| | Titanic (Coin dropper) | 1998 | Sega | titanic | | 0.00 |
 | Tokimeki Mahjong Paradise - Doki Doki Hen (clone of: tmmjprd) | 1998 | Media / Sonnet | tmpdoki | | 0.00 |
| | Touchmaster 4000 (v6.01 Standard) (clone of: tm4k) | 1998 | Midway Games Inc. | tm4kb | | 0.00 |
| | Touchmaster 4000 (v6.02 California) (clone of: tm4k) | 1998 | Midway Games Inc. | tm4kca | | 0.00 |
| | Touchmaster 4000 (v6.02 Standard) (clone of: tm4k) | 1998 | Midway Games Inc. | tm4ka | | 0.00 |
| | Touchmaster 4000 (v6.03 Standard) | 1998 | Midway Games Inc. | tm4k | | 6.00 |
| | Touchmaster 5000 (v7.01 Standard) (clone of: tm5k) | 1998 | Midway Games Inc. | tm5ka | | 0.00 |
| | Touchmaster 5000 (v7.10 California) (clone of: tm5k) | 1998 | Midway Games Inc. | tm5kca | | 0.00 |
| | Touchmaster 5000 (v7.10 Standard) | 1998 | Midway Games Inc. | tm5k | | 0.00 |
 | Touryuu Densetsu Elan-Doree / Elan Doree - Legend of Dragoon (JUET 980922 V1.006) | 1998 | Sai-Mate | elandore | Unplayable | 0.00 |
| | Triple Play (Ver. 1.10) | 1998 | Cadillac Jack | cj3play | | 1.00 |
| | Twilight Zone (9.2) | 1998 | Bally | tz_92 | | 0.00 |
| | Twilight Zone (9.4CH) (clone of: tz_92) | 1998 | Bally | tz_94ch | | 0.00 |
| | Twilight Zone (9.4H) (clone of: tz_92) | 1998 | Bally | tz_94h | | 0.00 |
 | Vapor TRX | 1998 | Atari Games | vaportrx | Driving / Race (chase view) | 9.32 |
| Vapor TRX (prototype) (clone of: vaportrx) | 1998 | Atari Games | vaportrxp | | 0.00 |
| | Video Carnival 1999 / Super Royal Card (Version 0.11) | 1998 | Electronic Projects | vcarn | | 0.00 |
| | Viper Night Drivin' | 1998 | Sega | viprsega | | 0.00 |
| | Virtua Striker 2 '98 (Step 1.5) (clone of: vs298) | 1998 | Sega | vs29815 | Unplayable | 0.00 |
| | Virtua Striker 2 '98 (Step 2.0) | 1998 | Sega | vs298 | Unplayable | 7.50 |
