| Title | Author | KB | Genre |
|---|---|---|---|
| Kaboom | Chris Jong | 25.07 | Action |
| Kaboom! | Zandor 12 | 15.56 | Arcade, Engine, Trippy |
| Kaddar's Engines | Kaddar | 4.19 | Compilation, Engine |
| The Kakapo of Love | Agent Orange | 44.43 | Cameo, Comedy, Random |
| Kamek | coolzx | 29.35 | Puzzle |
| The Kane Project | Master Raze | 22.68 | Action |
| The Kane Project 2 | Master Raze | 51.26 | Action, Adventure |
| The Kane Project 2 - Disc 2 | Master Raze | 55.26 | Action, Adventure |
| The Kane Project 2 Demo | Master Raze | 38.74 | Action, Demo |
| The Kane Project 2 Disc 1 & 2 | Master Raze | 78.23 | Action, Adventure |
| The Kane Project 3 | Master Raze | 109.64 | Action, Adventure |
| The Kane Project 4 | Master Raze | 46.49 | Action, Adventure |
| The Kane Project 4 Demo | Master Raze | 26.53 | Action, Demo |
| Kane Project 5: The Final War (Demo) | Master Raze | 26.17 | Action, Adventure, Demo |
| Kane Project 5: The Final War (Incomplete) | Master Raze | 44.93 | Action, Adventure, Incomplete |
| Kane's Maze | Maddog | 1.37 | Maze |
| Karateka + | James Ashby, Matthew Vecchio | 94.13 | Adventure, RPG |
| Karro Wars Part One: Bounty | BlacKat, JM | 30.68 | RPG, Sci-Fi |
| Karro Wars Part Two: EXILE (demo) | BlacKat, JM | 9.79 | Demo, RPG, Sci-Fi |
| Kart Racing Demo | Code255 | 14.57 | Action, Demo, Racing |
| Kate 1 | Bobo245 | 26.15 | Adventure, Incomplete |
| The Kave | Zenith Nadir | 26.26 | Adventure |
| The Kave: Special Edition | Zenith Nadir | 34.52 | Action, Remake |
| Keesh's Quest | Al Riccitelli | 38.61 | Adventure |
| Keesh's Quest 2 | Al Riccitelli | 45.49 | Adventure |
| Keg O' Rum | Crazy Panda | 16.72 | Comedy, Parody |
| Kekie's Casino World | Viovis Acropolis | 68.5 | 24HoZZT, Compilation, Contest |
| Kerbie's Quest | Richard Goodness | 11.91 | Adventure |
| Kerfuffle! | KKairos | 13.32 | Action, Arcade, Minigame |
| KevEdit v0.1 | Kev Vance | 78.34 | Utility |
| KevEdit v0.5.0 (DOS) | Kev Vance | 168.97 | Utility |
| KevEdit v0.5.0 (Windows) | Kev Vance | 502.82 | Utility |
| KevEdit v1.1.3 (Windows) | Kev Vance | 1078.93 | Utility |
| KevHelp2 | he_the_great | 14.62 | Help |
| KevHelp3 | he_the_great | 17.75 | Help |
| Kevin's Magical Quest | LeMMO14 | 32.61 | RPG |
| KevQuest | Nivek | 26.23 | RPG |
| KevQuest II | Nivek | 27.77 | RPG |
| Kewlio Font | Kewlio | 8.66 | Engine, Font |
| Kewltown | ZZTurbo | 12.81 | Action |
| Kiddy Fun | _ry0suke_ | 24.58 | Art |
| Kiki's Quest | LowerVP | 11.18 | Action, Adventure |
| Kill Barney | David Hetrick | 2.56 | Action |
| Kill Barney | Unknown | 1.46 | Other |
| Kill Mr.Beast | rules of nature | 1.35 | Fangame, Fantasy, Trippy |
| Killer ZZT | WiL | 0.84 | Utility |
| Kim's Revenge | Kimberly Marie Capella | 12.4 | Adventure, Puzzle |
