I can not really recommend this game. This game is not exactly made for single player. Of course, you can play on your own here but I thought the fun factor of this game was much higher with a friend playing the game on same PC. About controls, I think this game benefit better with a gamepad rather than keyboard which was what I was playing with.
I have this game in my library from the Worms' humble bundle. I think this game in the series was quite underwhelming compare to other games in the series despite the different genre of this game. If you do not have any games from Worms' series and are looking into this game, I would suggest you look else where for similar kind of gameplay. Unfortunately, I would use 7.99 price tag against this. It is a bit old game that did not age well. I felt 4.99 price tag at most would have suffice.
My rating: if single-player, I'd say 3.5 / 10. With a friend for fun, as high as 6 / 10 at best.