A few days ago I saw a thing got added to my steam inventory. It was a giftable copy of Spacebase DF-9. I went to inv history and it just says recieved a gift I don't know if someone sent it to me (I didn't see no message that someone gifted me a game as it usually happens) or why did I get it and I'm just plain curious. Afaik the game is abandoned by the devs. Any idea why it appeared in my inventory?