Cube 2 : Sauerbraten ( German for `` sour roast '' , also known as Sauer ) is a cross-platform , Quake-like first-person shooter that runs on Microsoft Windows , Linux , FreeBSD and Mac OS X using OpenGL and SDL .
Sauerbraten ( also known as Cube 2 or Sauer , German for `` sour roast '' ) is a cross-platform , Quake-like , first-person shooter computer game that runs on Microsoft Windows , Linux , FreeBSD and Mac OS X using OpenGL and SDL .