As we all know, they missed that date, and since then, they’ve “submerged” with regards to their PR practices, and they have reverted to the classic “When it’s Done” release date. It’s been in development since late 2004, and it’s only ever had one projected release date: “2009”. Best of all? It’s a completely free Source modification. But we’re going to give it one anyway. It’s a complete remake/reimagining of the original Half-Life, in the modern Source engine. Black Mesa (or Black Mesa: Source, if you’re old-fashioned) is a mod that needs no introduction.