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Valve quietly releases Source 2 engine, Source 2 version of Dota 2, and new Hammer map editor - ExtremeTech
![Hammer++ - Mapping - Software - Source warehouse (HL2) - Hammer++ is a free, extensive modification of Valve's Hammer editor for the Source engine... Hammer++ - Mapping - Software - Source warehouse (HL2) - Hammer++ is a free, extensive modification of Valve's Hammer editor for the Source engine...](https://ficool2.github.io/HammerPlusPlus-Website/site_images/features_tool_sprinkle.gif)
Hammer++ - Mapping - Software - Source warehouse (HL2) - Hammer++ is a free, extensive modification of Valve's Hammer editor for the Source engine...
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