See, that’s what the app is perfect for.

U64!Leaks?

No copyright infringement in here, this is just an archive to backup leaked prototypes, demos, pre-release beta and games that were never released, to preserve them before they could be lost forever. For more info check www.unseen64.net, www.assemblergames.com and www.tcrf.net they are nice guys. If you have a game prototype that you want to share with the world, you can submit it from here.
Remember kids, preservation is fun!

Dragon Sword 64 would have been an awesome coop game. Here’s the backup for this unreleased hack ‘n slash: https://mega.nz/#!m0VlHArS!HDb7WhGge8otw_CUErfwgInF_bjWEthsf6oH3oAqmiQ

More you might like

(Photos by MobCat99)

A few old beta / pre-release versions of the following games were found by Steve in an old (original) Xbox Development Kit:

Rainbow Six (late 2004)
XIII (dec 2002)
Brothers in Arms (Nov 2004)
Ghost Recon 2 (aug 2004)

You can download the full XDK dump from here (2.44 GB). Please, upload it on mirrors if you can, to be sure to preserve all the files. If you find any interesting differences / unused models hidden in the code, feel free to share your finds with the video games preservation community at:

Thanks for your help