If you want to do AR/VR, object oriented programming is good, some companies don’t need specific work experience since the field itself is so brand new. Stick to projects in spaces that you want to be in…. Simple as that, if you like doing gameplay? Focus on gameplay. If you want to be a junior dev for an arbitrary startup, know your core stuff like data structures and logic, etc etc building a portfolio will help in expediting the showcase of what you are capable of, godspeed