| Issue | #18 |
| Published | November 2007 |
| Cover Price | 2.99 USD; 3.65 CAD |
| Pages | 36 |
| Editing | Joan Hilty; Rachel Gluckstern (associate) |
| Notes | U.S. on sale date: 2007-09-19. |
| Characters | Checkmate [Black King [Taleb Beni Khalid]; Black Queen [Sasha Bordeaux]; White King [Michael Holt; Mr. Terrific]] |
| Genre | Superhero; Spy |
| Pencils | Kalman Andrasofszky |
| Inks | Kalman Andrasofszky |
| Colors | Kalman Andrasofszky ? |
| Notes | U.S. on sale date: 2007-09-19. |
| Characters | Checkmate [Black King [Taleb Beni Khalid]; Black King's Bishop [August General in Iron; Fang Zhifu]; Black King's Knight [Fire; Beatriz Da Costa]; Black Queen [Sasha Bordeaux]; Black Queen's Bishop [Jessica Midnight]; Black Queen's Knight [Josephine Tautin; Mademoiselle Marie]; White King [Michael Holt; Mr. Terrific]; White King's Bishop [Thinker]; White Queen's Bishop [King Faraday]; White Queen's Knight [Werner Vertigo; Count Vertigo]]; Martian Manhunter [J'onn J'onzz; also as Taleb Beni Khalid]; Oracle [Barbara Gordon]; Suicide Squad [Rick Flag; Bronze Tiger [Ben Turner]; Deadshot [Floyd Lawton]]; Ambassador Trautman; Scandal Savage (villain) |
| Synopsis | "Amanda Waller's unauthorized Black Ops game is exposed!" [per solicitation] |
| Genre | Superhero; Spy |
| Script | Greg Rucka |
| Pencils | Joe Bennett |
| Inks | Jack Jadson |
| Colors | Santiago Arcas |
| Letters | Travis Lanham |
| Script | Elisabeth Gehrlein |
| Letters | typeset |
| Notes | Elisabeth Gehrlein talks about Countdown tie-ins from October to December 2007. Hot list - Countdown #32, Countdown to Mystery #1 and Green Arrow/Black Canary Wedding Special #1. House ad for Checkmate #19. |