Metal Slug 3 – Cheats & Tips

Here are some cheats and tips for the game Metal Slug 3.

Crab Robot Boss points:
There is more than one Boss on the first level. When playing
against the Crab Robot, get him to start smoking, then keep
repeatedly going to the right. When there is less than 30 seconds
left on the timer, quickly kill the Boss. He will be defeated when
you stop. Quickly press Start, then keep pressing A, B, C, D to
get over 500,000 points.