Nintendo DS · 2011
Cancelled: never released on Nintendo DS. Check vs. Mate was announced but never came out, so no original copy exists. Anything listed as this game is a reproduction, a prototype, or a release on another console.
From collectors
Sales collectors logged themselves, each checked by a person before it shows. Their number in their money: never mixed into our estimate.
Sold or bought Check vs. Mate? Log it in a minute: no account. A person checks it, then it shows here for everyone, beside our estimate.
The collectors' corner: this week's poll, reported fakes, shelves on show and the top collectors.
Post a want or a sale at your price. It becomes an open intents.md document that people and AI agents can read, and it's shared to the intentsmd.com feed.
Check vs. Mate on Nintendo DS 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.
Why no number? Check vs. Mate never came out on Nintendo DS, so there's no original copy to price: a number here would be a reproduction's. How we price →
/game/nds/check-vs-mate.md the prices as an intents.md feed · /game/nds/check-vs-mate/intents.md open buy/sell intents · /api/price JSON · /mcp · /agents.md