2D action side scrollers are pretty scarce now in the gaming world. But, Metal Slug 4 & 5 gives a good reminisce back to the old 2D style side scrollers back in the 8 bit and 16 bit days. If you enjoy 2D side scroller action games, then, you're going to enjoy Metal Slug 4 & 5. This is a very great price for two great 2D games that were on the Neo Geo which they cost about $300 a piece. And, you can get them both for only $40. As I said before, if you enjoy and you miss those 2D action side scrollers, then, Metal Slug 4 & 5 fits the bill.