In 'Entangled Realities', players take on the role of a brilliant yet underappreciated physicist who stumbles upon the groundbreaking theories of Johnathan Oppenheim. As the protagonist, you must navigate a labyrinth of ethical dilemmas, quantum anomalies, and galactic conspiracies. The game is set within a sprawling research facility and beyond, leading to different dimensions affected by chaotic interactions between quantum physics and gravity. Each choice you make influences not only the outcomes of scientific experiments but also the very fabric of reality itself, revealing hidden truths about dark matter and dark energy. Can you harness the power of Post-Quantum Gravity while racing against factions that seek to exploit its potential?