In 'Code Conundrum: The Entities of Null', you are Alex Morgan, a brilliant yet disgraced software engineer pulled into a conspiracy that threatens the future of coding languages and artificial intelligence. As you navigate the virtual landscapes of various programming languages, you uncover dark secrets behind the Safety Profiles created for C++. Solve complex puzzles involving memory management, lifetime safety, and aliasing in an intricate narrative that challenges both your intellect and moral compass. Every decision you make impacts the stability of the coding world and the fates of the characters involved.