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One Piece: Treasure Battle! (GameCube) cover art

GameCube · 2002

One Piece: Treasure Battle!

versionNTSC-J

#38 most valuable GameCube game · Japan version, boxed →

$8
Loose, cart only
sold $5 to $8 · highest recorded sale $8
◐ good sample · 5 sales
◀ common · cheaperdrag, tap or use ← → · every condition priced & ratedrarer · pricier ▶

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 Loose on eBay 🇺🇸 ↳ auto-set to your region · change anytime

One Piece: Treasure Battle! (GameCube, NTSC-J) sells for about $8 loose (5 sales, good sample), $65+ sealed.

Why $8 for loose?

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

Sales behind it5Loose sales of the Japanese version Middle half $5 to $8 · highest recorded $8
How sure we are◐ Good sample5 sales: enough for a fair price, not yet a tight one. Rated good.How prices are rated →
Condition ladder
Loose$8 
Sealed$658.2× loose
The same game, the same version: what the box, the manual and the seal add.

On eBay right now: Loose

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Check the latest Loose copies on eBay 🇺🇸
sells for $8
$5
quick sale · auction
$8
mint · highest recorded sale

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

⚠ Held back: our CIB sold data looked misclassified (priced below a lower condition). We withhold a number we don't trust rather than show it: the exact thing that makes other guides unreliable.

From collectors

What collectors paid for One Piece: Treasure Battle!

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One Piece: Treasure Battle! · GameCube

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What is One Piece: Treasure Battle! (GameCube) worth?

    
One Piece: Treasure Battle! on GameCube 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 One Piece: Treasure Battle! (GameCube) worth?
One Piece: Treasure Battle! (GameCube, NTSC-J) sells for about $8 loose (5 sales, good sample), $65+ sealed. These are sold-price estimates for the NTSC-J version.
Is a loose One Piece: Treasure Battle! cart worth anything?
A loose NTSC-J cart sells for about $8 (5 sales, good sample).
How much is a sealed One Piece: Treasure Battle! worth?
Sealed NTSC-J copies sell for $65+ (a floor: sealed prices spread widely). "Sealed" means listed as factory-sealed, which nobody here verifies.

  

  

    
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/gc/one-piece-treasure-battle.md the prices as an intents.md feed ·
    /game/gc/one-piece-treasure-battle/intents.md open buy/sell intents ·
    /api/price JSON ·
    /mcp · /agents.md