5 stars: Honestly not bad. Nice and simple. Got the full version to get rid of the ads. Really like how lifting you finger slows down the game, that's a really awesome feature that allows you to reposition your finger without dying. Only thing to nitpick is the delay after the round is over. Could speed up the post-game animation. And the
4 stars: I previously gave this 1 star, as you couldn't remove the ads, and they were baked into every aspect of the game. They happily added a one-time ad removal charge, and now it's a joy to play! This is a really slickly designed game, with perfectly polished visuals and music. It still annoyingly tries to squeeze extra money out of you, and I'd like to see more weapons, but it's really fun.
4 stars: It's ok, but it gets boring after 400 levels. Nothing new, no new viruses or weapons, and the levels gets easier and boring. Few bugs with ads, you're forced to click 3 times to close it, and sometimes you're forced to watch them again and again, otherwise you cannot continue.
3 stars: Decent game and it was quite fun up until the later levels and you just hit a brick wall. The difficulty becomes almost impossible without dying over and over and over and over and over again to save up for enough upgrades to do a TINY bit more damage. It becomes a grind instead of a challenge.
3 stars: Addictive Game - would give it a 5 stars but sometimes, I can't watch an AD to collect more coins OR watch an AD to
2 stars: Inconsistent...