Wishful thinking, but I’d like to see someone buy the comprehensive legal rights to an old game (or any creative work, really) and then open source it, a la Ble

Wishful thinking, but I’d like to see someone buy the comprehensive legal rights to an old game (or any creative work, really) and then open source it, a la Blender (which was moribund proprietary software and now is flourishing as open source). Doom runs on every platform because it was open sourced, but the data and IP are obviously still tightly controlled (I guess Microsoft must own them now, due to the ZeniMax acquisition?). I daydream about what it will be like when the first video games’ copyrights and trademarks expire and they can be freely modified and built upon. Unfortunately, that day won’t come until after I’m dead, if ever.