City17 Episode 1

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January 2024

City17 Episode 1 is a mod for Half-Life 2: Episode One Half-Life 2: Episode One, which utilizes modified Source 2007 Source 2007 branch with new features.


  • Volumetric Lighting with smaller features included:
    • God Rays for sun effects against Geometry.
    • Light shafts generated by any light source when casted into a dark exterior or Interior.
    • Planned features to work without the need for DX10, much like other games require. Play without the worry of any needed hardware upgrades or software.
      Clarify: It is actual?
  • Dynamic Lighting, including scalable lighting in real-time, with proper occlusion, and real-time shadowing.
  • SSAO (Screen Space Ambient Occlusion) Creating softer shadows at 'real' and 'compile' time.
  • Improved AI, resulting in more realistic battles, and smarter Opponents.

All features capable of running on a Mid-Range PC and beyond.

System requirements

Windows Windows
Minimum Recommended
Operating system (OS) Windows Windows 7 or later
Processor (CPU) 2.6 Dual or Quad GHz processor
System memory (RAM) 1024MB
Hard disk drive (HDD/SSD) 10GB*
Video card (GPU) DirectX 9+ GPU - Geforce family 8-9 -200 and above

See also

External links