I do recall getting a cassette with a ton of games at the newspaper kiosk, and realizing only decades later those were all pirated titles, and wondering how that had happened.
This article finally made it click!
This article finally made it click!
And, arguably, Giana wasn't a cheap rip off. It was clearly inspired by it, and a better game on a better platform.
But Nintendo was just as litigious back then, so the game didn't last long.
Later on they were a good source for those pirated multi-game carts for consoles.