Valve and Aperture Release Third Video

Valve, in partnership with Aperture Science dba Aperture Laboratories, announced today the release of “Turrets”, a promotional video for the long awaited consumer version of Aperture’s military-grade turret line. Potential investors can view the presentation at

The fourth and final installment of the “Product” series of Aperture investment videos will be released at next week. Aperture’s documentary video game, Portal 2, will be available for purchase the week of April 18th, though savvy consumers can invest in game futures RIGHT NOW by pre-ordering Portal 2 at