Could be good. It's just the "i-trained-for-10-mins-doing-the-same-boring-mini-games-over-and-over-and-got-2-levels thing that just screws with it. Make those mini games more rewarding, and this might actually be worth a play. Right now it's just...tiring. Feels like chores.
Hey, nice game! All it needs now is for you to add a couple of zombies...maybe a lawn, with peashooting plants and bam! You got a brand new...wait a minute...
Agreed with the guy below me. Just because it's got a sad, slow melody doesn't make it a masterpiece. In the end it resulted with a simple, old message, already seen thousands of times. Nothing added, nothing new.