Alrighty, how about $180 shipped? I found a list of 172 games and am pretty sure it's the right list. Not sure what the missing game is, but it's probably a dupe. By the way, they're all horizontal games. I hope this helps anyone considering it.
Thanks!
1 Knights of Valour / Sangoku Senki (ver. 117)
2 Knights of Valour / Sangoku Senki (ver. 115)
3 Knights of Valour Plus / Sangoku Senki Plus (alt ver. 119)
4 Knights of Valour Plus / Sangoku Senki Plus ( ver. 119)
5 Oriental Legend / Xi Yo Gi Shi Re Zuang (ver. 126)
6 Oriental Legend / Xi Yo Gi Shi Re Zuang (ver. 112)
7 Virtua Bowling (Japan, V100JCM)
8 Photo Y2K
9 Zhong Guo Long II (ver. 100C, China)
10 1942 (set 1)
11 1942 (set 2)
12 1943: The Battle of Midway (US)
13 1944: The Loop Master (US 000620)
14 2020 Super Baseball (set 1)
15 3 Count Bout / Fire Suplex
16 Three Wonders (World 910520)
17 '88 Games
18 After Burner II
19 Air Buster: Trouble Specialty Raid Unit (World)
20 Alpha Mission II / ASO II - Last Guardian
21 Art of Fighting 3 - The Path of the Warrior / Art of Fighting - Ryuuko no Ken Gaiden
22 Arabian Magic (Ver 1.0O 1992/07/06)
23 Arch Rivals (rev 4.0)
24 Asterix (ver EAD)
25 Aurail (set 3, US, unprotected)
26 Avengers (US set 1)
27 Alien vs. Predator (Euro 940520)
28 Avenging Spirit
29 Bomber Man World / New Dyna Blaster - Global Quest
30 Big Striker (bootleg)
31 Blandia
32 Black Tiger
33 Blood Bros. (set 1)
34 Blade Master (World)
35 Battle Toads
36 Bubble Bobble II (Ver 2.5O 1994/10/05)
37 Burning Fight (set 1)
38 Cabal (US set 1)
39 Captain America and The Avengers (Asia Rev 1.9)
40 Captain Commando (World 911014)
41 Dark Seal (World revision 3)
42 Dragonball Z 2 - Super Battle
43 Dragon Ball Z V.R.V.S.
44 Double Dragon II - The Revenge (World)
45 Double Dragon 3 - The Rosetta Stone (US)
46 Dungeons & Dragons: Shadow over Mystara (Euro 960619)
47 Cadillacs and Dinosaurs (World 930201)
48 Cadillacs and Dinosaurs (US 930201)
49 Euro Champ '92 (World)
50 Fantasia II (Explicit)
51 Fatal Fury 3 - Road to the Final Victory / Garou Densetsu 3 - haruka-naru tatakai
52 Football Frenzy
53 Final Fight (World)
54 Football Champ (World)
55 Forgotten Worlds (US)
56 Golden Axe: The Revenge of Death Adder (World)
57 Gals Panic 4 (Japan)
58 Gals Panic (set 1)
59 Gals Panic S2 (Japan)
60 Garou - Mark of the Wolves (set 1)
61 Garyo Retsuden (Japan)
62 Gang Busters
63 Ghouls'n Ghosts (World)
64 Hook (World)
65 Hat Trick Hero (Japan)
66 King of Fighters 10th Anniversary Extra Plus, The (The King of Fighters 2002 bootleg)
67 King of Fighters 2003, The (bootleg, set 1)
68 King of Fighters 2004 Plus / Hero, The (The King of Fighters 2003 bootleg)
69 King of Fighters 10th Anniversary 2005 Unique, The (The King of Fighters 2002 bootleg)
70 Knights of the Round (World 911127)
71 King of Fighters 2000, The
72 King of Fighters 2001, The (set 1)
73 King of Fighters 2002, The
74 King of Fighters 2002 Magic Plus, The (bootleg)
75 King of Fighters 2002 Magic Plus II, The (bootleg)
76 King of Fighters '97, The (set 1)
77 King of Fighters '98 - The Slugfest / King of Fighters '98 - dream match never ends, The
78 King of Fighters '99 - Millennium Battle, The (set 1)
