Half-Life: The Challenger Deep 2 - Playthrough

Despite the "2", it's not a sequel but instead, it's a remake of the first Challenger Deep.
DocRock, you should use proper names instead of numbers in your remakes because people will mistake it as a sequel.
Download it from here: www.moddb.com/...
This mod compatible with MMod and MMod is available on Steam: store.steampow...