Inspired by "Rube Goldberg" contraptions, Knox's Room is a fun and challenging physics puzzle game that will keeps you occupied for hours. Try first 3 puzzle packs for free. But don't let the first few levels fool you. The first 45 levels are so challenging and may takes days to beat. Or, download and play custom levels made by Knox's Room community members for free. Think you have what it take to create a challenging level(s)? Why don't unleash your creativity and create your very own level using in-app level designer, and share it with the world? It's easy and fun! If you like Rube Goldberg, Rube Works, Contraption, Puzzle, Fantastic Contraption, or just simply getting tired of flappy bird, we thing you will like this game. Version 1.1.0.2 - Minor bug fixed. Version 1.1.0.1 - Added 15 more levels. - Added hint feature. Now you won't get stuck anymore... - Fixed minor bugs. - Performance improvement. - New refreshing UI. - Improved level designer user experience flow. - Improved touch input. Version 1.0.0.18 - Improve object rotation gesture. You can just use two fingers twist gesture to rotate the object. - Fixed bugs - Performance improvement - Blocked Ad Banners in some level. (where objects are occluded by the ad). -Packed with 30 pre-loaded levels -Custom level designer let you create your own puzzle and share with friends. - Download custom level created by other players - In-app purchase to remove ad banners. Fixed minor issue in custom level designer.