Recent Steam update switched it to SDL2, so unless you have the very latest libSDL2 installed, you’ll get an error while trying to load Steam: Fatal error: Failed to load steamui.so The short test will quickly tell you the problem: LD_LIBRARY_PATH=$HOME/Steam/ubuntu12_32 ld $HOME/Steam/ubuntu12_32/steamui.so which will print a bunch of lines starting from: ld: warning: libSDL2-2.0.so.0, […]