Metal Gear Solid 3: Snake Eater is an action-adventure stealth video game developed by Konami Computer Entertainment Japan and published by Konami for the PlayStation 2 in November 2004. A video from the official DVD of Metal Gear Solid 3 Premium Package showcase an early version of Metal Gear Solid 3 Jungle featuring Metal Gear Solid 2 graphical 3D engine.
Early production demo (dated 2002):
Take a look at the differences between this video and the official E3 2003 trailer, using the final engine.
E3 2003 Official Trailer:
If you notice more beta differences in the old MGS3 screens and video, let us know in the comments below! :)
Thanks to Solidshake for the contribute!