There are plenty of reasons you might find yourself in a big unfamiliar codebase. You might have just started a new position. You might be doing technical due diligence on a possible acquisition or contract with an external company. You might be evaluating a third party framework or engine. Regardless of how you got there, learning to navigate unfamiliar code effectively is a useful skill that is seldom taught or discussed. Having evaluated and worked in many (sometimes wildly differ…