10 of the best handheld games ever

Super Mario Land (Gameboy)
Mario's first handheld outing (aside from Game & Watch machines) is a neat update on the NES original, boasting simple but fiendish platform gaming and unforgettable music. It added a couple of new features to the Mario series, namely the ability to collect hard to reach coins using fireballs and shoot 'em up-style levels where Mario piloted a plane or submarine.