Techland announces that March 10th is the release date for The Ultimate Survivor Bundle DLC, the second phase of season pass content for Dying Light, their zombie game. They add that this is also when to expect the promised update to add a new harder difficulty mode to the game. A new trailer shows off the DLC, and here's word on the free update, which includes additional new content:

Also on March 10th, a new free update for Dying Light will be released. Along with various improvements to the game’s performance, gameplay balance, online functions, and visual fidelity, patch 1.4 will introduce a specially designed Hard Mode, allowing players to add extra challenge and realism to their game. Furthermore, the update adds an additional tier to weapon rarity level, extra rewards for completing the game, more character outfits, and dozens of new weapons. All content of patch 1.4 will be available for free on all supported platforms.