The final installment in the Mario's Mansion series, MM3 is the least challenging and most enjoyable of the bunch. While it may appear to be canned, expect to see it remastered and completed in Fanguy's upcoming Mario's Mansion Perfect Collection. ...
An excellent collection which will compile the Mario's Mansion trilogy into one big game, complete with less difficulty and much, much more fun. The demo contains the first three levels of MM and their respective bosses.
Starlight sure has some impressive graphics. Although, it does run a little slow, perhaps the impressive graphics are to blame? Try it out if you have a fast computer.