Half-Life: Metamorphosis is an expansion pack styled mod for Valve Software's science fiction first-person shooter video game Half-Life, in the vein of Half-Life: Blue Shift and Half-Life: Opposing Force. Half-Life: Metamorphosis follows data analyst Holly Byrne at the time of the Resonance Cascade.
Cubicle walls are now a little thinner, and a botched texture application on one of the filing cabinets has been fixed. Also here are some less boring textures and a little more brushwork for flavour.
No true Valve game modder simply uses HD models.