I usualy like Castlevania games so when I heard of their was one on Gameboy I bought right away.  That was ... stupid.  But I'll start with it's good qualities.  It doesn't smell.  That's something, right?  Now the bad.  You walk REALLY REALLY slow.  You attack REALLY REALLY slow.  Everything else goes either as fast or faster than you.  When you jump accross platforms unless you jump at the very edge of you won't make it.  The music is just 6 seconds of sound repeated over and over and over and over...  Oh ya, and the graphics look like ....