Metal Slug 6 joins PSP Metal Slug Anthology

As part of the upcoming Metal Slug Anthology for the PlayStation Portable from Ignition Entertainment, it was announced the previously unreleased outside of Japan title Metal Slug 6 would be included. Metal Slug 6 completes “the compilation that offers players the chance to experience the franchise that has been much admired over the last ten years.” Metal Slug Anthology offers arcade conversions of the six related titles, two player co-op wireless play, unlockable items and more.