Black Mesa is once again experimenting with the unknown, this time they've tapped into something much stranger than their previous endeavours.
Set during the events of the resonance cascade: Play as Alex Burfield - a New Mexico civilian witnessing the facility going to chaos. Geared up with the new upgradeable H.E.V suits, you've been sent to one of the ill-fated facility's sectors.
Your mission: Find out what is going on, what caused this dimensional breach and take back control