of Sonic CD (1993).
đź’ż This special game deserves its own feature: (re)read why Sonic CD is cult.
What is Little Planet?
Little Planet (called Miracle Planet in Japan) is a small, mystical celestial body that only appears above Never Lake during the last month of each year. In Sonic CD, Dr. Robotnik chains it to a mountain and transforms it into a robot fortress to plunder its treasures.

đź”— It takes a chain and an entire mountain for Robotnik to hold Little Planet above Never Lake; at your scale, one of our Sonic belts settles the same question of holding things in place, no mountain required.
The Time Stones, masters of time
What Eggman covets are the seven Time Stones hidden on the planet: mystical jewels capable of controlling the flow of time. This is the "temporal" version of the famous Chaos Emeralds, unique to this episode.
đź’Ž To compare with the saga's most famous stones, here is the file on the Chaos Emeralds.
First Appearance
Sonic Figurine — Amy Rose
Amy Rose also makes her first appearance in Sonic CD.
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đź’Ž In Sonic CD, the Chaos Emeralds give way to the seven Time Stones, gems you have to track down somewhere on Little Planet; our Sonic bracelets, on the other hand, already close around your wrist.
Time travel
The heart of Sonic CD is its time travel. Each act exists in four versions: past, present, good future, and bad future. By touching a "Past" or "Future" sign and maintaining high speed for a few seconds, Sonic shifts from one era to another.
To obtain a good future in an area, you must go into the past and destroy Eggman's robot generator there. (Destroying the Metal Sonic hologram is optional and has no effect on the ending.) Another method: collect the seven Time Stones, which guarantees a good future everywhere and the best ending.

The debuts of Metal Sonic and Amy
Sonic CD is a game of firsts. Metal Sonic, the robotic doppelganger created by Eggman, makes his very first appearance here. Amy Rose also makes her first appearance in a video game (the character first appeared in 1992 in the Sonic the Hedgehog manga, under the name Rosy the Rascal) — and is fittingly kidnapped by Metal Sonic.
🤖 The metal rival has his profile: (re)discover Metal Sonic.
đź’— And Sonic's fiery admirer too: (re)read the story of Amy Rose.
Born on Little Planet
POP Metal Sonic Figure
Metal Sonic makes his grand debut in Sonic CD, on Little Planet.
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View Product →🤖 In Stardust Speedway, Sonic has to beat a metal double straight out of Eggman's workshop to free Amy; your phone has no rival to fear, only the floor tiles, and one of our Sonic iPhone cases to soften the landing.
Summary table
| Element | Detail |
|---|---|
| Location | The Little Planet (Miracle Planet) |
| Special feature | Appears only one month per year above Never Lake |
| Coveted treasure | The 7 Time Stones (time control) |
| Mechanic | Time travel (past / present / good & bad future) |
| Good future | Destroy the robot generator in the past |
| First appearances | Metal Sonic and Amy Rose |
| Game | Sonic CD (1993, Mega-CD) |
FAQ
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What is Little Planet?A mystical little planet that appears only one month a year above Never Lake, the setting of Sonic CD.
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What are the Time Stones?Seven jewels hidden on Little Planet that allow you to control time.
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How do you time travel in Sonic CD?By touching a "Past" or "Future" sign and maintaining a high speed for a few seconds.
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How do you get a good future?By destroying the robot generator in the past of each zone, or by collecting the seven Time Stones.
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Which characters debut in Sonic CD?Metal Sonic and Amy Rose make their first appearance.
🔎 To go further: the Phantom Ruby, Stardust Speedway, Metallic Madness, Palmtree Panic and Quartz Quadrant.