Swelter is a story-driven mod, which takes place several years before the events of Half-Life 2, and tells about the internal contradictions within the Resistance forces that arose during the rebellion against the Combine in the post-Soviet city of Central Asia, surrounded by a hot steppe.

Swelter is a story-driven mod, which takes place several years before the events of Half-Life 2, and tells about the internal contradictions within the Resistance forces that arose during the rebellion against the Combine in the post-Soviet city of Central Asia, surrounded by a hot steppe.