It is worth a buy, same mario 2d action, and whos complaining?
the sounds are a lot like super mario world, the jumping has the same sound as in super mario world, the running is cooler now, the faster he runs he starts running in a ninja form and can do a 3 jump like in the 64 game.
The gameplay is the same, and once again who is complaining, mario is known as the god of 2d gaming, and for those new to video games, mario was originally a 2d character. its a simple game run, jump, land on enemy, and then reach the end of the level with powerups at the end.
Graphics are rather good, just look at the screenshots on those really.
overall it seems like a extensive game beyond the just play through.
it is definetly worth a buy.