Nuclear Winter

Nuclear Winter is a single player mission for Half-Life Opposing Force. It comprises 29 new maps plus a ton of new scripted scenes, models, artwork, character voices, sound effects and music.

In the early 21st century the U.S. fight several anti-terrorist campaigns in the Middle East. Bickering in the world community over the morality of these campaigns eventually leads to the withdrawal of China and Russia from the U.N. Even NATO is divided and it soon becomes obvious that America's onl...