Zombies are marching into your back garden and heading for your prized Sunbloom flower. Defend it with your seed blaster through six waves. If the Sunbloom or you fall, it is over.
On a computer: click the game to capture the mouse, move with W A S D, look with the mouse, hold the left mouse button to shoot and press E to throw a seed bomb that hits zombies in front of you.
On a phone: drag the left thumb to move and the right side to look. Hold FIRE to shoot (it helps you aim) and tap BOMB for a blast.
Zombies come in three kinds: ordinary, fast runners and big brutes. They sometimes drop golden gems that heal you and the Sunbloom a little. You get more bombs at the start of every wave.