Play NEO-GEO Games Online in high quality. All the retro Neo Geo games for the retro gamer, there are many NEO-GEO games in the collection. Start playing favorite NEO-GEO emulator games now and use the menu on the right to browse game collections. Feel free to comment on and upvote the best NEO-GEO games you enjoyed playing! Begin by playing popular Neo Geo titles like Metal Slug, The King of Fighters ’98, The King of Fighters ’97 and Metal Slug 4.