 | Neo-Geo Cup '98 - The Road to the Victory | 1998 | SNK | neocup98 | Sports / Soccer | 9.15 |
| | New York New York (Maygay) (EPOCH) (3.6, set 1) | 1998 | Maygay | ep_nyny | | 0.00 |
| | New York New York (Maygay) (EPOCH) (3.6, set 2) (clone of: ep_nyny) | 1998 | Maygay | ep_nynya | | 0.00 |
| | New York New York (Maygay) (EPOCH) (3.9, set 7) (clone of: ep_nyny) | 1998 | Maygay | ep_nynyf | | 0.00 |
| | New York New York (Maygay) (EPOCH) (3.A, set 5) (clone of: ep_nyny) | 1998 | Maygay | ep_nynyd | | 0.00 |
| | New York New York (Maygay) (EPOCH) (3.A, set 6) (clone of: ep_nyny) | 1998 | Maygay | ep_nynye | | 0.00 |
| | New York New York (Maygay) (EPOCH) (4.6, set 3) (clone of: ep_nyny) | 1998 | Maygay | ep_nynyb | | 0.00 |
| | New York New York (Maygay) (EPOCH) (4.6, set 4) (clone of: ep_nyny) | 1998 | Maygay | ep_nynyc | | 0.00 |
 | NFL Blitz '99 | 1998 | Midway Games | blitz99 | Sports / Football Amer. | 8.89 |
| | Operation Tiger | 1998 | Taito | optiger | | 7.50 |
| | Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 1) (clone of: olds) | 1998 | IGS | olds100 | Unplayable | 0.00 |
| | Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 2) (clone of: olds) | 1998 | IGS | olds100a | Unplayable | 0.00 |
| | Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 101, Korean Board) | 1998 | IGS | olds | Unplayable | 4.86 |
 | Othello Shiyouyo (J 980423 V1.002) | 1998 | Success | othellos | Tabletop / Othello | 0.00 |
 | Pachinko Gindama Shoubu (Japan) | 1998 | Nakanihon / Dynax | pkgnsh | Pinball / Pachinko *Mature* | 4.00 |
 | Pachinko Gindama Shoubu DX (Japan) | 1998 | Nakanihon / Dynax | pkgnshdx | Pinball / Pachinko *Mature* | 9.50 |
 | Pachinko Sexy Reaction (Japan) | 1998 | Sammy | sxyreact | Pinball / Pachinko *Mature* | 8.25 |
| | Panic Park (PNP2 Ver. A) | 1998 | Namco | panicprk | | 8.50 |
| | Party Party (Global) (EPOCH) (1.1) | 1998 | Global | ep_party | | 0.00 |
| | Pasha Pasha 2 | 1998 | Dong Sung | pasha2 | | 5.75 |
