JIG writes: "Bubbles are fragile, ephemeral things. They float and fly high above, dancing to and fro during their short, frantic lives. But what happens if a bubble gets tired of flitting hither and yon? What if the bubbles decide, "Hey, I'd like to settle down, maybe spend some time on personal growth"? Welcome to Bubble Tanks Tower Defense from Hero Interactive, a nifty little tower defense game featuring the wildly popular bubble tanks from Bubble Tanks and Bubble Tanks 2. They're back, but this time they're letting the enemy come to them."