Half Life 2: Dominion

Xen Sample Containment Laboratory - A heavily secured research facility with triple-layered force field barriers surrounding examination chambers. Scientists in specialized suits study captured Xen flora and fauna fragments through manipulator arms. Preservation tanks contain living specimens of headcrabs and bullsquid tissue in suspended animation. The facility's center features a negative pressure chamber where larger captured organisms undergo vivisection. Data terminals process findings into the Combine Overworld knowledge network while experimental treatments for Xen contamination undergo testing on condemned prisoners. The lab's atmosphere carries a subtle alien spore presence despite filtration systems.

The laboratory is a stark, metallic structure with glowing force fields and sterile white walls. Inside, the eerie glow of preservation tanks illuminates the darkened examination chambers, while the hum of machinery fills the air.