I will copy and paste my answer to a similar question that was here
I was able to get my Intel Sandy Bridge working.
First you need to have mesa-utils installed
you need need the s3tc library installed, it allows the texture
compression needed by mesa
search for and install
in the Software Center.
If you card can support it, the game will launch. There are several
quality selections in the launch window that comes up so you can try
low if medium doesn't work. Medium works for me, I haven't tried High
as Medium is very nice.
I can tell you that apport seems to think that your gpu hangs so you
may get the "System error encountered" box popping up but I had no
hangs except when apport was gathering information and after I removed
apport, apport-gtk, apport-symptoms
I have been playing with no problems for the last 3-4 days. So if you
can get it working you may have to uninstall those progrmas or disable
apport to play without interruptions.
If you tell the launch window for Amnesia to detect your card it will
tell you it's unsupported but as I said it is working fine on my
If your video card will support Amnesia this fix should work.