Near the beginning of the first stage, you will see a submarine floating in a pool of water. Hold Down to walk into this area and hop into the sub to go to a secret underwater part of the stage.

Metal Slug Tactics is a major departure from the run-and-gun chaos the series is usually known for, bringing the 2D side-scrolling shooter series to the realm of isometric tactical RPGs.

Metal Slug Tactics certainly isn't your average Metal Slug game, but there's still plenty of action to be found. Even if you're an experienced strategy gamer, MST's emphasis on movement gives it a ...