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The My Secret Diary game for Nintendo DS allows you safely store all of your secrets in a fun and exciting new way. You can keep a journey that is protected by a password - so you won't have to worry about somebody finding your key. My Secret Diary also features numerous mini-games as well as personality tests, fortune cookies, and a crystal ball. This interactive Nintendo DS game even lets you send secret messages and event invitations to your My Secret Diary friends.
My Secret Diary DS price & price history
The average CIB price for My Secret Diary (DS) was C$17.91 30 days ago and is C$17.96 now — up C$0.06. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is My Secret Diary (DS) worth?
- My Secret Diary for DS is worth C$17.96 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is My Secret Diary going up or down in price?
- The price is trending up — it was C$17.91 30 days ago and is C$17.96 now, a C$0.06 increase.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for My Secret Diary on Nintendo DS. 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 | 2026-05-26 | C$17.96 | CIB | Nintendo DS - My Secret Diary - Complete in Box w/ Manual | |
| eBay | 2026-03-05 | C$3.29 | Game Only | My Secret Diary - Nintendo DS Game - Game Only | |
| eBay | 2025-08-10 | C$5.52 | CIB | Nintendo DS - My Secret Diary *COMPLETE* Cleaned & Tested USA | |
| eBay | 2025-05-08 | C$11.74 | CIB | My Secret Diary - Nintendo DS - Complete CIB | |
| eBay | 2025-04-03 | C$19.94 | Sealed | My Secret Diary (Nintendo DS) - Brand New Sealed | |
| eBay | 2025-03-01 | C$12.36 | CIB | My Secret Diary Nintendo DS - Complete CIB | |
| eBay | 2025-02-28 | C$11.02 | CIB | My Secret Diary - Nintendo DS Game - Complete W/Case & Booklets | |
| eBay | 2024-10-28 | C$6.90 | Game Only | My Secret Diary - Nintendo DS Cart Only Ships Next Day!! | |
| eBay | 2024-10-28 | C$2.75 | Game Only | My Secret Diary (Nintendo DS, 2009). GAME ONLY, NO BOX. | |
| eBay | 2024-08-03 | C$8.82 | Game Only | My Secret Diary - Nintendo DS Game - Game Only |
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