| Leslie Young | Developer | |
| Less Loops | Developer | |
| Lesser Evil Games | Developer | |
| Lesser Panda | Developer | |
| LesserGatsby | Developer | |
| Lesta Studio | Developer | |
| Lestutossue4 | Developer | |
| Leszek Górniak | Developer | |
| Let's GameDev | Developer | |
| Lethal Raptor Games | Developer | |
| Lethal-Highway | Developer | |
| LethalChicken | Developer | |
| Lethargic in the Park | Developer | |
| Lethargica | Developer | |
| Lethifer & Cruxhallow | Developer | |
| LetiGame | Developer | |
| Letmethink | Developer | |
| LetsPickle | Developer | |
| Lettuce Waltz | Developer | |
| LettuceSandwich | Developer | |
| Lettuxine | Developer | |
| Leuvision | DeveloperPublisher | |
| Lev | Developer | |
| Lev1 | Developer | |
| LevBronstein | Developer | |
| LevUNknown | Developer | |
| Levande Böcker | Publisher | |
| Levande Böcker i Norden AB | Developer | |
| Level 77 | Publisher | |
| Level 9 | DeveloperPublisher | |
| Level 9 (Pete Austin) | Developer | |
| Level 9 (Pete Austin, Mike Austin) | Developer | |
| Level 9 Computing | DeveloperPublisher | |
| Level 91 Entertainment | Developer | |
| Level Evil | Developer | |
| Level Systems | Developer | |
| Level Up Games | Publisher | |
| Level Up Labs | DeveloperPublisher | |
| Level Up! Games | Publisher | |
| Level-5 | DeveloperPublisher | |
| LevelMasterGD | Developer | |
| LevelUpJordan | Developer | |
| Leveled Games | DeveloperPublisher | |
| LeverSoftware | Developer | |
| Levi James Games | Developer | |
| Levi Moore | Developer | |
| Levi Stenton | Developer | |
| LeviAckerman | Developer | |
| LeviRamirezNG | Developer | |
| LeviX | Developer | |