 | Klax (set 2) (clone of: klax) | 1989 | Atari Games | klax2 | Puzzle / Drop | 0.00 |
| Klax (set 3) (clone of: klax) | 1989 | Atari Games | klax3 | Puzzle / Drop | 0.00 |
| | KlonDike+ | 1999 | Eolith | klondkp | | 5.00 |
 | Knight Boy (clone of: kikikai) | 1986 | bootleg | knightb | | 0.00 |
 | Knightmare (prototype) | 1983 | Gottlieb | kngtmare | Misc. | 0.00 |
 | Knights of the Round (bootleg) (clone of: knights) | 1991 | bootleg | knightsb | | 0.00 |
| Knights of the Round (Japan 911127, B-Board 89625B-1) (clone of: knights) | 1991 | Capcom | knightsja | | 0.00 |
| Knights of the Round (Japan 911127, B-Board 91634B-2) (clone of: knights) | 1991 | Capcom | knightsj | Fighter / 2.5D | 0.00 |
| Knights of the Round (USA 911127) (clone of: knights) | 1991 | Capcom | knightsu | Fighter / 2.5D | 0.00 |
| Knights of the Round (World 911127) | 1991 | Capcom | knights | Fighter / 2.5D | 7.71 |
| | Knights of Valour - The Seven Spirits | 2004 | Sammy / IGS | kov7sprt | | 0.00 |
 | Knights of Valour / Sangoku Senki (ver. 100, Japanese Board) (clone of: kov) | 1999 | IGS | kov100 | | 0.00 |
| Knights of Valour / Sangoku Senki (ver. 115) (clone of: kov) | 1999 | IGS | kov115 | Fighter / 2.5D | 0.00 |
| Knights of Valour / Sangoku Senki (ver. 117) | 1999 | IGS | kov | Fighter / 2.5D | 5.75 |
| | Knights of Valour 2 / Sangoku Senki 2 (ver. 100, 100, 100HK) (clone of: kov2) | 2000 | IGS | kov2100 | | 0.00 |
| | Knights of Valour 2 / Sangoku Senki 2 (ver. 101, 101, 100HK) (clone of: kov2) | 2000 | IGS | kov2101 | | 0.00 |
| | Knights of Valour 2 / Sangoku Senki 2 (ver. 102, 101, 100HK) (clone of: kov2) | 2000 | IGS | kov2102 | | 0.00 |
| | Knights of Valour 2 / Sangoku Senki 2 (ver. 103, 101, 100HK) (clone of: kov2) | 2000 | IGS | kov2103 | | 0.00 |
| | Knights of Valour 2 / Sangoku Senki 2 (ver. 106, 102, 100KH) (clone of: kov2) | 2000 | IGS | kov2106 | | 0.00 |
| | Knights of Valour 2 / Sangoku Senki 2 (ver. 107, 102, 100HK) | 2000 | IGS | kov2 | | 7.45 |
