Commando gets cloned, which means that you have to march up the scrolling screen, dodging bullets and blasting the enemy as the terrain becomes increasingly difficult.
With five levels of aliens to tackle, there's a lot to do in this budget answer to Who Dares Wins II, and life is made more difficult by the absence of the grenades that give you the extra firepower in the full-price game.
The graphics are a little basic, but if you're not a wild fan of the original, but fancy some lively, bloody action, this is well worth a look.