Slender: The Arrival and Lone Survivor: Director’s Cut will haunt Steam this Halloween.

Indie game hits Slender: The Arrival and Lone Survivor: Director’s Cut will be available near the end of October, just in time for Halloween. Slender: The Arrival is an officially licensed game based on the Something Awful myth, and has players controlling Laura as she searches for her lost friend, using nothing but a camera and a flashlight. Lone Survivor: Director’s Cut originally released for PS3, but will now be featured as a stand-alone PC title, and as a digital upgrade for existing Lone Survivor purchases; those who have save data in progress for the original Lone Survivor, will be able to continue their progress with the Director’s Cut update.

Slender: The Arrival will be available on Oct. 28, and Lone Survivor: Director’s Cut will release on PC/Mac on Halloween; while a Mac version is available for Slender, no such version is listed on Steam.

Sources: Joystiq, Polygon, Steam