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The game begins with Doctor Eggman turning Tails, Amy Rose, Rouge, and the Master Emerald into cards with his new device. Sonic and Knuckles arrive on the scene, and find out what has happened. Knuckles, bent on saving the Master Emerald, tells Sonic that teamwork is out of the question and that he needs to get to Eggman first. Sonic snickers and says that he likes a good challenge. Meanwhile, Shadow the Hedgehog receives a distress signal from Eggman. Suddenly, a mysterious hedgehog named Silver appears from the future. Silver is then pursued by Shadow. When they encounter each other, Silver tells Shadow he needs to get to Eggman, first. After numerous conflicts, it is revealed that Dr. Eggman is in fact Eggman Nega and that the real Doctor Eggman is captured into a card prior to the story. After one final battle with Sonic, Knuckles, Shadow and Silver, Nega is defeated, everyone is reverted to their original forms, and Silver returns to the future with Eggman Nega who is trapped inside a card.
Sonic Rivals PSP price & price history
The average CIB price for Sonic Rivals (PSP) was $17.97 30 days ago and is $17.50 now — down $0.47. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is Sonic Rivals (PSP) worth?
- Sonic Rivals for PSP is worth $17.50 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is Sonic Rivals going up or down in price?
- The price is trending down — it was $17.97 30 days ago and is $17.50 now, a $0.47 decrease.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for Sonic Rivals on PlayStation Portable. 100 Coins computes its own average from the individual eBay sold listings it tracks for this exact edition, weighted so recent sales count for more — which is why the two differ. Both numbers are shown on every condition card above.
- Where does 100 Coins get its price data?
- All prices on 100 Coins come from real eBay sold listings — actual completed transactions, not asking prices or estimates. Prices are updated daily.
| Source | Date | Price | Completeness | Description | Report |
|---|---|---|---|---|---|
| eBay | 2026-04-27 | $14.99 | CIB | Sonic Rivals (Sony PSP, 2006) CIB | |
| eBay | 2026-04-25 | $19.98 | CIB | Sonic Rivals (Sony PSP, 2006) - Complete w/ Manual - Tested Working | |
| eBay | 2026-04-25 | $19.98 | CIB | Sonic Rivals (Sony PSP, 2006) - Complete w/ Manual - Tested Working | |
| eBay | 2026-04-16 | $19.94 | Game Only | Sonic Rivals (Sony PSP, 2006) Disc Only | |
| eBay | 2026-04-14 | $44.95 | Sealed | Sonic Rivals PSP - PlayStation Portable Factory Sealed. Never Opened | |
| eBay | 2026-04-11 | $14.99 | Game Only | Sonic Rivals (Sony PSP, 2006) TESTED WORKING Disc Only Sega | |
| eBay | 2026-04-05 | $12.99 | CIB | Sonic Rivals (2006, Sony PSP) CIB, Tested and Working | |
| eBay | 2026-03-24 | $9.94 | Game Only | Sonic Rivals (Sony PSP, 2006) UMD Disc Only Tested Working | |
| eBay | 2026-03-23 | $9.99 | Game Only | Sonic Rivals (Sony PlayStation Portable PSP, 2006) Disc Only | |
| eBay | 2026-03-17 | $14.97 | Game Only | Sonic Rivals for Sony PSP Playstation Portable Cart Disc Only - Tested Working |
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