| 0 | - | cover | 1 | pencils: Fero Pe; inks: Fero Pe | |
| 1 | - | credits, title page | 3 | letters: typeset | |
| 2 | - | illustration | 1 | pencils: Adam Gorham; inks: Adam Gorham | |
| 3 | Kingdom of Rats Prelude | comic story | 4 | script: Bobby Curnow; pencils: Pablo Tunica; inks: Pablo Tunica; colors: Pablo Tunica; letters: Shawn Lee | Rat King |
| 4 | - | illustration | 1 | pencils: Dave Watcher; inks: Dave Watcher | |
| 5 | Teenage Mutant Ninja Turtles #84 Cover | cover reprint (on interior page) | 1 | pencils: Dave Wachter; inks: Dave Wachter; colors: Dave Wachter | |
| 6 | Kingdom of Rats, Part 4 | comic story | 20 | script: Kevin Eastman, Bobby Curnow, Tom Waltz; pencils: Dave Wachter; inks: Dave Wachter; colors: Ronda Pattison; letters: Shawn Lee | April O'Neil; Baxter Stockman; Donatello; Leonardo; Michelangelo; Rat King; Raphael; Jennika; Splinter |
| 7 | - | illustration | 1 | pencils: Mark Torres; inks: Mark Torres | |
| 8 | Teenage Mutant Ninja Turtles Annual 2020 Cover | cover reprint (on interior page) | 1 | pencils: Adam Gorham; inks: Adam Gorham; colors: Adam Gorham | |
| 9 | The Monsters Within | comic story | 30 | script: Tom Waltz; pencils: Adam Gorham; inks: Adam Gorham; colors: John Rauch, Michael Garland; letters: Shawn Lee | Alopex; Bludgeon; Angel Bridge; Dreamer; Donatello; Dragon; Koya; Natsu; Oroku Karai; Kitsune; Leatherhead; Krang; Leonardo; Michelangelo; Shredder; Raphael; Rat King; Splinter |
| 10 | Teenage Mutant Ninja Turtles Annual 2020 Kevin Eastman Variant Cover | cover reprint (on interior page) | 1 | pencils: Kevin Eastman; inks: Kevin Eastman; colors: Fahriza Kamaputra | |
| 11 | Teenage Mutant Ninja Turtles Annual 2021 Cover | cover reprint (on interior page) | 1 | pencils: Casey Maloney; inks: Maria Keane; colors: Luis Antonio Delgado | |
| 12 | Prelude to The Armageddon Game | comic story | 30 | script: Tom Waltz; pencils: Casey Maloney; inks: Maria Keane; colors: Luis Antonio Delgado; letters: Shawn Lee | Jagwar; Manmoth; Rat King; Toad Baron; Aka; Alberto; Anchovy; Angel Bridge; April O'Neil; Baxter Stockman; Bebop; Bludgeon; Brooklyn S. Bridge; Casey Jones; Donatello; Chi-You; Dragon; Beth O'Neil; Fight'n Ferguson; Franz; Fugitoid; Gothano; Harold Lilja; Herman; Hun; Jennika; John O'Neil; Kara Lewi |
| 13 | Teenage Mutant Ninja Turtles Annual 2021 Kevin Eastman Variant Cover | cover reprint (on interior page) | 1 | pencils: Kevin Eastman; inks: Kevin Eastman; colors: Fahriza Kamaputra | |
| 14 | Teenage Mutant Ninja Turtles: The Armageddon Game - Opening Moves #1 Cover | cover reprint (on interior page) | 1 | pencils: Fero Pe; inks: Fero Pe; colors: Fero Pe | |
| 15 | - | comic story | 30 | script: Tom Waltz; pencils: Fero Peniche; inks: Fero Peniche; colors: Ronda Pattison; letters: Shawn Lee | Aka; Ch'rell; Dask; Kala; Kitsune; Leatherhead; Krang; Exeen; Grotto; Luna Azul; Rave; Trip; Zebulon; Baxter Stockman; Donatello; Hambrath; Kleve; Hamato Yoshi; Leonardo; Michelangelo; Null; Oroku Karai; Raphael; Splinter; Tang Shen |
| 16 | Teenage Mutant Ninja Turtles: The Armageddon Game - Opening Moves #1 Kevin Eastman Variant Cover | cover reprint (on interior page) | 1 | pencils: Kevin Eastman; inks: Kevin Eastman; colors: Fahriza Kamaputra | |
| 17 | Teenage Mutant Ninja Turtles: The Armageddon Game - Opening Moves #2 Cover | cover reprint (on interior page) | 1 | pencils: Fero Pe; inks: Fero Pe; colors: Fero Pe | |
| 18 | - | comic story | 30 | script: Tom Waltz; pencils: Fero Pe; inks: Fero Pe; colors: Ronda Pattison; letters: Shawn Lee | Baxter Stockman; Cherubae; Kitsune; Noi Tai Dar; Null; Old Hob; Shredder; Verminator Z; Zara Flood; Cudley; Krisa; Homunculi; Leatherhead; Krang; Mona Lisa; Raphael; Rat King; Sally Pride; Zodi |
| 19 | Teenage Mutant Ninja Turtles: The Armageddon Game - Opening Moves #2 Kevin Eastman Variant Cover | cover reprint (on interior page) | 1 | pencils: Kevin Eastman; inks: Kevin Eastman | |