Aleph One: Marathon is just another good game in the Aleph One series and this time you will face new challenges and you will have to work at your best in order to overcome the obstacles that might appear. The game is open source, thus allowing modification from developer fans.
The game is really interesting to play, as it is built in the style of Quake and Doom, but this time with much better graphics and a really strong gameplay that you will surely enjoy. The game is really itneresting to play and should be tried by every FPS fan.