User blog comment:IamJakuhoRaikoben/Chapter 373: Life or Death?, Review./@comment-5840892-20140302110305/@comment-7418318-20140302143002

Maybe you should try playing Prey next :)

There you have some fun with portals too, but as a bonus you get messed up gravity too!

But don't fiddle with the gravity switches too often, or your character will throw up (not a joke).

I absolutely love both Portal parts and Prey.