| 0 | - | cover | 1 | pencils: Carmine Infantino, Joe Orlando, George Roussos; inks: Joe Orlando, George Roussos; colors: Alex Sinclair | |
| 1 | Showcase Presents The House of Mystery Volume One | credits, title page | 1 | pencils: Carmine Infantino, Joe Orlando, George Roussos; inks: Joe Orlando, George Roussos | |
| 2 | Table of Contents | table of contents | 5 | letters: typeset | |
| 3 | House of Mystery #174 | cover reprint (on interior page) | 1 | pencils: Carmine Infantino, Joe Orlando, George Roussos; inks: Joe Orlando, George Roussos | |
| 4 | The Wondrous Witch's Cauldron | comic story | 3.5 | pencils: Lee Elias; inks: Lee Elias | |
| 5 | The Man Who Hated Good Luck! | comic story | 5.5 | pencils: Doug Wildey; inks: Doug Wildey | |
| 6 | Page 13 | illustration | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 7 | Museum of Worthless Inventions | comic story | 5.67 | script: Otto Binder; pencils: Bernard Baily; inks: Bernard Baily | Professor Amos Todd |
| 8 | The Court of Creatures | comic story | 8.5 | script: Jack Miller; pencils: Carmine Infantino; inks: Mort Meskin | |
| 9 | House of Mystery #175 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 10 | - | foreword, introduction, preface, afterword | 1 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | Cain (host) |
| 11 | The Gift of -- Doom | comic story | 7.67 | pencils: George Roussos; inks: George Roussos | |
| 12 | All Alone | text story | 2 | pencils: Joe Orlando; inks: Joe Orlando | |
| 13 | Page 13 | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 14 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 15 | The House of Gargoyles! | comic story | 11.67 | script: Bob Haney; pencils: Jack Sparling; inks: Jack Sparling | Cain (host); Francois (sculptor, flashback); French sculptor; Jimmy; Samuel |
| 16 | House of Mystery #176 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 17 | - | comic story | 1 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | Cain |
| 18 | The House of No Return! | comic story | 7.67 | pencils: Sid Greene; inks: Sid Greene | |
| 19 | Page 13 | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 20 | Cain's Game Room | comic story | 3 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 21 | The Roots of Evil! | comic story | 10 | script: Marv Wolfman; pencils: Jack Sparling; inks: Jack Sparling | |
| 22 | House of Mystery #177 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 23 | The Son of the Montross Monster | comic story | 7.67 | pencils: Mort Meskin; inks: George Roussos, Mort Meskin | Cain (host) |
| 24 | Room 13 | comic story | 1 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | Cain |
| 25 | A Guide to Ghostly Behavior | comic story | 1 | | Cain (host) |
| 26 | Page 13 | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 27 | Last Meal | text story | 2 | script: Charles King; pencils: Joe Orlando; inks: Joe Orlando | |
| 28 | The Curse of the Cat | comic story | 10 | script: Howie Post; pencils: Bill Draut; inks: Bill Draut | Cain (host) |
| 29 | Cain's Game Room | comic story | 2 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 30 | House of Mystery #178 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 31 | Introduction | foreword, introduction, preface, afterword | 1 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | Cain |
| 32 | The Game | comic story | 6.67 | script: Neal Adams; pencils: Neal Adams; inks: Neal Adams | |
| 33 | The Man Who Haunted a Ghost! | comic story | 6 | pencils: Jim Mooney; inks: Jim Mooney | |
| 34 | Page 13 | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 35 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 36 | What's the Youth? | comic story | 8 | script: E. Nelson Bridwell; pencils: Win Mortimer; inks: George Roussos | Cain (host) |
| 37 | Ghostly Miners! | comic story | 1 | | Cain (host) |
| 38 | House of Mystery #179 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 39 | Introduction | foreword, introduction, preface, afterword | 1 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | Cain |
| 40 | Sour Note! | comic story | 6 | script: E. Nelson Bridwell; pencils: Jerry Grandenetti; inks: George Roussos | Cain (host) |
| 41 | The Man Who Murdered Himself! | comic story | 3 | script: Marv Wolfman; pencils: Berni Wrightson; inks: Berni Wrightson | Cain (host) |
| 42 | Page 13 | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 43 | Cain's Game Room | comic story | 1.3 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 44 | The Widow's Walk | comic story | 10 | script: Howard Post; pencils: Neal Adams; inks: Joe Orlando | Angus Beame; Mary Bourne; Mr. Bourne (Mary's father); Homer Clyde (Mr. Bourne's servant); Mildred Clyde (Homer's wife); lawyer; various crewmen of Angus Beame; exotic item merchant; modern-day beachgoers |
| 45 | The Dead Tell Tales | comic story | 0.67 | | |
| 46 | House of Mystery #180 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 47 | Comes a Warrior | comic story | 9.67 | script: Gil Kane; pencils: Gil Kane; inks: Wally Wood | Cain (host) |
