You are downloading the Steam Castle XAP file v188.8.131.52 for Windows Phone. Steam Castle is a free and fun Strategy game: Steam Castle is the last fortress of hope for Humanity. After fighting a cruel and losing war against the Mechanitrons, the army of Steam Disciples ... You can now download the offline XAP file to install & try it.
Download Locations for Steam Castle 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Steam Castle XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.