there is upgrades, but the upgrade is u have to kill 30 ppl, shoppers planes, etc and u get bigger, but thats kinda lamme, the worm just gets bigger .. 3/5
Stupid game, i spend 14 minutes in second boss until he threw his spear, and i had to do it again because i didn't know what was going to happend, so, 14 minutes later i had to do it again ..
I got so Bored In the Defense Mode In wave 15 with 5385 points that i ended it, Defense Mode Needs to evolve to different waves faster, because at that rithm , if i kept playing much longer i would bore to death .