| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Ka | Dan Efran | 2010 | English | |
| Kaboot's Story | Josh Giesbrecht | 2005 | English | Solution, Map |
| Kävijä | Jarel |
2010 | Spanish | |
| Keepsake | Savaric | 2011 | English | |
| Kenny Koala's Bushfire Survival Plan | Garry Francis | 2022 | English | Solution, Map |
| Kerkerkruip | Victor Gijsbers | 2011 | English | |
| Kicker | Pippin Barr | 2012 | English | |
| Kids Shouldn't Have to Save the World | Marnie Parker | 1999 | English | Solution, Map |
| Killer Headache, A | Mike Ciul | 2012 | English | Solution |
| King and the Crown, The | Wes Lesley | 2015 | English | |
| King of Shreds and Patches, The | Jimmy Maher | 2009 | English | |
| King's Ball, The | Garry Francis | 2023 | English | Solution, Map |
| Kingdom of Amphibia | Radical Al | 1997 | English | Solution |
| Klub Karisma | Christian Blümke | 2008 | German | |
| Koan | Esa Peuha | 2002 | English | |
| Konix | Xavi Carrascosa |
2008 | Spanish | |
| Kook U | Anonymous | 1997 | English | Solution |
| Kopialbuch | Maximilian Kalus | 2005 | German | |
| Krakatoa Tuna Melt | David Welbourn | 2002 | English | Solution, Map |