Zombieman - Instagib edition
"Just a few days ago, you were probably swapping war stories with one of these guys. Now it's time to swap some lead upside their head."
― Doom instruction manual
Doom shareware episode was released at midnight on December 10, 1993 onto University of Wisconsin–Madison ftp server and distributed via BBS.
Original artwork:
Doom™, ID Software, 1993
Additional artwork:
Freedoom