| 48 | His Name Is... Kane | comic story | 6.5 | script: Mike Friedrich; pencils: Gil Kane; inks: Wally Wood; letters: Milt Snapinn | Abel; Carmine Infantino; Gil Kane; Joe Orlando; Mike Friedrich |
| 49 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 50 | Oscar Horns In | text story | 2 | script: Cliff Rhodes; pencils: Joe Orlando; inks: Joe Orlando | |
| 51 | Scared to Life | comic story | 3 | script: Marv Wolfman; pencils: Bernie Wrightson; inks: Bernie Wrightson | Cain (host) |
| 52 | Cain's Game Room | comic story | 1.67 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 53 | Fingerprints | comic story | 1 | pencils: Morris Waldinger; inks: Morris Waldinger; letters: Morris Waldinger | |
| 54 | House of Mystery #181 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 55 | Sir Greeley's Revenge! | comic story | 11.33 | script: Otto Binder; pencils: Frank Springer; inks: Frank Springer | Cain (host) |
| 56 | Page 13 | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 57 | The Siren of Satan | comic story | 10 | script: Robert Kanigher; pencils: Bernie Wrightson; inks: Bernie Wrightson | Cain (host) |
| 58 | Cain's Game Room | comic story | 0.67 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 59 | House of Mystery #182 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 60 | The Devil's Doorway | comic story | 10.67 | script: Jack Oleck; pencils: Alex Toth; inks: Alex Toth | Cain (host) |
| 61 | Grave Results! | comic story | 3 | script: Marv Wolfman; pencils: Wayne Howard; inks: Wayne Howard | Cain (host) |
| 62 | The House of Secrets! | promo (ad from the publisher) | 1 | script: Joe Orlando; pencils: Jerry Grandenetti; inks: Dick Giordano | Cain; Gregory the gargoyle |
| 63 | Cain's Game Room | comic story | 0.5 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 64 | The Hound of Night! | comic story | 7.67 | script: Robert Kanigher; pencils: Jerry Grandenetti; inks: Jerry Grandenetti | Cain (host) |
| 65 | House of Mystery #183 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 66 | Introduction | foreword, introduction, preface, afterword | 1 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | Cain |
| 67 | The Haunting! | comic story | 5 | script: Jack Oleck; pencils: Jerry Grandenetti; inks: Jerry Grandenetti | Cain (host) |
| 68 | Cain's Game Room | comic story | 0.67 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 69 | Curse of the Blankenships | comic story | 0.5 | script: Morris Waldinger; pencils: Morris Waldinger; inks: Morris Waldinger | |
| 70 | Superstitions about Spiders | comic story | 0.5 | pencils: Mort Drucker; inks: Mort Drucker | |
| 71 | The Dead Can Kill! | comic story | 3 | script: Marv Wolfman; pencils: Bernie Wrightson; inks: Bernie Wrightson | Cain (host) |
| 72 | Page 13 | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 73 | Cain's Game Room | comic story | 1.5 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 74 | Secret of the Whale's Vengeance | comic story | 11.67 | script: Robert Kanigher; pencils: Jerry Grandenetti; inks: Wally Wood | Cain (host) |
| 75 | House of Mystery #184 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 76 | Introduction | foreword, introduction, preface, afterword | 1 | pencils: Alex Toth; inks: Alex Toth | Cain |
| 77 | Turner's Treasure | comic story | 10 | script: Jack Oleck; pencils: Alex Toth; inks: Alex Toth | Cain (host) |
| 78 | Page 13 | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 79 | The Eyes of the Basilisk! | comic story | 9.67 | script: E. Nelson Bridwell; pencils: Gil Kane; inks: Wally Wood | Cain (host) |
| 80 | Cain's Game Room | comic story | 1.5 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 81 | House of Mystery #185 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 82 | Boom! | comic story | 8 | script: Jerry Grandenetti; pencils: Jerry Grandenetti; inks: Jerry Grandenetti | Cain (host) |
| 83 | Cain's Game Room | comic story | 0.67 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 84 | Room 13! | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 85 | Voice from the Dead... | comic story | 3 | pencils: Wayne Howard; inks: Wayne Howard | Cain (host) |
| 86 | Cain's Game Room | comic story | 0.5 | script: Joe Orlando; pencils: Joe Orlando; inks: Joe Orlando | |
| 87 | The Beautiful Beast | comic story | 11 | script: Joe Gill; pencils: Al Williamson; inks: Al Williamson | Cain (host) |
| 88 | House of Mystery #186 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 89 | The Secret of the Egyptian Cat | comic story | 10 | script: Robert Kanigher; pencils: Bernie Wrightson; inks: Bernie Wrightson | Cain (host) |
| 90 | Room 13! | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 91 | Cain's Game Room | comic story | 2 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 92 | Nightmare | comic story | 12 | script: Jack Oleck; pencils: Neal Adams; inks: Neal Adams | Cain (host) |
