| Final Fantasy Crystal Chronicles: The Crystal Bearers (Oct 5, 2009 prototype) | 5 October 2009 | Nintendo Wii | RPG | - |
| Final Fantasy II (US Prototype) | | NES | | - |
| Final Fantasy III (Prototype) | | SNES | RPG | - |
| Final Fantasy IX (Sep 6, 2000 prototype) | 6 September 2000 20:30:00 | PlayStation | Role Playing | - |
| Final Fantasy X (Oct 26, 2001 prototype) | 26 October 2001 17:53:06 | PlayStation 2 | Role Playing | - |
| Final Fantasy X (Sep 28, 2001 prototype) | 28 September 2001 08:39:16 | PlayStation 2 | Role Playing | - |
| Final Fantasy X-2 (Aug 20, 2003 prototype) | 20 August 2003 20:50:30 | PlayStation 2 | Role Playing | - |
| Final Fantasy XI (Oct 22, 2005 prototype) | 22 October 2005 08:09:06 | Xbox 360 | MMORPG | - |
| Final Fantasy XI (Oct 27, 2005 prototype) | 27 October 2005 11:53:02 | Xbox 360 | MMORPG | - |
| Final Fantasy XI: Online (Apr 22, 2003 prototype) | 22 April 2003 03:45:48 | PlayStation 2 | Role Playing | - |
| Final Fantasy XI: Online (Nov 20, 2001 prototype) | 20 November 2001 09:53:22 | PlayStation 2 | Role Playing | - |
| Final Fantasy XII (Jul 21, 2006 build) | 21 July 2006 | PlayStation 2 | Role Playing | - |
| Final Fantasy XIII (Aug 11, 2010 prototype) | 11 August 2010 | Xbox 360 | RPG | - |
| Final Fantasy XIII (Aug 12, 2010 prototype) | 12 August 2010 04:06:31 | Xbox 360 | Role playing | - |
| Final Fight CD (Apr 23, 1993 prototype) | 23 April 1993 22:44:32 | Sega CD | Beat 'em Up | - |
| Final Fight: Double Impact (Jan 11, 2010 prototype) | 11 January 2010 16:37:34 | Xbox 360 | Brawler | - |
| Final Fight: Double Impact (Jan 12, 2010 prototype) | 12 January 2010 17:32:09 | Xbox 360 | Brawler | - |
| Final Fight: Double Impact (Nov 17, 2009 prototype) | 17 November 2009 11:25:14 | Xbox 360 | Brawler | - |
| Final Fight: Streetwise (Jan 3, 2006 prototype) | 3 January 2006 16:54:11 | PlayStation 2 | Beat-Em-Up | - |
| Final Fight: Streetwise (Oct 17, 2005 prototype) | 17 October 2005 19:14:11 | PlayStation 2 | Beat-Em-Up | - |
| Final Set (prototype) | | SNES | Sports | - |
| Finger TestBed (Apr 30, 2011 prototype) | 30 April 2011 06:45:27 | Xbox 360 | Misc | ✓ |
| Finny the Fish & the Seven Waters (Sep 15, 2004 prototype) | 15 September 2004 16:05:48 | PlayStation 2 | Action | - |
| Fire Emblem: Rekka no Ken (Feb 19, 2003 prototype) | 19 February 2003 | Game Boy Advance | Tactical | - |
| Fire Emblem: Rekka no Ken (Feb 6, 2003 prototype) | 6 February 2003 | Game Boy Advance | Tactical | - |
| Fire Emblem: The Binding Blade (iQue prototype) | | Game Boy Advance | Role-playing | - |
| Fire Pro Wrestling (Feb 5, 2012 prototype) | 5 February 2012 | Xbox 360 | Wrestling | - |
| Fire Pro Wrestling (Oct 26, 2011 prototype) | 26 October 2011 | Xbox 360 | Wrestling | - |
| FireBlade (Apr 29, 2002 prototype) | 29 April 2002 18:25:20 | PlayStation 2 | Flight Combat | - |
| FireTeam (Oct 10, 1998 prototype) | 10 October 1998 | PC | Action, Strategy | - |
| Firearm (Dec 17, 1993 prototype) | 17 December 1993 | SNES | Action | ✓ |
| Fireball (prototype) | | Atari 2600 | Action | - |
| Firebugs (Aug 5, 2002 prototype) | 5 August 2002 15:56:16 | PlayStation | Racing | - |
| Firebugs (Jun 13, 2002 prototype) | 13 June 2002 14:25:44 | PlayStation | Racing | - |
| Fired Up (Jun 24, 2005 prototype) | 24 June 2005 11:24:29 | PlayStation Portable | Vehicular combat | - |
| Firestriker (Prototype) | | SNES | Role playing | - |
| Fireteam Rogue (Jan 16, 1995 prototype) | 16 January 1995 | SNES | Action-adventure | ✓ |
| Fireteam Rogue (Prototype A) | | SNES | Action-adventure | ✓ |
| Fishing Master World Tour (Nov 14, 2008 prototype) | 14 November 2008 | Nintendo Wii | Fishing | - |
| Fist Firehead (Dec 1, 2003 prototype) | 1 December 2003 | Xbox | Platformer | ✓ |
| Flash Point (Prototype) | | Sega Mega Drive | Puzzle | ✓ |
| Flashback (Dec 21, 1994 prototype) | 21 December 1994 | Philips CD-i | Cinematic platformer | - |
| Flashback (Jul 2, 2013 prototype) | 2 July 2013 | Xbox 360 | Platformer | - |
| Flashback (Jun 4, 2013 prototype) | 4 June 2013 | Xbox 360 | Platformer | - |
| Flashback (Sep 18, 1992 prototype) | 18 September 1992 | Sega Mega Drive | Action | - |
| Flashback: The Quest for Identity (Jul 4, 1995 prototype) | 4 July 1995 | Philips CD-i | Action | - |
| FlatOut (Feb 28, 2005 prototype) | 28 February 2005 13:32:29 | Xbox | Racing | - |
| FlatOut (Mar 23, 2005 prototype) | 23 March 2005 13:39:38 | PlayStation 2 | Racing | - |
| FlatOut (Oct 17, 2004 prototype) | 17 October 2004 16:35:42 | Xbox | Racing | - |
| FlatOut 2 (Apr 4, 2006 prototype) | 4 April 2006 | Xbox | Racing | - |