There are so many games that aren't being sold anymore and aren't playable on modern software/hardware stack. I wish there were a law that if you don't release

There are so many games that aren't being sold anymore and aren't playable on modern software/hardware stack. I wish there were a law that if you don't release a patch for your software for 20 years to make it workable for newer platforms, you've to release it as open source from the perspective of cultural significance.