@ people who say its a tiny wings ripoff, on the loading screen it says it was inspired by tiny wings, and every game made has been inspired by something, and most are a lot alike with little differences. Therefore, it's hard to create a game that is not a ripoff.
5/5 Didn't have the feel of the old Infectonator or Necronator games, but it is still a great game. It needs badges, but I can see those coming soon for a game great as this. Examples would be: Kill XX enemies (easy), Kill 1 Hero (easy/medium), Complete 1 campaign (medium/hard), Complete all campaigns (hard)