CR8FX Software has introduced QuadDefense 1.0 (, an US$2.99 arcade/action game now available on the Mac App Store. It requires Mac OS X 10.6 or later and can be found in the Games category.

Here’s how the game is described: “QuadDefense allows the user to sit down and start playing without much effort. QuadDefense allows the player to use logistic and strategic gameplay to advance through levels. It offers many different levels to play, with a distinctive graphics and gameplay style that is easy to learn and fun to play.”

QuadDefense boasts 20 unique enemies, five bosses, six different weapons, the ability to fire in four directions and over 20 upgrades. Additionally, there are perks that unlock gameplay changes.