EpicError of some PS3 demo videos which appear to show Gears of War 3 running on PlayStation 3 with unreleased GOW3 maps.
One user going by the name of MrNightmareTM thinks they are all fake... check them out below and decide for yourself!
MORE Unreleased Gears of War 3 Maps
From the video's caption: Time for Maps Below. A video showcasing a massive collection of unreleased maps. There is tons of Campaign stuff as well. You may recognize some of these as already released, such as Azura, but these are completely different than the retail game.
Gears of War 3 Running on PS3
From the video's caption: I managed to compile a fully working Gears of War 3 build for the PS3. The PS3 is a very annoying system to work with, but in the end got it working. The FPS is currently terrible on the PS3 system, I'll try to get a video out on the stability of the build later.
PS3 running Gears of War 3 - Gameplay
From the video's caption: DO NOT ASK FOR THIS BUILD, YOU WILL NOT OBTAIN A FILE FROM ME!
Booting up and playing around in the PS3 build. Changed the buttons in the build to better reflect its on the PS3.