if god of war chains of olympus takes place before god of war, why didn't santa monica make chains of olympus first?

Real

if better call saul takes place 5 years before breaking bad, why didnt gilligan make better call saul first?

If Star Trek Enterprise took place before the original Star Trek, why didn't they make Star Trek Enterprise first?

if gta liberty city takes place 3 years before gta 3, why didnt r* release gta liberty city first?

If metal gear solid 3 came many years before metal gear solid 1, why wasn’t 3 the first metal gear game made?

It’s to engage the audience and eventually surprise people with Big Boss’s origins