Deliverance is a free single-player expansion pack for Sierra's Half-Life. In Deliverance you reprise your role as Gordon Freeman in a story set after the end of Half-Life. Voted #8 in the Top Ten Half-Life Add-ons by PC Gamer magazine in May 2000.
Finishing Half-Life was just the beginning. Full Walkthrough and FAQ. If you're looking for installation instructions, known bugs, credits and other info then check the readme.