<prompt> Pedzisa mutsara unotevera: Muna Kurume 2011, mukupindura kugadzirwa kwechikoro chekupfura mod yakanzi , yakagadziriswa neCheckerboarded Studios paValves Source injini, Thompson akatumira email kuna Valve maneja director, Gabe Newell, achida kuti mod ibviswe, sezvo aifungidzira kuti Valve yakaita chikamu mukugadzirwa kwemod. Mutsamba yacho, Thompson akataura kuti Half-Life yakanga ine mutoro wakananga wokuparadzwa kwacho  <response>: Kuurawa kwepachikoro cheErfurt, uyewo kuurawa kwepaVirginia Tech uye kuti Valve yakanga ine nguva ya5:00 manheru aMarch 18 kuti ibvise mod yacho. 