You can also download the demo and play two levels for yourself:
http://project-giana.com/download/

It's one of those games where I'd like to pledge but I'm still not willing to get a credit card just for Kickstarter's Amazon Payment model. Would be cool if it gets funded although with pretty much just 4 days left I doubt they'll get the money still needed...

http://www.kickstarter.com/projects/project-giana/project-giana