This is a superb game, despite the saturation of the genre and the overexploitation of the setting, thanks to is great freedom, objetive design and visual realism.
A modern vision of chess game, Assault Squad offers a micro strategic vision of war, giving the possibility to control a little party of soldiers up to the victory.
In no way an easy game, and probably an overwhelming experience for most people, but also the closest thing we'll get to the battles of WWII without a time machine.
The total effect of the expansion pack is still positive (multiplayer is still fun; even the single-player has its uses) but there are a few worrying signs – the introduction of hero units and special abilities and the inward-looking nature of the entire game (SP as preparation for MP).