You can buy this game here
Prepare for the ultimate in sorcery: Heretic II is now available for Linux! Power up your mana and help Corvus find the cure to a plague of epic dimensions -- and save the worlds of D'sparil before it's too late!
A high-powered and mystical three-dimensional environment will enthrall you, with spectacular sound and visual effects, non-stop action and adventure. Prepare to be ensnared in the visual feast that is the worlds of D'sparil.
Thanks to a little coding sorcery from Loki, Activision's and Raven's latest third-person adventure game is now available for Linux-based computers. Gird yourself for a long and arduous quest!
Product's homepage
Requirements:
· Pentium 166 MHz with 3D accelerator card,
· 233 MHz for software rendering
· Linux kernel version 2.2.x
· GNU libC version 2.1.1 (/lib/libc-2.1.1.so)
· 32 MB RAM required (64 MB recommended)
· Video card capable of 800x600 resolution
· XFree86 version 3.3.x, at 16 bpp depth
· OSS compatible sound card
· Hard drive with 100 MB of free disk space