79 Last Blade 2 / Bakumatsu Roman - Dai Ni Maku Gekka no Kenshi, The
80 Lost Worlds (Japan)
81 Mercs (World 900302)
82 Miss World '96 (Nude)
83 Metal Slug 4 Plus (bootleg)
84 Metal Slug 5 Plus (bootleg)
85 Metal Slug - Super Vehicle-001
86 Metal Slug 2 - Super Vehicle-001/II
87 Metal Slug 3
88 Metal Slug 4
89 Metal Slug 5
90 Metal Slug 6 (Metal Slug 3 bootleg)
91 Metal Slug X - Super Vehicle-001
92 NAM-1975
93 Ninja Combat (set 1)
94 Ninja Commando
95 Neo-Geo Cup '98 - The Road to the Victory
96 Ninja Clowns (08/27/91)
97 Ninja Kids, The (World)
98 Ninja Master's - haoh-ninpo-cho
99 P-47 - The Phantom Fighter (World)
100 Pairs (V1.2, 09/30/94)
101 Palamedes (Japan)
102 Pang! 3 (Euro 950511)
103 Puzzle Bobble 4 (Ver 2.04O 1997/12/19)
104 Pengo (set 1 rev c)
105 Powered Gear: Strategic Variant Armor Equipment (Japan 941024)
106 Pleasure Goal / Futsal - 5 on 5 Mini Soccer
107 Phantasm (Japan)
108 Pirates
109 P.O.W. - Prisoners of War (US)
110 Datsugoku - Prisoners of War (Japan)
111 Primella
112 Power Spikes II
113 Psycho Soldier (US)
114 PuckMan (Japan set 1, Probably Bootleg)
115 PuLiRuLa (World)
116 Punisher, The (World 930422)
117 Punk Shot (US 2 Players)
118 Taito Power Goal (Ver 2.5O 1994/11/03)
119 Power Instinct 2 (USA)
120 Raiden
121 Rally X
122 Rambo III (Europe set 1)
123 Rambo III (US)
124 Robocop 2 (Euro/Asia v0.10)
125 R-Type (Japan)
126 R-Type II
127 Samurai Shodown II / Shin Samurai Spirits - Haohmaru jigokuhen
128 Samurai Shodown IV - Amakusa's Revenge / Samurai Spirits - Amakusa Kourin
129 Sengoku / Sengoku Denshou (set 1)
130 Sengoku 2 / Sengoku Denshou 2
131 Pretty Soldier Sailor Moon (95/03/22B)
132 Street Fighter II' - Champion Edition (World 920313)
133 Street Fighter Alpha 3 (US 980904)
134 Street Fighter Zero 3 (Japan 980904)
135 Shadowland
136 Shadow Force (US Version 2)
137 Shadow Dancer (set 3, US)
138 Shinobi (set 5, System 16A, unprotected)
139 Silent Dragon (World)
140 Silk Worm (set 1)
141 Simpsons, The (4 Players)
142 Slap Shot (Japan)
143 Sly Spy (US revision 3)
144 Snow Bros. 2 - With New Elves / Otenki Paradise
145 Snow Bros. - Nick & Tom (set 1)
146 Aero Fighters 3 / Sonic Wings 3
147 Super Pang (World 900914)
148 Super Puzzle Fighter II Turbo (US 960620)
149 Super Street Fighter II: The New Challengers (World 930911)
150 Super Street Fighter II Turbo (World 940223)
151 Ultimate 11 - The SNK Football Championship / Tokuten Ou - Honoo no Libero, The
152 Sunset Riders (2 Players ver JBD)
153 Street Hoop / Street Slam / Dunk Dream
154 Super Tank
155 Tank Force (US)
156 Tetris (set 4, Japan, System 16A, FD1094 317-0093)
157 Thunder Fox (World)
158 Time Soldiers (US Rev 3)
159 Tumble Pop (World)
160 Neo Turf Masters / Big Tournament Golf
161 Undercover Cops (World)
162 Ultraman Club - Tatakae! Ultraman Kyoudai!!
163 U.N. Squadron (US)
164 Vampire Savior 2: The Lord of Vampire (Japan 970913)
165 World Heroes Perfect
166 Windjammers / Flying Power Disc
167 Warriors of Fate (World 921002)
168 WWF WrestleFest (US set 1)
169 X-Men: Children of the Atom (US 950105)
170 X-Men (2 Players ver JAA)
171 X-Men Vs. Street Fighter (Euro 960910)
172 Youma Ninpou Chou (Japan)