The 1.4.3 version of Quake 4 is provided as a free download on our website. Our antivirus scan shows that this download is clean. The software belongs to Games. The actual developer of the software is id Software.
From the developer:
In a desperate war for Earth’s survival, against an unrelenting enemy, the only way to defeat them is to become one of them. Armed with advanced weaponry and vehicles and aided by an elite squad of marines, you take the battle to the heart of the Strogg home planet and become earth’s only hope for victory.
You may want to check out more software, such as Quake Live, Enemy Territory: QUAKE Wars or JoeQuake, which might be similar to Quake 4.