| 93 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 94 | House of Mystery #187 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 95 | Mask of the Red Fox | comic story | 11.33 | script: Robert Kanigher; pencils: Alex Toth; inks: Alex Toth | Cain (host) |
| 96 | Room 13 | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 97 | Appointment Beyond the Grave! | comic story | 3 | pencils: Wayne Howard; inks: Wayne Howard | Cain (host) |
| 98 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 99 | An Aura of Death! | comic story | 7 | pencils: John Celardo; inks: Mike Peppe | Cain (host) |
| 100 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 101 | House of Mystery #188 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | Cain (vignette) |
| 102 | Dark City of Doom | comic story | 11.67 | script: Gerard Conway; pencils: Tony DeZuniga; inks: Tony DeZuniga | Cain (host) |
| 103 | Cain's Gargoyles.. | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 104 | Room 13! | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 105 | Cain's Game Room | comic story | 1 | script: John Albano; pencils: John Albano; inks: John Albano | |
| 106 | House of Madness! | comic story | 8 | pencils: Bernie Wrightson; inks: Bernie Wrightson | Cain (host) |
| 107 | House of Mystery #189 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 108 | Introduction | foreword, introduction, preface, afterword | 2 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | Cain |
| 109 | Eyes of the Cat | comic story | 12 | script: Robert Kanigher; pencils: Jerry Grandenetti; inks: Wally Wood | Cain (host) |
| 110 | The Deadly Game of G-H-O-S-T | comic story | 5.67 | pencils: Leonard Starr; inks: Leonard Starr | Cain (host) |
| 111 | The Thing in the Chair | comic story | 6 | script: Jack Oleck; pencils: Tom Sutton; inks: Tom Sutton | Cain (host) |
| 112 | [House of Mystery #190] A Witch Must Die! | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 113 | - | comic story | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | Cain |
| 114 | Fright! | comic story | 10 | script: Robert Kanigher; pencils: Alex Toth; inks: Alex Toth | Cain (host) |
| 115 | Room 13! | activity | 1 | script: Joe Orlando; pencils: Sergio Aragonés; inks: Sergio Aragonés | Cain |
| 116 | Cain's Game Room | comic story | 1 | script: John Albano; pencils: John Albano; inks: John Albano | |
| 117 | Cain's Gargoyles.. | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 118 | A Witch Must Die! | comic story | 9.67 | script: Jack Miller; pencils: Ric Estrada; inks: Frank Giacoia | |
| 119 | House of Mystery #191 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 120 | No Strings Attached! | comic story | 11 | script: Len Wein; pencils: Bill Draut; inks: Bill Draut | Cain (host) |
| 121 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 122 | The Hanging Tree! | comic story | 6 | script: Jack Oleck; pencils: Tony DeZuniga; inks: Tony DeZuniga | Cain (host) |
| 123 | Night Prowler! | comic story | 3 | script: Len Wein; pencils: Berni Wrightson; inks: Berni Wrightson | |
| 124 | House of Mystery #192 | cover reprint (on interior page) | 1 | pencils: Neal Adams; inks: Neal Adams | |
| 125 | The Gardener of Eden! | comic story | 10 | script: John Albano; pencils: Jim Aparo; inks: Jim Aparo | Cain (host) |
| 126 | Cain's Game Room | comic story | 1 | script: Lore Shoberg; pencils: Lore Shoberg; inks: Lore Shoberg | |
| 127 | Image of Darkness | comic story | 7 | script: Robert Kanigher; pencils: Gray Morrow; inks: Gray Morrow | Cain (host) |
| 128 | Nobody Loves a Lizard! | comic story | 4 | script: Virgil North; pencils: Don Heck; inks: Don Heck | Cain (host) |
| 129 | [House of Mystery #193] Voodoo Vengeance | cover reprint (on interior page) | 1 | pencils: Bernie Wrightson; inks: Bernie Wrightson | |
| 130 | Voodoo Vengeance! | comic story | 13 | script: Alan Riefe; pencils: Tony DeZuniga; inks: Tony DeZuniga | Cain (host) |
| 131 | Dark Night, Dark Dreams! | comic story | 7 | script: Francis X. Bushmaster; pencils: Bill Draut; inks: Bill Draut | Cain (host) |
| 132 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 133 | The Hero | comic story | 1 | script: Lore Shoberg; pencils: Lore Shoberg; inks: Lore Shoberg | |
| 134 | House of Mystery #194 | cover reprint (on interior page) | 1 | pencils: Bernie Wrightson; inks: Bernie Wrightson | |
| 135 | Born Loser | comic story | 9.67 | script: Jack Oleck; pencils: Alex Toth; inks: Alex Toth | Cain (host) |
| 136 | The Human Wave | comic story | 8 | pencils: Russ Heath; inks: Russ Heath | |
| 137 | The Negative Man | comic story | 8 | pencils: Jack Kirby; inks: Jack Kirby | |
| 138 | Cain's Game Room | comic story | 1 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 139 | Midnight Snack | comic story | 1 | script: John Costanza; pencils: John Costanza; inks: John Costanza | Cain |
| 140 | The King Is Dead | comic story | 10 | script: Jack Oleck; pencils: Nestor Redondo; inks: Nestor Redondo | Cain (host) |