J-League Fighting Soccer - The King of Ace Strikers (J) [!] 96 Ko
J-League Winning Goal (J) [!] 104 Ko Jack Ass (SMB1 Hack) 30 Ko Jack Nicklaus' Greatest 18 Holes of Major Championship Golf (E) [!] 67 Ko Jack Nicklaus' Greatest 18 Holes of Major Championship Golf (U) [!] 67 Ko Jackal (KC) 79 Ko Jackal (U) [!] 79 Ko Jackal (U) [T+Bra100%_BRGames] 79 Ko Jackal (U) [T+Fre2.0_ks151] 79 Ko Jackal (U) [t1] 79 Ko Jackal (U) [t2] 79 Ko Jackal (U) [t3] 79 Ko Jackal (U) [t4] 79 Ko Jackal (U) [t5] 79 Ko Jackie Chan (J) [!] 139 Ko Jackie Chan (J) [T+Chi] 138 Ko Jackie Chan (J) [T+Chi][a1] 139 Ko Jackie Chan (J) [T+Chi][a2] 139 Ko Jackie Chan (J) [T+Chi][a3] 139 Ko Jackie Chan (J) [T+Chi][a4] 139 Ko Jackie Chan (J) [T+Chi][a5] 139 Ko Jackie Chan (J) [T+Fre_KS151] 139 Ko Jackie Chan (J) [t1] 139 Ko Jackie Chan (J) [t2] 142 Ko Jackie Chan (J) [t3] 142 Ko Jackie Chan (J) [t4] 142 Ko Jackie Chan's Action Kung Fu (E) [!] 139 Ko Jackie Chan's Action Kung Fu (U) [!] 139 Ko Jackie Chan's Action Kung Fu (U) [T+Fre_ks151] 139 Ko Jaco Pastorius Demo by TFG (PD) 2 Ko Jail Bait (Pac-Man Hack) 12 Ko Jajamaru Gekimaden - Maboroshi no Kinmajou (J) 142 Ko Jajamaru Gekimaden - Maboroshi no Kinmajou (J) [hFFE] 246 Ko Jajamaru Gekimaden - Maboroshi no Kinmajou (J) [T+Eng0.1_Ethereal_Productions] 142 Ko Jajamaru Ninpou Chou (J) [!] 145 Ko Jajamaru Ninpou Chou (J) [a1] 140 Ko Jajamaru Ninpou Chou (J) [hM04] 145 Ko Jajamaru no Daibouken (J) [!] 39 Ko Jajamaru no Daibouken (J) [hM03] 39 Ko Jajamaru no Daibouken (J) [hM66] 39 Ko James Bond Jr (E) [!p] 168 Ko James Bond Jr (U) [!] 168 Ko Jangou (J) [!] 48 Ko Japanese vs Negro (R.B.I. Baseball Hack) 40 Ko Japanese vs Negro (R.B.I. Baseball Hack) [a1] 96 Ko Jarinko Chie - Bakudan Musume no Shiawase Sagashi (J) [!] 206 Ko Jarinko Chie - Bakudan Musume no Shiawase Sagashi (J) [hM04] 206 Ko Jaws (U) [!] 36 Ko Jaws (U) [f1] 36 Ko Jaws (U) [T+Fre_KS151] 36 Ko Jedi Mario Bros (SMB1 Hack) 31 Ko Jehovah's Witnesses, The (Mappy Hack) 15 Ko Jeopardy! (U) (PRG0) [!] 104 Ko Jeopardy! (U) (PRG1) [!] 105 Ko Jeopardy! 25th Anniversary Edition (U) [!] 107 Ko Jeopardy! Junior Edition (U) [!] 98 Ko Jesus - Kyoufu no Bio Monster (J) [!] 177 Ko Jesus - Kyoufu no Bio Monster (J) [p1] 177 Ko Jesus - Kyoufu no Bio Monster (J) [T+Eng_Niahak] 175 Ko Jet Fighter Z by DamageX (PD) 6 Ko Jetfire (Macross Hack) 15 Ko Jetsons, The - Cogswell's Caper! (E) [!] 192 Ko Jetsons, The - Cogswell's Caper! (J) 192 Ko Jetsons, The - Cogswell's Caper! (U) [!] 192 Ko Ji Du Shan En Chou Ji - Le Comte de Monte-Cristo (Ch) 148 Ko Ji Jia Zhan Shi (Ch) 359 Ko Ji Jia Zhan Shi (Ch) [a1] 359 Ko Ji Jia Zhan Shi (Ch) [a2] 359 Ko Ji Jia Zhan Shi (Ch) [a3] 359 Ko Ji Jia Zhan Shi (Ch) [a4] 359 Ko Ji Jia Zhan Shi (Ch) [a5] 359 Ko Ji Jia Zhan Shi (Ch) [a6] 359 Ko Ji Jia Zhan Shi (Ch) [T+Chi20061221_MS emumax] 358 Ko Ji Jia Zhan Shi by god of MM (Hack) 359 Ko Jia A Fung Yun (Ch) 183 Ko Jigoku Gokuraku Maru (J) 121 Ko Jigoku Gokuraku Maru (J) [t1] 121 Ko Jikuu Yuuden - Debias (J) 103 Ko Jikuu Yuuden - Debias (J) [t1] 103 Ko Jim Henson's Muppet Adventure - Chaos at the Carnival (U) [!] 