🧪 Blaster Master (NES) – Prototype / Sample Cartridge – Sunsoft 1988 – RARE 🧪 For Sale

🧪 Blaster Master (NES) – Prototype / Sample Cartridge – Sunsoft 1988 – RARE 🧪

Extremely rare Blaster Master NES prototype cartridge from Sunsoft, labeled as a “Sample Version 88’ May.20” build. This is a genuine development-era piece and not a retail release.

What makes this special:

• Early sample / prototype build dated May 20, 1988
• Marked “SUNSOFT – Sun Corporation of America”
• Contains press/demo ROM with level warp feature (not present in retail version)
• Development cartridge housing with original label

Condition:

• Authentic prototype cartridge shell
• Label shows aging, discoloration, and wear consistent with age
• Residue from an additional removed label on back (see photos)
• Cartridge plastic in solid condition with typical handling wear
• Untested recently (sold as-is due to nature of prototype items)

Notes for collectors:

• Prototypes like this were typically used for internal testing, press previews, or review builds
• Variants with debug or warp features are highly sought after and rarely surface
• A standout piece for serious NES or game preservation collectors

Please review all photos carefully for condition details.

Ships securely packaged and fully insured.