TechPinas Recommended Flash Games Series presents:
Iron Serpent Tower Defense
The terrible serpent monsters are moving to invade your interplanetary tower and you have your weapons, designed to neutralize specific serpents, to stop them! Wield your weapons wisely before the monsters take over your base and destroy everything inside. The more serpents you kill, the more points you earn to buy more powerful weapons. Strategize! Strategize! Strategize!
Play now! (loads in a minute or so)