The Mac version of Call of Duty 4 has finally been released today. You can download the game directly from
Game Agent for $54.99. The game features are the same as the previously released versions of Call of Duty 4, but you can read them below in case you weren't sure.
The community-oriented Call of Duty 4 multiplayer gameplay features a robust leveling system, variety of unlockable perks, hot-join and matchmaking, as well as create a class and party capabilities to ensure that players of all skill levels can join in the fun. Additionally over 100 challenges and a host of new game environments and modes deliver unlimited possibilities. Infinity Ward has also included Kill-Cam, a fan favorite feature that they created in Call of Duty 2, which allows for spectator instant replays."