There are game theoretical proofs that show that you can use entanglement to enable better-than-classical performance on games that reward cooperation but disal

There are game theoretical proofs that show that you can use entanglement to enable better-than-classical performance on games that reward cooperation but disallow actual communication. https://en.m.wikipedia.org/wiki/Quantum_pseudo-telepathy https://en.m.wikipedia.org/wiki/Quantum_pseudo-telepathy