Metal Slug: 1st Mission game is a ROM you can play online within your browser. This Neo-Geo Pocket ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Metal Slug: 1st Mission NGP game online in English USA version on your desktop, tablet, and mobile. If you liked playing this emulator then you will also be interested in similar classic titles Metal Slug and Metal Gear. This free game belongs to the Shooting and Action category of online retro games.
