Transform'n'Roll! mod for Half-Life 2

Because the lack of energon, Optimus Prime and his Autobot comrades have to start preparations for the galactic expedition to find energon source in nearby planet systems. But in this very moment, Decepticons begin to attack the capital city of the Cybertron - Iacon. Autobots surrending the city and regrouping near Space Bridge. Megatron with help of Soundwave gets access to Teletron-1 and takes information about place which have a colossal amount of energon - Solar System. Optimus Prime with autobot team defending the Space Bridge. He decided to leave Cybertron and go for an energon expedition. He leaves planet to his true comrades - Vector Prime,Ultra Magnus and neogenic autobot forces. In fact, they'll need to defend Cybertron from Megatron before Optimus Prime returns. But... This mod is based on original Transformers from well-known series such as: G1, Masterforce, Headmasters. :: By the way, this project are written by Russian team, so many design notes and text are written...