I think it would be sweet to replace loot chests with Holliday themed items! Such as a pumpkin for Halloween, present for christmas, or a Easter egg for Easter :p just an idea... And of course the already mentioned idea of Holliday armour or shaders.. If any of this would even be possible Didn't mean to piss anyone off or offend anyone if you don't like the idea. What do you think? (BTW totally love the game an support it!)
We could replay the same strikes on a higher difficulty with Christmas music in the background! Radical!