| Knights of Valour Super Heroes / Sangoku Senki Super Heroes (ver. 103, CN) (clone of: kovsh) | 1999 | IGS | kovsh103 | | 0.00 |
| Knights of Valour Super Heroes / Sangoku Senki Super Heroes (ver. 104, CN) | 1999 | IGS | kovsh | Fighter / 2.5D | 6.59 |
| Knights of Valour: Quan Huang San Guo Special / Sangoku Senki: Quan Huang San Guo Special (ver. 303CN) (clone of: kovsh) | 1999 | bootleg | kovqhsgs | | 0.00 |
| Knights of Valour: SanGuo QunYingZhuan / Sangoku Senki: SanGuo QunYingZhuan (bootleg, set 1) (clone of: kovplus) | 1999 | bootleg | kovsgqyz | | 0.00 |
| Knights of Valour: SanGuo QunYingZhuan / Sangoku Senki: SanGuo QunYingZhuan (bootleg, set 2) (clone of: kovplus) | 1999 | bootleg | kovsgqyza | | 0.00 |
| Knights of Valour: SanGuo QunYingZhuan / Sangoku Senki: SanGuo QunYingZhuan (bootleg, set 3) (clone of: kovplus) | 1999 | bootleg | kovsgqyzb | | 0.00 |
| Knuckle Bash 2 (bootleg) | 1999 | bootleg | kbash2 | | 0.00 |
| Konami Viper BIOS | 1999 | Konami | kviper | | 0.00 |
| Koro Koro Quest (Japan) | 1999 | Takumi | korokoro | | 0.00 |
| Land Breaker (World) / Miss Tang Ja Ru Gi (Korea) (pcb ver 3.02) | 1999 | Eolith | landbrk | Puzzle / Outline *Mature* | 7.50 |
| Land Breaker (World) / Miss Tang Ja Ru Gi (Korea) (pcb ver 3.03) (AT89c52 protected) (clone of: landbrk) | 1999 | Eolith | landbrka | Puzzle / Outline *Mature* | 0.00 |
| Landing High Japan | 1999 | Taito | landhigh | | 2.00 |
| Live Quiz Show | 1999 | Andamiro | livequiz | | 0.00 |
| Logic Pro Adventure (Japan) | 1999 | Amuse World | lpadv | | 8.00 |
| London Underground (Maygay) (EPOCH) (2.4, set 1) | 1999 | Maygay | ep_lug | | 0.00 |
| London Underground (Maygay) (EPOCH) (2.9, set 2) (clone of: ep_lug) | 1999 | Maygay | ep_luga | | 0.00 |
| Lup Lup Puzzle / Zhuan Zhuan Puzzle (version 2.9 / 990108) (clone of: suplup) | 1999 | Omega System | luplup29 | | 0.00 |
| Lup Lup Puzzle / Zhuan Zhuan Puzzle (version 3.0 / 990128) (clone of: suplup) | 1999 | Omega System | luplup | | 0.00 |
| Magic Colors (ver. 1.7a) | 1999 | | mcolors | | 0.00 |
| Mahjong Cafe Break | 1999 | Nakanihon / Dynax | cafebrk | | 0.00 |