Gratuitous Tank Battles has just recived some new content,in the form of The Western Front expansion DLC. The Western Front increases the scope of the original game (which you will need in order to play) with several new additions drawn from the WWII inspiration behind the new content.
The features include eight new maps, 16 new enemies, 16 new tank hulls for you to use in any of the game's missions, and five new weapons modules. All of these wrapped up with a new single-player campaign set on, you guessed it, the Western Front.
Some of the new maps feature restrictions that limit the technology to the 1939-1945 era, which will challenge some. New units are inspired by real units of the day, though not entirely accurate.