No, Fallout 1 is not abandonware.

Sadly, Dungeon Keeper 2 is not legally abandonware as the assest was transferred in the purchase of Bullfrog by EA.

Abandonware is software that is no longer sold or supported by the manufacturer. Usually this is game software but it can also be other types of software.

Abandonware refers to software that is no longer supported by its developer and is often distributed without permission. Technically, it may still be protected by copyright laws, but the lack of enforcement typically leads to it being considered a legal gray area. It's always best to consult legal advice if you have concerns about using abandonware.

A piece of software can be referred to as abandonware when it is no longer provided with product support and official updates from the owner or manufacturer of the software.