59 Ko Jimmy Connor's Tennis (E) [!] 47 Ko Jimmy Connor's Tennis (U) [!] 47 Ko Jimmy Connor's Tennis (U) [p1][!] 47 Ko Jin Gwok Sei Chuen Saang (Ch) [U][!] 37 Ko Jin Yong Qun Xia Zhuan - Shu Jian Jiang Shan (NJ031) (Ch) 481 Ko Jing Ke Xin Zhuan (Ch) 125 Ko Jing Ke Xin Zhuan (Ch) [a1] 128 Ko JJ - Tobidase Daisakusen Part 2 (J) [!] 52 Ko Joe & Mac - Caveman Ninja (E) [!] 114 Ko Joe & Mac - Caveman Ninja (U) [!] 114 Ko Joe & Mac - Caveman Ninja (U) [p1][!] 114 Ko John Elway's Quarterback (U) [!] 34 Ko John's Quest Engine Demo6 (PD) 6 Ko Johnny the Homicidal Mario v1.0 (SMB1 Hack) 31 Ko Jongbou (J) 27 Ko Jongbou (J) [f1] 27 Ko Jordan Vs Bird - One On One (U) [!] 70 Ko Joshua (Wisdom Tree) (V5.0 CHR 6.0) 101 Ko Joshua (Wisdom Tree) (V6.0) [!] 101 Ko Journey to Silius (E) [!] 111 Ko Journey to Silius (U) [!] 111 Ko Journey to Silius (U) [T+Chi20061020_MS emumax] 111 Ko Journey to Silius (U) [T+Chi] 111 Ko Journey to Silius (U) [T+Por] 111 Ko Journey to Silius (U) [T+Spa1.0] 111 Ko Journey to Silius (U) [T+Spa_SARG] 111 Ko Journey to Silius Font Change by Googie (Hack) 112 Ko Journey to the West (Ch) 78 Ko Joust (J) 12 Ko Joust (U) [!] 19 Ko Joust More (Balloon Fight Hack) 15 Ko Jovial Race (Sachen) [!] 37 Ko Jovial Race (Sachen) [a1][!] 37 Ko Jovial Race (Sachen) [U][!] 37 Ko Joy Mech Fight (J) 233 Ko Joy Mech Fight (J) [T+Eng100%_AlanMidas] 231 Ko Joy Mech Fight (J) [T-Eng17Sept1997] 233 Ko Joypad Test Cartridge (U) 4 Ko Joystick Demo (PD) 2 Ko Jue Dai Ying Xiong (Ch) 244 Ko JuJu Densetsu (J) 157 Ko JuJu Densetsu (J) [T+Chi_MS emumax] 158 Ko Jumbo Ozaki no Hole in One Professional (J) 64 Ko Jumpin' Kid - Jack to Mame no Ki Monogatari (J) 101 Ko Jumpman Vs Donkey Kong (Donkey Kong Hack) 17 Ko Jumpy Demo by Rwin (PD) 944 o JUN Mario 1 (SMB1 Hack) 31 Ko Jungle Book, The (E) [!] 138 Ko Jungle Book, The (U) [!] 138 Ko Jungle Book, The (U) [T+Rus] 137 Ko Junk Demo by Tony Young (PD) 794 o Junk Demo by Tony Young (PD) [a1] 801 o Junk Demo by Tony Young (PD) [a2] 804 o Junk Mario Pro (SMB1 Hack) 31 Ko Junk Mario V1.0 (SMB1 Hack) 31 Ko Junk Mario V1.1 (SMB1 Hack) 31 Ko Jurassic Boy 2 (Sachen) [!] 114 Ko Jurassic Boy 2 (Sachen) [U][!] 114 Ko Jurassic Park (E) [!] 146 Ko Jurassic Park (U) [!] 147 Ko Jurassic Park (U) [T+Ita1.0_Psyco] 147 Ko Jurassic Park (U) [T+Rus_CaH4e3] 147 Ko Jurassic Park (U) [T+Spa100_PaladinKnights] 147 Ko Jurassic Park (U) [T+Spa99%_spctrmxd] 147 Ko Jurassic Park (U) [t1] 147 Ko Just Breed (J) [!] 431 Ko Just Breed (J) [T+Eng0.01Beta_Obsolete] 431 Ko Just Breed (J) [T+Eng1.00_Stealth] 432 Ko Just Breed (J) [T+Spa100_butz] 431 Ko Just Breed (J) [T+Spa2.0] 431 Ko Justin and Friends V1.1 by TheGreatWhiteDope (SMB1 Hack) 31 Ko Justin's Adventure Island (Hack) 39 Ko Juuouki (J) [!] 108 Ko Juuouki (J) [p1][!] 108 Ko Juuouki (J) [T+Bra90%_BRGames] 108 Ko Juuouki (J) [T+Eng1.00_akadewboy] 108 Ko Juuouki (J) [t1] 108 Ko Juuryoku Soukou Metal Storm (J) [!] 177 Ko Juvei Quest (J) [!] 325 Ko Juvei Quest (J) [a1] 325 Ko Juvei Quest (J) [hFFE] 325 Ko