High Quality Content by WIKIPEDIA articles! Giana Sisters: Twisted Dreams (formerly known as Project Giana) is a platform game developed by Black Forest Games for Windows. It is the successor to the 1987 Commodore 64 title Great Giana Sisters and sequel to the 2009 re-imagining Giana Sisters DS. The game was funded through fan donations on the Kickstarter website, reaching its goal of $150,000.