| | Tobikose! Jumpman | 1999 | Namco | tjumpman | | 0.00 |
 | Tondemo Crisis (Japan) | 1999 | Tecmo | tondemo | Mini-Games | 6.04 |
| | Touchmaster 7000 (v8.00 Standard) (clone of: tm7k) | 1999 | Midway Games Inc. | tm7ka | | 0.00 |
| | Touchmaster 7000 (v8.04 Standard) | 1999 | Midway Games Inc. | tm7k | | 5.67 |
| | Touchmaster 7000 (v8.1X Evaluation) (clone of: tm7k) | 1999 | Midway Games Inc. | tm7keval | | 0.00 |
| | Toy Fighter | 1999 | Sega | toyfight | | 0.00 |
| | Trick or Treat (Project) (PROCONN) | 1999 | Project | pr_trktr | | 0.00 |
| | Trick or Treat (Protocol?) (Project) (PROCONN) | 1999 | Project | pr_trktp | | 0.00 |
| | Twinkle System | 1999 | Konami | gq863 | | 0.00 |
| | Type Zero BIOS | 1999 | Taito | taitotz | | 0.00 |
| | unknown BMC poker game | 1999 | BMC | bmcpokr | | 0.00 |
 | Vamf x1/2 (Europe) | 1999 | Danbi / F2 System | vamphalf | Fighter / Versus | 4.88 |
| Vamp x1/2 (Korea) (clone of: vamphalf) | 1999 | Danbi / F2 System | vamphalfk | | 0.00 |
| | Virtua Striker 2 '99 (clone of: vs2v991) | 1999 | Sega | vs299 | Unplayable | 0.00 |
| | Virtua Striker 2 '99 (Revision A) (clone of: vs2v991) | 1999 | Sega | vs299a | | 0.00 |
| | Virtua Striker 2 '99 (Revision B) (clone of: vs2v991) | 1999 | Sega | vs299b | | 0.00 |
| | Virtua Striker 2 '99.1 (Revision B) | 1999 | Sega | vs2v991 | Unplayable | 5.38 |
| | Virtua Striker 2 Ver. 2000 (JPN, USA, EXP, KOR, AUS) (Rev C) | 1999 | Sega | vs2_2k | | 5.15 |
| | Virtua Tennis (USA, EXP, KOR, AUS) / Power Smash (JPN) | 1999 | Sega | vtennis | | 8.40 |
| | Virtua Tennis / Power Smash (GDS-0011) | 1999 | Sega | vtennisg | | 0.00 |
