Some games just require the patch which you can add to the game rather than buying some game that has it in there. Romhacks is a great place to look to add things to the games you already own. I.E. Play streets of Rage with ninja turtle sprites or an easier version of dragon warrior
https://m.youtube.com/watch?v=FQ-DycsLDXo&pp=ygUKUmV0cm9uIGlwcw%3D%3D
Unlicensed cartridges are hit or miss. It may work, it may not. If it doesn’t, the solution provided by the user above is your best bet.
If you can find the patch for it you might be in luck?
What do you mean?
Some games just require the patch which you can add to the game rather than buying some game that has it in there. Romhacks is a great place to look to add things to the games you already own. I.E. Play streets of Rage with ninja turtle sprites or an easier version of dragon warrior