http://www.heroesofnewerth.com//free2play.php
Free to Play Week - Hellbourne Trailer [via Youtube]
Free To Play Week starting Monday, August 2nd at 1:00 PM EST and ending on Monday, August 9th at 1:00 PM EST. Come see what you've been missing. You will have access to the full game and all 68 heroes, including the newest hero, Doctor Repulsor. You will be able to see all game replays, but no cumulative stats will be available for F2P accounts.
Heroes of Newerth is a 30$ stand-alone DotA-style game with persistent stats, dedicated servers, matchmaking and a very hardcore community. Official Thread found here.
System requirements:
Windows
Minimum:
Processor - 2.2GHz Pentium 4 / AMD 2400+ or faster
RAM - 1GB of RAM
Video Card - GeForce 5 and ATI 9800 w/ 128 MB VRAM
Windows 2000, Windows XP, Windows Vista, Windows 7
Network Connection Required
Recommended:
Processor - 2.0GHz Core 2 Duo / AMD 3500+ or faster
RAM - 1.5GB or higher
Video Card - 256MB Geforce 7800+ or Radeon X1900+
Network Connection Required (Broadband)
Linux
Minimum:
Processor - 2.2GHz Pentium 4 / AMD 2400+ or faster
RAM - 1GB of RAM
Video Card - 128MB fully OpenGL 2.0 / GLSL 1.20 compliant Geforce or Radeon
Network Connection Required
Recommended:
Processor - 2.0GHz Core 2 Duo / AMD 3500+ or faster
RAM - 1.5GB or higher
Video Card - 256MB Geforce 7800+ or Radeon X1900+
Network Connection Required (Broadband)
OS X
Minimum:
Processor - Intel Processor
RAM - 1GB of RAM
Video Card - 128MB fully OpenGL 2.0 / GLSL 1.20 compliant Geforce or Radeon
OS X 10.4 or newer
Network Connection Required
Recommended:
Processor - 2.0GHz Core 2 Duo or faster
RAM - 1.5GB or higher
Video Card - 256MB Geforce 7800+ or Radeon X1900+
Network Connection Required (Broadband)
Supported video cards:
OS X 10.4: Geforce 8600, Radeon HD 2400 or higher
OS X 10.5: Geforce 7300, Quardo FX 4500, Radeon X1600 or higher
Note: Integrated Intel GMA 950/X3100 is not supported