Years ago I thought about trying to start some non-profit to help companies donate their unused/expired game assets and write them off as a donation so they'd h

Years ago I thought about trying to start some non-profit to help companies donate their unused/expired game assets and write them off as a donation so they'd have a financial incentive to give them away. No idea how well it would work. I wouldn't expect main characters. But landscapes, trees, buildings, props, furniture, animals, some NPCs, skyboxes, vehicles, etc... I also have no idea what value they could claim, if any.