In response to rjray's comment, might I suggest adding a pause button so the player can orchestrate a multiple-pronged attack, as to make it more fair against overwhelming odds AND an onmi-capable computer opponent?
Also, I remember playing a game just like this once upon a time, but instead of blobs, they were star systems, and you were sending ships. Pax Galactica, I believe :)
As soon as I read the description, I thought "Arcomage." I start playing the game, and yeah... Arcomage. I like the game, but it was better on M&M7, although I suppose it is nice to goof around on it on here without finding those CDs again :P