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Adventure Time: The Secret of the Nameless Kingdom (Nintendo 3DS) cover art

Nintendo 3DS · 2014

Adventure Time: The Secret of the Nameless Kingdom

versionPALNTSC-U

#20 most valuable Nintendo 3DS game · US version, boxed →

£52
CIB, complete in box
sold £51 to £56 · highest recorded sale £60Plastic case: the cover art and manual matter more than the case
◐ good sample · 7 sales
◀ common · cheaperdrag, tap or use ← → · every condition priced & ratedrarer · pricier ▶
Sold prices are US-dollar sales, shown in GBP at the 2026-10-23 ECB reference rate (US$1 = £0.75).

These are estimates from online sold-price data, across all regions. They’re a guide, not an offer: a game is worth what someone pays for it, and shops, markets and local sales can be higher or lower. Condition, photos and the seller’s reputation move a price within the range.

Search CIB on eBay 🇬🇧 ↳ auto-set to your region · change anytime

Adventure Time: The Secret of the Nameless Kingdom (Nintendo 3DS, NTSC-U) sells for about £52 complete in box (7 sales, good sample), ~£45 loose. Other versions: PAL.

Why £52 for cib?

every factor, from real sales · changes with the condition you pick

Sales behind it7CIB sales of the US version Middle half £51 to £56 · highest recorded £60
How sure we are◐ Good sample7 sales: enough for a fair price, not yet a tight one. Rated good.How prices are rated →
Condition ladder
Loose£45 
CIB£521.2× loose
The same game, the same version: what the box, the manual and the seal add.
Where it ranks#20most valuable Nintendo 3DS game, US version, boxed.See the list →

On eBay right now: CIB

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Check the latest CIB copies on eBay 🇬🇧
sells for £52
£51
quick sale · auction
£60
mint · highest recorded sale

Asks run higher than final sales. The green mark is what a CIB copy actually sells for. Click any listing to verify and buy on your own eBay.

From collectors

What collectors paid for Adventure Time: The Secret of the Nameless Kingdom

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What is Adventure Time: The Secret of the Nameless Kingdom (Nintendo 3DS) worth?

    
Adventure Time: The Secret of the Nameless Kingdom on Nintendo 3DS is estimated here by condition and region from sold-price data, each rated for confidence. Loose carts, complete-in-box (CIB), sealed and graded copies each sell for very different amounts, and PAL and NTSC are separate markets we never average together.

    
How much is Adventure Time: The Secret of the Nameless Kingdom (Nintendo 3DS) worth?
Adventure Time: The Secret of the Nameless Kingdom (Nintendo 3DS, NTSC-U) sells for about £52 complete in box (7 sales, good sample), ~£45 loose. These are sold-price estimates for the NTSC-U version; the PAL version is priced separately.
Is a loose Adventure Time: The Secret of the Nameless Kingdom cart worth anything?
A loose NTSC-U cart sells for about ~£45 (1 sale, best guess). A complete-in-box copy sells for about £52.
Are PAL, NTSC-U and NTSC-J Adventure Time: The Secret of the Nameless Kingdom prices different?
Yes. Each version sells in its own market, so we price them separately and never average them together. This page is the NTSC-U version; the PAL version has its own page.

  

  

    
How this number is made, and why it's better. Sold-price estimates, split by region & condition, cleaned of bootlegs and bundles with every exclusion shown, plus specialist pricing on the games we know deeply. Every condition gets a price, honestly rated. Live eBay asks shown separately, and the buy link goes to your own country's eBay. Full methodology →

    
  • a price on every condition
  • each rated for confidence
  • region & language split
  • exclusions shown
  • your local eBay
  • same number for everyone

  

  
For AI agents: this page as data

    /game/3ds/adventure-time-the-secret-of-the-nameless-kingdom.md the prices as an intents.md feed ·
    /game/3ds/adventure-time-the-secret-of-the-nameless-kingdom/intents.md open buy/sell intents ·
    /api/price JSON ·
    /mcp · /agents.md