It's definitely A7 because they were referring with Kabus 22,a published A6? title
Quote:

TOP (left to right): FOREIGN LEGION: BUCKETS OF BLOOD (Unity 3D),
BORDERLANDS (Unreal Engine), PENNY ARCADE ADVENTURES (Torque),
HALF-LIFE 2 (Source), FAR CRY (CryEngine). BOTTOM (left to right):
FREEDOM FORCE (Gamebryo), KABUS 22 (Gamestudio), DOOM 3 (id
Tech), PLANET 51 ONLINE (Vision), PUZZLEQUEST (Vicious).


I have made the article(2 pages) : http://uploading.com/files/3d1e374c/gamedev-gamestudio.rar/