Savage 2: A Tortured Soul is a free to play fantasy designed by S2 Games and it's the second instalment in the Savage series succeeding Savage: The Battle for Newerth. It's very difficult to assign a specific genre for the game as it's a first-person-shooter (FPS) game that also contains aspect of role-playing (RPG) and real-time-strategy (RTS) which makes the gameplay very unique.
Intel powered Mac
Mac OS X 10.4 or newer
1GB of RAM or higher
Video Card - 128MB fully OpenGL 2.0 / GLSL 1.20 compliant Geforce or Radeon
Free download at savage2.com