Contra , Teenage Mutant Ninja Turtles , Double Dragon , Snow Bros , and Adventure Island .
Legally, these collections exist in a murky area. has a long history of protecting its IP. Downloading or purchasing these ROM sets is technically considered copyright infringement unless you own the original physical cartridges, as the games are still protected by decades-long copyright laws. Is it Worth the Download? 620 In-1 Nes Rom Download
Nintendo and other publishers still hold the intellectual property rights for many of these titles. Sites hosting these downloads have frequently been targeted by legal action. Contra , Teenage Mutant Ninja Turtles , Double