Half Life 1, 2, Opposing Force and Blue Shift

There are a few different Half-Life games. I think something like what I attached would look cool with Half-Life 1 just being the normal logo and Half-Life 2 having the bump with the two on it. I was thinking that it would look cool if Opposing Forces and Blue Shift also had the bump but instead of it being a number it was an O for Opposing Forces and a B for Blue Shift.