OK GO AHEAD I THINK IT MAY BE BEATABLE

LEFT CLICK - recruit
RIGHT CLICK - rise corpses
SHIFT + LEFT CLICK - launch minions
SCROLL - select minion type
SPACE - dismiss current minion type
Q/E - rotate camera

PAGE UP / DOWN - scroll (maybe)

if you can't rise corpses it's because you don't have enough mana / that unit type costs too much mana to res