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!

Maddrax is a cancelled action adventure that was in development by German team Soft Enterprises / i3D Software around 2002, planned to be released on PC and possibly Xbox.
An early demo used to pitch the game to publishers was found and preserved... — Maddrax is a cancelled action adventure that was in development by German team Soft Enterprises / i3D Software around 2002, planned to be released on PC and possibly Xbox.
An early demo used to pitch the game to publishers was found and preserved thanks to Björn Heussner and Albert H. You can download the file from here (180 MB). As always please share, re-upload and backup this proto before it could be lost forever.

Cancelled Video Games leaked

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(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