Not your best
This game was fairly decent, but it was far from the best in the series. The main fault with this is that after awhile you do realize that you're basically just destroying the same enemies over and over. How many kills do you have to get to actually advance to Level 2? It's at least good because it has nice graphics. It's especially satisfying to see the cavemen get hit on the head over and over. I was thinking that maybe the enemies were coming from some base you had to destroy, but they were not.
The controls are nice as well and are not the least bit complicated. I just would have liked some more variety. It's still nice to play because it has the same addictiveness that made the other games so playable. You do get a lot of good oppurtunities to hit your enemies. Hey, when you hit pause and change the volume, you automatically control your character (even though he doesn't actually hit anybody).