DOOM 3

Download DOOM 3-Free PC Game-Full Version

Minimum System Requirements:

P4 1.5Ghz CPU (or equivalent).

384MB of RAM.

64MB graphics card (see below for chip details).

2GB of free hard drive space.

Lowest supported GPU is a Geforce 4 MX (worse than Geforce 3).

Supported cards:

GF 4 MX.

GF 3.

GF 4.

GF FX (and higher).

Radeon 8500s, 9000s and higher.

PC Gamer were the first to review they themselves recommend:

2Ghz CPU.

512MB RAM.

Radeon 9800.

5-channel sound card and speakers.

Mac Requirements:

Operating System: Mac OS X 10.3.8 or later

CPU Processor: PowerPC G4/G5 or later

CPU Speed: 1.5GHz or faster

Memory: 512 MB or higher

Hard Disk Space: 2.0GB free disk space

Video Card (ATI): Radeon 9600 or better

Video Card (NVIDIA): GeForce FX5200 or better

Video Memory (VRam): 64 MB

Media Required: DVD Drive

Recommended System Requirements

CPU Processor: PowerPC G5

CPU Speed: 2.0GHz or faster

Video RAM: 128MB

Also you can enjoy the new version of this game :
DOOM 3 BFG EDITION

Download Links:

Download DOOM 3 Free PC Game Full Version