Stop it, Valve...
Valve is just taunting at Russian history and culture.
"In a sad turn of events Robin Walker and several other Valve employees working on the popular online multiplayer game, Team Fortress 2, released in the fall of 2007, were found dead in their Bellevue, Washington office. Police suspect the deaths to be related to trace amounts of a rare polonium-210 isotope found during the autopsy in the bodies all 10 staff members working on the game to have been the cause..."