In this talk I want to show how one can use MonoGame together with Farseer Physics to write games that can run on all kinds of devices. MonoGame is a game library that runs under .Net and is compatible with Windows, Mac, Linux, WinRT, iOS, Android, Windows Phone and more. Farseer Physics is a library for fast 2D physics simulation. Together these two allows us to easily create physics-based games that run everywhere. In the talk I will go through the code for a simple mobile game. I will show how to setup MonoGame with Farseer Physics, go through the core concepts of MonoGame and Farseer and demonstrate how the game plays on various devices.