Building an N64 collection requires knowing where to look and how to evaluate condition. The market spans online marketplaces, dedicated retro retailers, and physical hunting grounds.
Online Marketplaces
eBay: Largest selection; filter by "Complete in Box" (CIB), "Cartridge Only," region (NTSC-U/J/PAL). Check seller feedback carefully.
Etsy: Good for CIB, sealed, or variant cartridges; often curated by collectors with detailed photos.
Amazon: Mostly third-party sellers; verify condition descriptions carefully before purchasing.
PriceCharting.com: Not a store, but aggregates prices across eBay, Amazon, etc.—use to check fair market value before buying.
DKOldies, JJGames, Lukie Games: Dedicated retro retailers with warranties/grading; prices at a premium but with buyer protection.
Physical Stores
Local Game Stores (LGS): Call ahead; many have N64 sections. Support local!
GameStop: Select stores carry retro; check website for "Retro" filter and store pickup availability.