Defenders of Dynatron City (Prototype)

Defenders of Dynatron City (Prototype)
Dump status Released Dumped by Frank Cifaldi Released by Josh Hamblin File release date December 25, 2024 Origin NES-TLROM-01 cartridge Lot Steven McKay Auction Ownership Josh Hamblin (2024) Game Defenders of Dynatron City System NES

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A prototype of Defenders of Dynatron City for the NES.

Notes

WATA certification

Certification Number: 595776-088

Analysis: Frank Cifaldi

Object Analysis:

Object is an NES cartridge with a printed sticker label identifying the game's publisher, LucasArts. A window is cut out of the front to allow the game's two data EPROMs to protrude. The back of the cartridge has the text "'Property' of Kalani" written in marker, likely referring to the game's producer, Kalani Streicher.

The circuit board inside bares part number NES-TLROM-01, a part typically used for retail game manufacturing, as opposed to prototyping. The board appears authentic, and the IC chips have manufacturing dates appropriate to the game's development period.

Data Analysis:

(Hash info is for the combined headerless ROM)

CRC-32: 4063F166

SHA-1: 82439E1A5075D2EB04A09BBB02BDDB7B752AAE2C

SHA-256: 792BF2F9B6FD389F288C294E5FD28D92DDC4A14BB48329A8D4951ACCCB334CDB

MD-5: B95C0D940DB031533B10A079D3B8454B

The data differs from the retail game, and does not match any known data on the internet. No gameplay differences were observed. Our research indicates that the game was submitted to Nintendo for manufacturing five times, so it is possible that this is a build submitted for manufacturing that was later revised.

Provenance Notes:

According to the submitter, this item was purchased from the McLaren Auction Services "Vintage Nintendo Online-Only Auction," which ran from March 25 to April 1, 2022. McLaren claims that these items came from Steve McKay, former "General Manager of the Mexico Division" at Nintendo. Approximately 97 items from this auction were submitted to WATA at once. Given that the auction listings are not archived on McLaren's website, I was unable to verify each individual item as having come from the auction. However, I did view this auction when it was live, and can attest that the scope of this collection is in line with my memory of what was available.

Conclusion:

Given the authentic parts used, the provenance, and the unique data available across the items from this McLaren auction, I have no reason to doubt the authenticity of this item.

Origin

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