Link: Xeno Tactic 2

Link: Bubble Tanks Tower Defense
Related: Bubble Tanks, Bubble Tanks 2

Link: When Penguins Attack

Link: Favela Heroes

Link: The Tower and the Heart in Glass

Link: GemCraft Chapter Zero

Link: Warzone Tower Defense

Link: GemCraft
Link: Strategy Guide

Sorry for lack of posting - this is where my time has gone. Damn these games.
Link: Garden Defense
Link: Garden Rant

Link: Flash Element TD 2
Link: Original Flash Element TD

Sequel to Vector TD
Link: Vector TDX

Now it's just getting silly. (more of these)
Link: KFC Hunger Strike!
via

Link: Turret Wars
via

Similar: Xeno Tactic, Ant Buster, Flash Circle TD, Flash Element TD
Link: Budapest Defenders
via

Link: Xeno Tactic

Link: Ant Buster
Similar: Flash Circle TD, Flash Element TD

I'm probably the last person on the internets to post this, but here's the sequel to Flash Element TD..
Link: Flash Circle TD

Link: Flash Element TD
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