Make your way through City 17 down into the sewers and back up to the light in this new Half Life 2 adventure. Four new maps filled with Grav Gun puzzles and intense action set peices all in the style of traditional Half Life 2 gameplay. If you miss Half Life 2 and can't wait for Episode 3 then this mod is for you.
A playthrough from Darren Weekes over at Custom Gamer on YouTube. Has some commentary and CONTAINS SPOILERS!