The original Mac OS 9 version of Bugdom is now free, but it requires a fairly old Mac that still has MacOS 9 installed on it. There is no OS X version of the game. To get the game for free simply download it here and then use this serial # when asked: ACAHFIDGELJL
A fan by the name of Iliyas Jorio has taken the Open Source Bugdom source code and managed to create a new version that will work on Mac OS X and 11! You can download it for free here: