Pilot a Mech to defend your home from zombies.
MechDefender is a next chapter in Hero Tower Defense series. With Tower and Weapons and new tricky maps.
Happy Robot Day!
This is a few levels.
If you like to play with steam achievements and 50+ more maps and a lot of improvements:
http://store.steampowered.com/app/562730/MechDefender/
It supports controllers too.