| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| I Palindrome I | Nick Montfort |
2012 | English | |
| I've Attached My CV And Cover Letter | Jaime Monedero March | 2020 | English | |
| Igor's Quest | ? | 2020 | English | Map, Solution |
| Impossible Stairs, The | Brian Rushton |
2022 | English | |
| Impostor Syndrome | Deirdra Kiai | 2013 | English | |
| Improv: Origins | Neil deMause | 2022 | English | Solution |
| In a Tomb with a Donkey | Dee Cooke |
2023 | English | |
| Indiana Jones na Václavském náměstí | Zuzan Znovuzrozený |
1989 | Czech | |
| Interactive Adventurer's Tutorial Adventure, The | Cobwebbed Dragon | 2023 | English | |
| International Cryptex Day | Errol Elumir | 2021 | English | |
| Into the Dungeon | Millenium Games | 2018 | English | |
| Into the Dungeon 2 | Millenium Games | 2018 | English | |
| Isla del Diablo, La | Farland Adventures | 2024 | Spanish | |
| Iunnuh 2 | Aristide Torrelli | 2015 | Italian |