The following is a prototype of Gauntlet II for the Game Boy, developed by Tengen and published by Mindscape. The cartridge was originally owned by Steve McKay, former General Manager of Nintendo’s Mexico division. Upon opening the shell we were greeted by dead spiders and dirt. Thankfully it survived long enough in time to be preserved!


Screenshot Screenshot Screenshot


  • Minor graphical differences.
  • Different map layouts (first area was flipped in the retail).
  • Incomplete header.

ROM Information

----| File Data |--------------------------------------------------
System:             Nintendo - Game Boy          
File:               Gauntlet
BitSize:            2 Mbit
Size (Bytes):       262144
CRC32:              965BBE1F
MD5:                066C7301810022D1232386B4EEAB6DE3
SHA1:               53E6162E9276318F357A1E2E5BD706D4E4FD47D2
SHA256:             AE3C9347071AFCB256342E80214EB542DCE75F9EC96CCB0CEC6B492DE84EE50F
----| Header Data |------------------------------------------------
Entry Point:        0x0150C300
Logo Code:          Ok
New Licensee Code:  N/A
SGB Support:        0x00 (No)
Cartridge Type:     0x01 (ROM + MBC1)
ROM Size:           0x01 (Bad; 512 Kbit; 65536 Bytes)
RAM Size:           0x00 (None)
Old Licensee Code:  0x00 (Unknown)
Version:            0x00 (v1.0)
Header Checksum:    0xE5 (Ok)
Global Checksum:    0x0000 (Bad; 0x76A5)

Board / Cartridge Images

Cart Front

Special Thanks

Massive thanks to Rezrospect for sending this in for release!


Download Gauntlet II (USA) (Prototype)