| Framfab | Sweden | 1995 | 3 | — |
| France Télécom | France | 1988 | — | 1 |
| Fraxel Games | — | 2015 | 1 | 1 |
| Free Lives | South Africa | April 2012 | 4 | — |
| Free Range Games | United States | — | 2 | 1 |
| Freebird Games | — | 2007 | 1 | 1 |
| Freedom Games | United States | 2020 | — | 30 |
| FreeMind | Poland | — | 1 | — |
| Freeverse | United States | 1994 | 2 | 3 |
| French-Bread | Japan | — | 9 | 1 |
| Freshplanet | United States | 2009 | 1 | — |
| Frictional Games | Sweden | 2006 | 6 | 4 |
| Frima Studio | Canada | 2003 | 5 | 2 |
| Friv | United Kingdom | 2006 | — | — |
| Frog City Software | United States | 1995 | 3 | — |
| Frog Vibes | Netherlands | — | 1 | — |
| Frogmind | Finland | April 2012 | 2 | 2 |
| Frogsong Studios | Sweden | — | 1 | 1 |
| Frogwares | Ukraine | 2000 | 14 | 6 |
| FromSoftware | Japan | November 1986 | 39 | 16 |
| Front Wing | Japan | 2000 | 7 | 6 |
| Frontier Developments | United Kingdom | 1994 | 16 | 15 |
| Frontier Works | Japan | 2002 | — | 1 |
| Frost Giant Studios | United States | October 20, 2020 | 1 | 1 |
| Frosty Pop | Canada | — | 2 | 2 |
| Frozen Codebase | United States | 2006 | 1 | — |
| Frozenbyte | Finland | 2001 | 9 | 3 |
| Fruitbat Factory | Finland | February 10, 2012 | — | 12 |
| Fujisankei Communications International | United States | 1986 | — | 5 |
| Fujishoji | Japan | 1958 | 1 | — |
| Fujitsu | Japan | June 20, 1935 | 1 | 2 |
| Full Fat | United Kingdom | 1996 | 3 | — |
| Full Moon Features | United States | 1989 | — | 1 |
| Full On Games | Japan | December 2, 1996 | 1 | 1 |
| Fullbright | United States | 2012 | 1 | — |
| Fulqrum Publishing | Poland | — | — | 4 |
| Funatics Software | Germany | 1998 | 4 | — |
| Funbox Media | United Kingdom | March 10, 2010 | — | 2 |
| Funcom | Norway | 1994 | 5 | 6 |
| Funktronic Labs | United States | July 18, 2013 | 3 | 3 |
| Funomena | United States | 2013 | 1 | 1 |
| FunPlus | People's Republic of China | 2010 | 1 | 1 |
| Fury Software | Canada | 1999 | 6 | — |
| Furyu Corporation | Japan | April 2007 | 2 | 4 |
| Future Friends Games | United Kingdom | 2017 | — | 1 |
| Future Games | Czech Republic | 1996 | 1 | — |
| Future Proof Games | United States | — | — | 1 |
| Future-Digi | Taiwan | April 3, 2006 | — | 3 |
| Fuuki | Japan | 1977 | 1 | 1 |
| FX Interactive | Spain | June 1999 | — | 4 |
| FYRE Games | United States | September 23, 2020 | 2 | 2 |
| Fyto | Japan | August 2001 | 1 | — |
| G CHOICE | Japan | 2001 | 1 | — |
| G-Collections | United States | 2001 | — | 5 |
| G-Mode | Japan | 2000 | 3 | 4 |
| G-Style Co., Ltd. | Japan | — | 1 | 1 |
| G.rev | Japan | July 2000 | 3 | 1 |
| G5 Entertainment | Sweden | 2001 | 1 | 1 |
| Gabriel Entertainment | United States | 1999 | 4 | — |
| Gaddy Games | France | 2012 | 1 | 1 |
| Gaelco | Spain | September 27, 1985 | 1 | 1 |
| Gaijin Entertainment | Hungary | 2002 | 5 | 4 |
| Gaijinworks | United States | 2006 | — | 1 |
| Gainax | Japan | December 24, 1984 | 5 | 2 |
| Gakken Holdings | Japan | 1946 | — | 2 |
| Galdra Studios | Denmark | — | 1 | 1 |
| Gamaga | Chile | 2008 | 1 | — |
| Game Arts | Japan | March 2, 1985 | 19 | 3 |
| Game Factory Interactive | Russia | 2003 | — | 1 |
| Game Freak | Japan | April 26, 1989 | 44 | 2 |
| Game Nacional | Brazil | — | — | 6 |
| Game Nation | United States | 2011 | 1 | — |
| Game Republic | Japan | 2003 | 4 | — |
| Game Seer | Germany | — | — | 1 |
| Game Source Entertainment | People's Republic of China | 2006 | — | 2 |
| Game Swing | Denmark | 2013 | 1 | — |
| Gameblyr | United States | 2013 | — | 1 |
| GameChanger Studio | Indonesia | 2013 | 2 | — |
| Gamecock Media Group | United States | February 12, 2007 | — | 2 |
| Gamecom Team | Indonesia | 2014 | 2 | 1 |
| GameCrafterTeam | Thailand | — | 1 | — |
| Gameforge | Germany | December 2003 | — | 1 |
| GameHouse | United States | 1991 | 12 | 20 |
| Gamelab | United States | 2000 | 1 | — |
| Gamelion Studios | — | 2002 | 1 | — |
| Gameloft | France | 1999 | 47 | 43 |
| Gameloft Software Beijing | People's Republic of China | — | 2 | — |
| GameMill Publishing | United States | 2001 | — | 11 |
| GameOn | Japan | April 2, 2001 | 1 | — |
| Gameone | People's Republic of China | — | 1 | 1 |
| GameTek | United States | 1987 | 7 | 16 |
| GameTomo | Japan | — | 1 | 1 |
| Gamevil | South Korea | 2000 | — | 1 |
| GAMFS N | South Korea | December 17, 2021 | 1 | — |
| Gaming Company | United Kingdom | October 23, 2014 | — | 1 |
| Gaming Minds Studios | Germany | 2009 | 5 | — |
| Gamious | Netherlands | 2011 | 2 | 2 |
| Gamirror Games | People's Republic of China | December 2, 2014 | — | 27 |
| Gammafon | Sweden | February 7, 1972 | 1 | 2 |
| Gamos | Russia | 1991 | 2 | — |