Use towers to build a labyrinth from entrance to exit. Each tower can be upgraded 4 times. With each wave, enemies will become stronger, so use money you earned to upgrade reasonably.
The newly installed Holy Present-Generator is going nuts. It's generating the nicest and most wanted Christmas presents, but for some bizarre reason it's also producing bombs. Help Santa Klaus to collect and put as many presents as possible into his sack.
You are sent out into the desert on a diversion mission. You must survive enemy attack for six days until main forces will take over. Defend your desert position for six long days.