NoseDive Prowl is a simple FreeWare game for MacOSX 10.4.11 or later.
DESCRIPTION:
NoseDive Prowl is a game where the human colony on Tau Ceti is under attack by hostile alien forces. Take control over your spaceship and fight to save the colony.
* NoseDive Prowl now works on OS X 10.4.11 or later.
* Added more sounds.
* Moved from Quicktime to Java Sound, resulting in faster start up time.
REQUIREMENTS
Mac OS X 10.4 or later
http://antell.com/software/games.html