@gamingonlinux I think it's the game "Fish Fillets", available for free on Ubuntu Linux as well as on many other operating systems:
Otherwise, yesterday I've chosen to play "Heroes of the Might and Magic 2" instead, although its legality is a bit grayish (still, Google suggested it to me, so I think it is Okay):
Heroes of Might and Magic II - Play game online
Heroes of Might and Magic II (1996): A Timeless Gaming Classic with a Rich Fantasy World. You can now play HoMAM 2 for free in your browser!
Freebie Games (freebie.games)