Following is a description of the game and it's creator Ed Fries: Halo 2600 is a fan-made Halo game (created by Ed Fries, who goes beyond "fan" since he once worked as the VP of Game Publishing for Microsoft's Xbox division and was instrumental in bringing Bungie Studios into the Microsoft studio family) created and distributed on real Atari 2600 cartridges. This limited-edition, handmade creation was made available at the 2010 Classic Gaming Expo in Las Vegas. In the game, Halo players control Master Chief in a non-scrolling exploration game with rooms to explore and a variety of enemies to shoot. The Chief faces a variety of enemies across 64 playfields, and must find hidden keys to unlock the game's force-fields in order to reach the final boss encounter. But first, he needs a weapon... You can download the bin file from AtariAge or play online at CodeMystics.com . I have also included what I could find of the Cart, Snap, and Title pics.