Fun game, its fun to play and unlock new characters, difficult to get very far, but once you play for a while youll get better at it! I recommend trying it out!
Couple things that affected my review: I spent a whole collecting enough coins to upgrade my char and when I did, nothing changed! I was really disappointed and almost deleted the game. Then I found that if you switch to another character and switch back, it fixes it. So -1 star for that glitch.
Other problem: paid some coins to "continue", and I had a full special attack waiting for me, so I let my finger off the screen to launch it. However its still in invincible mode first few seconds of restarting the run, so it never launches the attack, then my character gets clobbered by zombies, even though I had a full attack and unleashed it. -1 star for that too.
Other than that its a 5 star game!
Sikarios about Must Deliver