| Kimchi Revolution | applebaps, Gamma Lyrae | 54.82 | Experimental |
| Kinderspiele | Zephyr | 43.57 | Action, Adventure, Compilation, Incomplete |
| King Hawk vs. Earthlord | T-800 | 5.21 | Action |
| The King in Yellow Borders | VRose, WiL | 810.08 | Adventure, Horror |
| King Ironhammer's Legacy | DarkMage | 39.38 | Adventure, RPG |
| The King of ZZT | John Reef | 13.11 | Action, Adventure |
| King Trethain's Heir | Nivek | 120.3 | Font, RPG |
| King's Quest ZZT | Hydra, MeBo | 71.34 | Fangame, Remake, RPG |
| King's Quest ZZT 2 | Hydra, MeBo | 183.09 | Adventure, RPG |
| The Kingdom of Zandia | Jeremy LaMar | 34.01 | Action, Puzzle |
| The Kingdom Of ZZT | Joseph McIntosh, Kevin Smith | 5.71 | Action, Adventure |
| Kings (Version Demo.1) | Matthew D. | 16.46 | Adventure, Demo |
| Kirby's Adventure To Save Dreamland Again | Yoshi011 | 13.79 | Platformer |
| Kissy Kissy Bang Bang | Anonymous | 4.26 | Art |
| Kitten Evolution | TripleFox | 1.68 | Action, Contest, Ludum Dare |
| Kitten Hallway | LOVELOVEKITTY | 692.26 | Adventure, Contest, Oktrollberfest |
| Kitten Hallway 2 | LOVELOVEKITTY, WiL | 18.23 | Contest, Oktrollberfest, Puzzle, Story |
| Kitten Hallway ]I[:Return of Kitten Hallway:End of Kitten Hallway:Kitten Hellway | LOVELOVEKITTY, WiL | 82.34 | Action, Arcade, Contest, Engine, Experimental, Oktrollberfest, RPG |
| KITTIES ON PARADE | LOVELOVEKITTY | 16.69 | Adventure |
| Kitty File 1 | Parasite | 63.4 | Adventure |
| The KjKit | Kjorteo | 26.8 | Toolkit |
| Klide's Adventures In The Amazon Fire City | TheUnknown | 33.91 | Action, Adventure, RPG |
| Klide's Adventures in The Amazon Fire City Demo | TheUnknown | 25.24 | Demo |
| KM'S verden (very early version) | kristomu | 3.64 | Action, Adventure, Incomplete |
| A Knife and a Stick Extended Edition | Asiekierka | 20.08 | Adventure |
| KNIGHST OF MARS | Commodore | 6.95 | Action, Adventure |
| Knights & Wizards | Ross Werner | 40.7 | Adventure, Beta |
| Knoxville - BoB | Kuno | 35.08 | Adventure |
| Kobold Quest | Unknown | 2.7 | RPG |
| Kobold Smoocher | Bluey | 16.1 | Action, Fantasy, Retro |
| Kohler's New ZZT Game | Chris Kohler | 7.91 | Action |
| Kohler's New ZZT Game V1.1 | Chris Kohler | 7.86 | Action |
| Kohler's New ZZT Game V1.2 | Chris Kohler | 9.27 | Action |
| Komputerwelt | WiL | 22.29 | Action, Incomplete, Puzzle |
| Koopo The Lemming | Koopo | 89.61 | Platformer |
| Koopo's ... | Koopo | 101.76 | Compilation |
| KramerVille | starbrand | 8.86 | Adventure |
| Kudzu | clysm | 22.73 | Adventure |
| Kudzu 2.1 (update, not sequel) | clysm | 34.26 | Adventure, Update |
| Kwest | Michael Goldman | 22.74 | Adventure |
| Kwest | Oryx-de-Cow, Voighdt | 16.77 | Adventure, Incomplete |
| Kyler's Adventure Demo ][ | Kyler Daugherty | 7.33 | Adventure, Comedy, Demo |