Originally Posted by Dimsdale

A universal app, Sentinel 3: Homeworld has dropped to .99 for the first time.
"The third and biggest instalment of the highly acclaimed Sentinel sci-fi tower defense series! Take the fight to the alien homeworld and unleash a massive arsenal of weaponry!
Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses!"

Sentinel was the title that originally got me hooked on TDs. This one's a no-brainer download for me while it's on sale.