Best free (and open-source) FPS games

The following article about Best free (and open-source) FPS games is from our content partner Ghacks.
Whilst first person shooters are mainly confined to the console, several good FPS games are available for PC. I'm nothing more than a casual gamer but I enjoy shooters and I was surprised by the sheer number available. I use a Mac, so this article will primarily focus on cross-platform shooters.

AssaultCube
AssaultCube is a quite simple 3D FPS available for Linux, OS X and Windows, which just reached version 1.0 about a week ago. The graphics are not very advanced, but a benefit of this is that it’s easier to run a server and that it can run on nearly any machine.

The best aspect of AssaultCube is the online play; there's always a few busy servers available where one can play capture the flag, deathmatches or variations on those modes. AssaultCube is limited to seven weapons: sniper rifle, assault rifle, handgun, grenades, knives, shotgun and submachine guns.

Maps can be created for AssaultCube quite easily. Read the rest of this entry »