| title | developer | year | platform | | pop. |
|---|
| Q.U.B.E. | Toxic Games | TBA | Linux | puzzle | | | label | |
| Q.U.B.E. | Toxic Games | 2011 | Windows | puzzle | image | subject | label | |
| Q.U.B.E. 2 | Toxic Games | 2018 | Windows | adventure puzzle | | | label | |
| Q*bert: Rebooted | Sideline Amusements;Gonzo Games | 2014 | Linux | action/reflex platformer | | | label | |
| Qasir Al-Wasat: A Night in-Between | Aduge | 2014 | Linux | action/reflex adventure Fantasy | | subject | label | |
| Qbeh-1: The Atlas Cube | Liquid Flower | 2014 | Windows | puzzle | | subject | label | |
| Qbik | Norbert Palacz | 2017 | Linux | | | | label | |
| Qbike: Crypto Motorcycles | GexagonVR | 2017 | Linux | racing/driving | | | label | |
| QbQbQb | Rezoner | 2016 | Linux | | | | label | |
| quadrant | undef | 2015 | Linux | rhythm | | | label | |
| Quadrant | HKFiftyOne Games | 2016 | Linux | shooter Science Fiction | | | label | |
| Quadrilateral Cowboy | Blendo Game | 2013 | Linux | simulation | | | label | |
| Quantum Break | Remedy Entertainment | 2016 | Windows | shooter Science Fiction | image | | label | |
| Quantum Chess | Broken Circle Studios;Quantum Realm Games | 2016 | Linux | strategy board game | | | label | |
| Quantum Conscience | Woodsy Studio | 2014 | Linux | adventure Science Fiction | | | label | |
| Quantum Conundrum | Airtight Games | 2012 | Windows | action/reflex platformer puzzle Cartoon | image | subject | label | |
| Quantum Replica | ON3D | 2017 | Linux | action/reflex adventure | | | label | |
| Quarantine | Sproing | 2017 | Windows | simulation turn-based | image | | label | |
| Quasar | Osnap Games | 2016 | Linux | shooter Science Fiction | | | label | |
| Quatro Luzes | author | 2015 | Linux | | | | label | |
| Quatros Origins | God As A Cucumber | 2016 | Linux | action/reflex puzzle | | | label | |
| QUBIC | Triple-Star Studio | 2016 | Linux | puzzle turn-based | | | label | |
| Queen At Arms | Aqualuft Games | 2016 | Linux | | | | label | |
| Queen Under The Mountain | Michael Todd Games | 2015 | Linux | | | | label | |
| Queen's Quest 2: Stories of Forgotten Past | Brave Giant | 2017 | Linux | puzzle | | | label | |
| Queen's Quest 3: The End of Dawn | Brave Giant | 2017 | Linux | puzzle | | | label | |
| Queen's Quest: Tower of Darkness | Brave Giant | 2015 | Linux | puzzle | | | label | |
| Quern - Undying Thoughts | Zadbox Entertainment | 2016 | Linux | adventure | | | label | |
| Quest for Infamy | Infamous Adventures | 2014 | Windows | adventure Fantasy | image | | label | |
| Quest for Infamy | Infamous Adventures | 2014 | Linux | adventure Fantasy | | subject | label | |
| Quest Hunter | 2 Zombie Games | 2017 | Linux | action/reflex role-play Fantasy | | | label | |
| Quest of Dungeons | author | 2014 | Linux | role-play | | | label | |
| Quest of Dungeons | author | 2014 | Windows | role-play | | | label | |
| Quest of Souls | King Crow Studios | 2016 | Linux | shooter role-play Fantasy | | | label | |
| Questr | Mutant Entertainment Studios | 2017 | Linux | role-play | | | label | |
| Quests Unlimited | Oxrock Studio | 2018 | Linux | | | | label | |
| Quintet | author | 2015 | Linux | simulation flight | | subject | label | |
| Quip Anomaly | mentics | 2016 | Linux | action/reflex | | | label | |
| Quote | Vindit | 2017 | Linux | | | | label | |
| Qvabllock | NedoStudio | 2018 | Windows | puzzle | | subject | label | |
