Play Greendog emulator game online in the highest quality available. Greendog is a Sega Game Gear game that you can enjoy on Play Emulator. This Game Gear game is the US English version that works in all modern web browsers without downloading. Greendog is part of the Platform Games you can play here. PlayEmulator has many online retro games available including related games like Warriors Of Might And Magic, Army Men: Sarge's Heroes 2, and Galidor: Defenders of the Outer Dimension.