Play Konami Games online in your browser. Play Emulator has the largest collection of the highest quality Konami Games for various consoles such as GBA, SNES, NES, N64, SEGA, and more. Start playing by choosing a Konami Emulator game from the list below. All games are available without downloading only at PlayEmulator. We collected some of the best Konami Online Games such as Castlevania, Contra, and Yu-Gi-Oh! GX - Duel Academy.