One of the neater (and sadder) aspects of the new XCOM: Enemy Unknown is the fact that your base comes with a built-in memorial wall for your fallen soldiers. It's a great idea, though the execution is only okay: You don't get to post a picture of the soldier, nor any info beyond their name and rank.
2K has added a new layer to things, allowing players to add their fallen comrades to a regularly updated Facebook memorial. It's a start, though it still fails to allow players to add pictures of their soldiers, so there's room for improvement.
Though of course, if you've got a lot of screenshots and a printer, you can always build your own shrine to the fallen in your living room. Not that I did that, or anything.
XCOM Memorial Wall [Facebook]