Hey, good news!!
Phil Fish, co-creator of FEZ just announced on reddit there will be a Linux version.
Eventually there will be a DRM-free version via Humble Bundle. ^^-FEZ is coming out on steam PC on may 1 -mac and linux versions to eventually follow -we're working with sony on bringing FEZ to PSN and VITA -and we're also working with OUYA on port for that -iOs also highly probable