Here is my SNKG collection:
Left Column:
Gururin, Puzzle Bubble, Magical Drop 2, Puzzle de Pon!, Super Sidekicks 2, Pulstar, Aero Fighters 2, Metal Slug 2, Top Hunter
Center Column:
Quiz King Of Fighters, KOF 94, KOF 95, KOF 98, Samurai Showdown 4, Samurai Showdown 2, Voltage Fighter Gowcaizer, Aggressors of Dark Kombat, Last Blade 2, Ninja Master's
Right Column:
Kabuki Klash, Double Dragon, Fatal Fury 3, Art Of Fighting 3, World Heroes Perfect, World Heroes 2 Jet, RBFF, RBFF Special, RB2
I pretty much know the entire list of SNKG game that is available and I have been trying to collect them all.