This is my first game where you tap to shoot zombies and gain money to buy upgrades. You can also try to beat your high score and use the leaderboard to see how you rank against others.
Here is the link to the store page: Apocalyptic Takeover - Apps on Google Play
Yes, I find it very frustrating when mobile games require a wi-fi or data connection because it limits my gaming to only online gaming, and no offline gameplay mode.
