Pretty Good
I wasnt going to review this at first but i found a bug/thing-that-needs-looking-into. First of all, the graphics were only slightly better than average but you had nice, colourful map designs.
Of course, a worms type game is gonna need alot of effort and similarity to the series. You did pretty well on this front as the gameplay was turn-based and you had a limited but fun array of weapons to use. Hence the fair 7 on style and the almost perfect 9 for Interactivity.
Now onto that bug, its a small little thing but it made me have to start the whole level again (which didnt take too long anyway). When the CPU tried to throw a grenade it got stuck right in front of his face and it spun in an infinite cycle making it impossible for it to get to my turn again as the grenade didnt actually explode. I was on the 4 vs 5 'King of the Hill' map when this happened. To fix a problem like this would be as simple as adding some sort of turn timer. 30 seconds would be more than generous as it usually takes much less than that to complete any movements and actions anyway.