Cheat Sheet 6/8: Nintendo stock drops, Unreal Engine 4 detailed, and retina-ready apps appear in Mac App Store.

Another day passed without contact from alien life. However, we did receive these signs of life from the videogame realm.

Samsung partners with Gaikai for gaming in the cloud.

DOOM creator John Carmack discusses the dream of virtual reality.

-Unreal Engine 4 broken down.

God of War creator David Jaffe working on a free-to-play shooter.

-Nintendo stock drops 6% after E3 showing.

-Retina-ready apps begin to appear in Mac App store.

Next week we launch more messages in bottles into outer space.