 | Jitsuryoku!! Pro Yakyuu (Japan) | 1989 | Jaleco | jitsupro | Sports / Baseball | 7.50 |
| | Jive Money (PR2096) (Mazooma) (Scorpion 4) | 1969 | Mazooma | sc4jive | | 0.00 |
| | Jive Money (PR2160) (Mazooma) (Scorpion 4) (set 1) (clone of: sc4jive) | 1969 | Mazooma | sc4jivea | | 0.00 |
| | Jive Money (PR2160) (Mazooma) (Scorpion 4) (set 2) (clone of: sc4jive) | 1969 | Mazooma | sc4jiveb | | 0.00 |
| | Jive Money (PR2160) (Mazooma) (Scorpion 4) (set 3) (clone of: sc4jive) | 1969 | Mazooma | sc4jivec | | 0.00 |
| | Jive Money (PR2160) (Mazooma) (Scorpion 4) (set 4) (clone of: sc4jive) | 1969 | Mazooma | sc4jived | | 0.00 |
| | Jockey Club | 1990 | Seta (Visco license) | jockeyc | | 5.31 |
| | Jockey Club II (newer hardware) | 1969 | Seta | jclub2 | | 5.33 |
| | Jockey Club II (older hardware) (clone of: jclub2) | 1969 | Seta | jclub2o | | 0.00 |
| | Jockey Grand Prix (set 1) | 2001 | Sun Amusement / BrezzaSoft | jockeygp | Misc. Betting | 7.93 |
| | Jockey Grand Prix (set 2) (clone of: jockeygp) | 2001 | Sun Amusement / BrezzaSoft | jockeygpa | | 0.00 |
 | Joe & Mac Returns (World, Version 1.0, 1994.05.19) (clone of: joemacr) | 1994 | Data East | joemacra | Unplayable | 10.00 |
| Joe & Mac Returns (World, Version 1.1, 1994.05.27) | 1994 | Data East | joemacr | Unplayable | 7.43 |
 | Joe Montana II: Sports Talk Football (Mega-Tech) | 1991 | Sega | mt_stf | Unplayable | 6.67 |
 | John Elway's Team Quarterback (set 1) | 1988 | Leland Corp. | teamqb | Sports / Football Amer. | 3.43 |
| John Elway's Team Quarterback (set 2) (clone of: teamqb) | 1988 | Leland Corp. | teamqb2 | Sports / Football Amer. | 0.00 |
| | Johnny Mnemonic (1.2B) Belgium (clone of: jm_12r) | 1995 | Williams | jm_12b | | 0.00 |
| | Johnny Mnemonic (1.2R) | 1995 | Williams | jm_12r | | 0.00 |
| | Johnny Nero Action Hero | 2004 | ICE/Play Mechanix | jnero | | 0.00 |
| | Joinem | 1983 | Global Corporation | joinem | Maze | 0.00 |
