 Unreleased Half-Life games

The "Unreleased Half-Life games" refers to various projects, sequels, and spin-offs in the Half-Life series that were either canceled or never officially released by Valve Corporation. Some notable examples include: 1. **Half-Life 2: Episode Three** - Following the release of Half-Life 2: Episode One and Episode Two, fans expected a third episode to continue the story of Gordon Freeman.