You thought the DOOM II challenge was over... Get ready, Now there is Hell to Pay. The creatures from Planet Hell have arrived... and they're killing machines! They are intent on capturing the Earth and enslaving its inhabitants. Out of the ruins of this invasion one slave must rise up and destroy these new masters and free Earth.
Description by WizardWorks
Instruction / comment
The Limited Edition of Hell to Pay includes 15 levels out of 32 in the full version. The game requires either DOOM II or Freedoom to run.