Tested on Ubuntu 14.04. Should work for 12.10 and higher. This script is inspired by [this] (http://askubuntu.com/questions/519589/hide-the-unity-launcher-when-an ...
This tool provides simple menu items to turn on/off the enter play mode options. If you missed this experimental-yet-pretty-cool feature, you can learn more in the Unity documentation. Save the few ...
A more accessible way to enable low graphics mode on Unity 7 may be on the way. The desktop already supports a low graphics mode of sorts, which can be enabled via Compiz. But this is far a) not easy ...