slowdown1 (Mike Bleyer) 1991-12-13 [post] stun, clear, imp
Retrovirus v1.0 (Ray Cromwell) 1991-12-13 [post] scan, vamp
Leech (Bill Shubert) 1991-12-06 [post] vamp, stun
Dwarf (modern version) (A. K. Dewdney, Bill Shubert) 1991-12-04 [post (initial KotH announcement)] stone
Memory 1.0 (Chris Beauregard) 1991-12-03 [post] stone, vamp
Big-raidar ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] other
COMMANDO (A. K. Dewdney, Jon Blow) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] gate, imp, other
dwarfgun (Choon Piaw) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] stone, other, gate
HOSER ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] other
IMP GUN ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] imp
IMP STOMPER ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] gate
MORTAR (Michael Mauldin) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] stone
RAIDAR ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] other
SUPER IMP STOMPER ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] gate
TARGET ((unknown)) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] other
Virus (John McLean, Michael Mauldin) 1991-11-22 [misc-86 archive on ftp.csua.berkeley.edu] vamp, stone
Divide And Conquer (Mark A. Durham) 1991-11-20 [post] stun, clear
MARS FLYTRAP (Jon Blow) 1991-11-15 [post] vamp, stun
SLUICEGATE (Jon Blow) 1991-11-15 [post] vamp, imp, gate
Retrovirus (Ray Cromwell) 1991-11-15 [post] vamp