Period from May,29 to May,31 2013。
包括：
Achtung Panzer:Operation Star”(eng)即GTOS本体
DLC-1 - "APOS:Sokolovo 1943"(eng)(march 2013)
DLC-2 – “APOS:Volokonovka 1942”(eng)(march 2013)
DLC-3 – “APOS:Krasnaya Polayana”(eng)(march 2013)
DLC4 – “GTOS: High Rezolution Textures”(eng rus)(march 2013)
DLC5 – “Graviteam Tactics: Operation Hooper”(eng)(march 2013)
DLC6 - "Graviteam Tactics: Shield of the Prophet"