The rule of the game is very simple:
Don't let the Zombies touch you!
You get 4 players (lives)
and every time the zombie touches one of them, you lose 1 player.
If you lose 4 players, the game is over.
If you have 1-3 players left, you can reviCrash ve them by long-clicking (holding) the FirstAid kit button
To Smash the Zombies just TAP on them:
Green (small) zombie 1 TAP
Blue (medium) Zombie 2 TAP
Red (large) Zombie 3 TAP
If you're really good, the game becomes harder as you get better.
You have 4 bonuses to use: just tap on each when you see it:
Energy icon - Electricity Wall
Gasoline - Fire Wall
Acid bottle - Acid Wall
Stakes - Spike Trap
Wait and see what happens to the zombie who touches any of these :)
The zombies have 2 bonuses also, and they are bad for you:
Darkness - makes the screen dark.
Bright Light - makes a bright light to blind you.
Try to smash as many as Zombies as you can.
Enjoy the game.