| Title | Author | KB | Genre |
|---|---|---|---|
| Y2K | Andrew MacNamee | 5.4 | Story |
| Y2K: Year of Hell Demo | El Capitan | 21.21 | Action, Demo |
| Yapok Sundria | Yapok Jr. | 27.25 | Adventure |
| Yapok Sundria (Unofficial STK Edition) | Unknown, Yapok Jr. | 31.86 | Adventure, Remake |
| YAS: Yet Another Sokuban | WiL | 13.43 | Incomplete, Puzzle |
| Year of Shapiro | Eurakarte | 98.3 | Action, Adventure, Compilation |
| Yellow Border Black Metal | Agent Orange | 41.16 | Art, Comic |
| Yellow Dwarf | Vork | 41.21 | Action, RPG |
| The Yet Longer ZZT Game | kristomu | 3.73 | Contest, Oktrollberfest, Puzzle |
| YIEPIPIPI | QR Leon | 11.78 | Story |
| Yindle | Catherine Ryan, fatrat | 37.75 | Adventure |
| Yinglet Maker | Agent Orange | 8.9 | Art, Engine, Fangame, Other |
| Yith | Brett Smith | 9.63 | Adventure |
| Yoshi 1 | Chris Kohler | 27.26 | Adventure |
| Yoshi 2 | Chris Kohler | 30.83 | Adventure |
| Yoshi 3 | Chris Kohler | 34.5 | Adventure |
| Yoshi 4 | Chris Kohler | 37.97 | Adventure |
| Yoshi Adventure 1: The Search for Soshi | Unknown | 16.8 | Adventure, Fangame |
| Yoshi and Luigi: The New Adventures to Save Princess Daisy | BigtimeDude, IronWilledMuffin | 29.42 | Action, Comedy |
| Yoshi in Eggs | Unknown | 48.53 | Adventure, Fangame |
| Yoshi's Adventure | Dustin Hubbard | 53.56 | Adventure |
| Yoshi's Dino-Quest | Chris Dingman, Kevin Anderson | 5.18 | Adventure, Fangame, Incomplete |
| Yoshi's Island 1 | tucan | 37.19 | Adventure |
| Yoshi's Island 2 | tucan | 82.09 | Adventure |
| Yoshi's Quest | ThePiper | 19.14 | Adventure, Demo, Fangame |
| Yoshi's Road Apple | Chris Kohler | 11.28 | Adventure |
| Yoshi, Mario, and Boshi Oh My V.1.3 | BigtimeDude | 59.85 | Action, Comedy, Fangame |
| You Are Brainless And You Like Buns | Bark P | 11.5 | Comedy |
| You Must Die! Demo | ZZTyrant | 29.34 | Adventure, Demo |
| You vs. Stupidity 1 | AKNeutron | 52.01 | Adventure |
| You vs. Stupidity 2 | AKNeutron | 78.47 | Action, Font, Puzzle |
| You're Having A Party | Unknown | 6.21 | Adventure |
| Your Rich | Michael, Tomcat, Woody | 65.2 | Adventure, Incomplete |
| Yuki and the Space Show | Zephyr | 107.3 | Action, Adventure, Puzzle, Sci-Fi |
| Yummy | Mrs. Clause | 61.84 | Action, Font |