The release date for the first installment of the episodic narrative mod for Valve’s Half-Life 2: Episode Two, titled Post Script has been shortened to 16 December 2009.

The creator of the modification Lewis Denby has revealed a trailer to accompany with the release of the mod, which shows various elements of the story and some in-game footage.

The Launch Trailer of Post Script still displays the previous release date for it, so please keep that in mind when you watch it.

Post Script is an episodic narrative modification for Half-Life 2: Episode 2, in which the player’s objective is to explore the remains of a village destroyed by a catastrophic event and solve various environmental puzzle sequences and uncover the mystery of “how did the world fell out of existence and sunk”.