Player character gets stuck into rocks or between them.
In my instance I got stuck between two rocks when I tried to climb a hill in Scuba.
Changing weapons etc. worked, but movement was impossible. The two rocks I got stuck between started to shake continually. Character didn't shake.
Screenshot: https://docs.google.com/file/d/0B4wmi9kjsXleQWFGZTJiUkpTVE0/edit?usp=sharing