Atlus has just confirmed that Metal SlugXX is definitely coming to North American PSP systems on February 23rd, 2010 (previously we didnt' know when the US release would happen). Metal SlugXX will feature 6 characters (one more purchasable from PSN for $0.99) going up against 7 levels of mayhem and action in the trademark MS sidescroll style.  New to XX is "Combat School" which gives players a... more.