Not worst movie ever, because it contained the immortal line "That thing makes Godzilla look like a pussy!" However, the effect were banal, there were too many plot cliches, and the acting was not merely wooden, it was petrified.
But, it was funnily bad, in ways that could easily be pointed out. Thus, I would have picked this for Mike and the Bots to abuse instead of "Overdrawn At the Memory Bank," this week's MST3K offering.
Besides the above line about Godzilla, I liked the one deviation from cliche that this flick offered. At one point the commander of the elite ranger unit "T-force" describes how dangerous the mission to blast the monster will be and one sensible soul actually has the temerity to back out of the suicide mission - and they let him quit! I loved it. Of course, there was an eager young lieutenant right there to volunteer to wield the dropout's "Hellblazer," of which the new cannon fodder stated "I've studied its designs and protocols." Gotta love total misuse of the language in scenes where the moviemaker's actually trying to be serious.
Please - make this movie the next MST3K release in theaters.