Along with launching “The Lab” for the weekend this morning, many of you noticed that the level cap has been increased beyond 60 (X). This now makes the maximum level attainable currently in UNCHARTED 2 is now 80 and is designed by an in-game badge which uses the roman numerals XXX. You can check out the full set of level badges on the Naughty Dog Flickr photostream.
Each level beyond 60 requires accumulating $15,000,000 in cash to level up and that stays consistent throughout 61 to 80. That means you will need to accumulate a total of $362,965,500 to hit level 80.