| Issue | #12 |
| Published | May 1979 |
| Frequency | Bi-Monthly |
| Cover Price | 0.40 USD |
| Pages | 36 |
| Editing | George Wildman (reprint editor) |
| Characters | Doomsday + 1 |
| Genre | science fiction |
| Pencils | John Byrne |
| Inks | John Byrne |
| Reprinted | from Doomsday + 1 (Charlton, 1975 series) #6 [taken from panels from the main interior story] |
| Characters | Kuno; Jill Malden; Captain Boyd Ellis; Dr. Ikei Yashida; Karg; Jad |
| Synopsis | Captain Boyd and his crew are taken to an alternate Earth. |
| Genre | science fiction |
| Script | Joe Gill |
| Pencils | John Byrne [as Byrne Robotics] |
| Inks | John Byrne [as Byrne Robotics] |
| Colors | Wendy Fiore |
| Letters | John Byrne |
| Reprinted | from Doomsday + 1 (Charlton, 1975 series) #6. |
| Genre | science fiction |
| Letters | typeset |
| Reprinted | from ? |