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Not exactly the same, but in Japan (where obviously many of the great games of the 80s and 90s were authored) there's a mechanism to acquire a license from the government to publish abandonware. The government collects a royalty from the new distributor that it holds in case a valid copyright holder comes forward.

Little Samson, a late-era NES game that because of its rarity can sell for thousands, was developed by a now-defunct company and is getting a re-release next year using this process.

https://www.timeextension.com/news/2025/10/daunting-limited-...