 | Pig Out: Dine Like a Swine! (set 2) (clone of: pigout) | 1990 | Leland Corp. | pigouta | Platform / Run Jump | 0.00 |
 | Pigskin 621AD (rev 1.1K 8/01/90) | 1990 | Midway | pigskin | Sports / Football Rugby | 7.83 |
| Pigskin 621AD (rev 2.0 7/06/90) (clone of: pigskin) | 1990 | Midway | pigskina | | 0.00 |
 | Pipe Dream (Japan) (clone of: pipedrm) | 1990 | Video System Co. | pipedrmj | Puzzle | 0.00 |
| Pipe Dream (US) (clone of: pipedrm) | 1990 | Video System Co. | pipedrmu | | 0.00 |
| Pipe Dream (World) | 1990 | Video System Co. | pipedrm | Puzzle | 8.13 |
| | Pipeline | 1990 | Daehyun Electronics | pipeline | Unplayable | 5.00 |
 | Pistol Daimyo no Bouken (Japan) | 1990 | Namco | pistoldm | Shooter / Flying Horizontal | 7.00 |
| | Pit Boss Superstar (9221-10-00A) (clone of: pitbosss) | 1990 | Merit | pitbosssa | | 0.00 |
| | Pit Boss Superstar (9221-10-00B) | 1990 | Merit | pitbosss | | 5.00 |
 | Pit Fighter (bootleg) (clone of: pitfight) | 1990 | bootleg | pitfightb | | 0.00 |
| Pit Fighter (Japan, 2 players) (clone of: pitfight) | 1990 | Atari Games | pitfightj | | 0.00 |
| Pit Fighter (rev 3) (clone of: pitfight) | 1990 | Atari Games | pitfight3 | | 0.00 |
| Pit Fighter (rev 4) (clone of: pitfight) | 1990 | Atari Games | pitfight4 | | 0.00 |
| Pit Fighter (rev 5) (clone of: pitfight) | 1990 | Atari Games | pitfight5 | | 0.00 |
| Pit Fighter (rev 6) (clone of: pitfight) | 1990 | Atari Games | pitfight6 | | 0.00 |
| Pit Fighter (rev 7) (clone of: pitfight) | 1990 | Atari Games | pitfight7 | | 0.00 |
| Pit Fighter (rev 9) | 1990 | Atari Games | pitfight | Fighter / Versus | 4.00 |
| | Poker De Win (clone of: ampoker2) | 1990 | bootleg | pkrdewin | | 0.00 |
| | Poker Roulette (Version 8.22) | 1990 | Coinmaster | pokeroul | | 0.00 |
