Ian Hughes

climb up the ladder and immediately crouch and move around the platform, to get down just crouch and falloff onto the concrete wall and then off there keep crouching and you wont get hurt, no need hold s just crouch if you really do want to come back down the ladder then position so your facing slightly left and then keep hold of s, if you get stuck you can turn back to the ladder and get back on it

PlaysTV ... enough said :)

I had the direction bug, basically the mouse stopped moving the player around and he could only walk backwards and forwards also stuck in a leaning back animation. For the punching simply open inventory and place something in your hands and remove it again and its fixed