Back 4 Blood - Extra Credit Achievement
/ razorsharpgamig
In this video guide I will show you how to find the secret in "Remnants". This can be found on Act 3, level called Making The Grade.
The golden skull won't be until you are in a gym and have to defend for a bit. Once you climb out the window of the gym and get on the roof you will need to follow around the the only path you can go. Keep sticking to the right hand side of the path you will eventually find a tent with the golden skull inside.