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[polldaddy poll="6675851"] This browser game may not have invented the tower defense genre, but it popularized it enough for similar titles to wind up on every gaming platform imaginable.
Indie developer Paul Preece’s strategy title operates on a simple premise: build out artillery fortifications on a faux cubicle desk to shoot at and stop waves of enemy “creeps” from passing from one end of the screen to another.
DTD came out of nowhere in 2007 to suck away the time of millions of people, trapping them in a vicious loop of placing towers and buying upgrades in the hopes of reaching another level. If you’ve loved Fieldrunners, GeoDefense Swarm or the other games that owe a debt to DTD, then you owe the original a salute.