Uncharted 3's first major DLC add-on will be a retro map pack.The announcement over on the PlayStation Blog was light on details, other than that it's called the Flashback Map Pack #1.It teased two screens, reproduced below, which appear to show a waterlogged take on Uncharted 2's The Fort map and a thawed out version of The Ice Cave."We'll have more information for you soon," wrote Naughty Dog's Eric Monacelli.The post also noted that you can pick up some Killzone 3-themed multiplayer skins this week, for the regional equivalent of $1.49.