Talk:Research Base (2013)/@comment-184.20.127.111-20130612221703/@comment-173.31.113.209-20150322161738

The 4th gear you have to stand on the fourth floor with the elevator below you hit the button to raise it up and jump in it as it rises the. Look for the opening to use your axe to jump onto the climbing wall and shimmy your way around to the service window.