Halloween is the day when all the spooks, ghouls, and goblins come out to play. Starting tomorrow there are a few time sensitive achievements for you to pick up if you haven't done so already.
First off we have Saw 2: Flesh & Blood
and an achievement for just playing on Halloween. So boot this up tomorrow to unlock your achievement!
Secondly, you need to visit the Calendar Man in Batman: Arkham City (Xbox 360)
to earn progress towards the following achievement:
Lastly, if you own the GFWL version of Batman: Arkham City (PC)
, you need to visit the Calendar Man in this game as well.
For future time-sensitive achievements, make sure you stay tuned as we will always be here to keep you informed! Happy early Halloween!