Story: "Endgame" (22 Pages)

Credits:

John Ostrander and Kim Yale (plot, script)
John K. Snyder (pencils, inks)
Todd Klein (letters)
Carl Gafford (colors)
Dan Raspler (edits)

Feature Characters:

Amanda Waller (last in Checkmate Vol. 1 #18)
Bronze Tiger (last in Checkmate Vol. 1 #18; in Firestorm, the Nuclear Man #87 in between page 19 and 23; next in issue #32)
Captain Boomerang
Nightshade
Vixen
Punch II
Jewelee
Duchess (all six last in Checkmate Vol. 1 #18; all six next in Firestorm, the Nuclear Man #87)
Doctor Light III (last in Checkmate Vol. 1 #18)
Shade the Changing Man (last in between issue #28; next in Firestorm, the Nuclear Man #87)

Guest Stars:

Captain Atom
Firestorm
Manhunter III
Valentina Vostok
Black Thorn
Major Force
Major Victory
Peacemaker (all eight last in Checkmate Vol. 1 #18; all eight next in Firestorm, the Nuclear Man #87)
Checkmate Knights (last in Checkmate Vol. 1 #18; next in ???)
Lady Liberty
Silent Majority (both last in Checkmate Vol. 1 #18; both die)

Supporting Characters:

Sarge Steel (last in Firestorm, the Nuclear Man #87)
Flo Crawley (last in Checkmate Vol. 1 #18)
Murph
Harry Stein (in between Checkmate Vol. 1 #18 and #19)
Wade Eiling (last in Checkmate Vol. 1 #18; next in Captain Atom #30)
J. Dansfield Kale
Bridgette D'Abo

Villains:

Kobra (last in Checkmate Vol. 1 #18; in Firestorm, the Nuclear Man #87 in between page 19 and 23; next in issue #45)
Valland (last in Checkmate Vol. 1 #18)

Guest Appearances:

Lois Lane (last in Checkmate Vol. 1 #18; next in ???)

Other Characters:

President Ronald Reagan