> In a Desperate War for Earth's Survival, The Only Way to Defeat Them
> is to Become One of Them
>
> Earth is under siege by the Strogg, a barbaric alien race moving
> through the universe consuming, recycling and annihilating any
> civilization in their path. In a desperate attempt to survive, an
> armada of Earth's finest warriors is sent to take the battle to the
> Strogg home planet.
>
> In addition to a compelling single player journey, Quake 4 features
> some of the best multiplayer action found in any FPS. Compete online
> in fast action, cross platform play in several flavors including
> Deathmatch, Team Deathmatch, Tourney, Capture the Flag, Arena CTF
> and DeadZone.

Download 1: The game image itself.
Download 2: Patch v1.4.2
Download 3: Patch v1.3
Download 4: NoDVD patch.
Download 5: NoDVD patch. 1.2 for powerpc
Download 6: Patch. 1.2 for powerpc
Download 7: Demo 1.2.0 2386
Download 8: v. 1.4.3 (Intel, Just play)

Features:
? Built on id Tech 4 (the Doom 3 engine)
? Sequel to the Quake 2 storyline
? Battle outdoors using tanks and walkers
? Fight with the support of an elite squad
? Compete online in fast action, arena-style, cross-platform
multiplayer

Requirements for DL #1:
? Mac OS X 10.3.9 or later
? PowerPC G4/G5 or Intel chipset
? 1.67 GHz or faster
? 512 MB or higher
? (ATI): Radeon 9600 or better
? (NVidia): GeForce 6600 or better
? Video Memory (VRAM): 64 MB

Version 1.4.3, released in 2012 for Intel Macs, requires Mac OS X
10.6.8 at least.

Compatibility
Architecture: PPC x86 (Intel:Mac)