You could have downloaded RickRocket 1.0 for Mac from our software library for free. This Mac application was originally created by My Game Company. The application lies within Games, more precisely Action.
From the developer:
Defend the Earth from alien invaders in this action-packed space shooter for Windows, Mac, and Linux!
As mankind begins to venture out into space, a mysterious alien armada appears and attacks the Earth. Space Command calls on its best pilot, Rick Rocket, to take the controls of the X-01 experimental rocket ship and repel the invaders.
You may want to check out more software for Mac, such as Dodge That Anvil!, Diaper Dash or Kivi's Underworld, which might be similar to RickRocket.