The Core is a total conversion single-player mod for Half-Life. Survive the disaster as Maurice Andrews, a low level engineer stationed in Black Mesa during the events of the resonance cascade. Seemingly trapped, Andrews must fight his way to the surface to survive.
Whilst work is underway to finesse gameplay, audio and code - all of which are quite difficult to show via screenshots - we're also still diligently tuning areas already shown. Here's some progress on one of my later maps.