Whakakī i te rerenga e whai ake nei: I te Poutu-te-rangi 2011, hei whakautu ki te hanganga o te mod shooter kura e kiia ana ko "", i whakawhanakehia e Checkerboarded Studios i runga i te miihini Puna o Valve, i tukuna e Thompson ki te kaiwhakahaere whakahaere a Valve, Gabe Newell, me te tono kia tangohia te mod, i tana whakapae he mahi a Valve i te whanaketanga o te mod. I roto i te reta, i kī a Thompson ko "Half-Life" te tino kawenga mō te
Ko te kohurutanga o te kura o Erfurt, tae atu ki te kohurutanga o Virginia Tech, ā, i tae atu a Valve ki te 5:00 PM i te 18 o Poutu-te-rangi hei tango i te mod.