This is in version 0.15-1209-ge17c10a_mod. Using OpenGL.
Author: matthiaskrgr
Date: 2014-07-05 20h57
To get out there, press ctrl+alt+e (opens leveleditor), use arrow keys to move
the position a bit, then hit escape (menu appears), and select "Return to Game"
(4th option from top). Then you should be able to walk around normally.
Author: matthiaskrgr
Date: 2014-07-05 21h01
Anyway, I moved the the obstacle a bit in
7690f451ea3bc84f4f516e7e4cb660b525a66acc. Closing as fixed. Thanks for the report.