Konami is http://www.konami.jp/kojima_pro/tgs_2009/en/demo.html a Metal Gear Solid: Peace Walker PSP demo you can keep as a digital souvenir at the Tokyo Game.
The downloadable Peace Walker demo contains three missions, to quote:
Tutorial/Opening - 1 Player: This mission includes the introduction of the story, explanation of the control schematics and a training session. Recommend for first-time players.
Neutralize the Stronghold - 1 - 2: Players
This is a sneaking mission in which the player must neutralize an enemy stronghold.
Tank Battle - 1 - 4 Players: This mission's goal is the disarmament of the enemy tank and reinforcements. For advanced players.
Konami's TGS demo has an extra mission, Infiltrate the Mountain Facility, where players sneak into an enemy facility in the mountains. Play that or any of the other missions in Konami's booth and you get a set of PSP button attachments as a gift.
More PlayStation 3 News...