They have a mammoth tank you can download, there are some bugs, but heck it works.
...they story line is something about Einstein goes back in time and kills Hitler, and Stalin invades Europe because there was no WW2 to distract him- which would have really happened if Hitler was never in power.
All units could be already existing units, but that chronotank (it can teleport)... how can that be done.
Oh yeah, a Tanya unit would have to be made.