METAL SLUG XX blasts off on Steam! METAL SLUG XX was originally released on PlayStation®Portable in 2009 and PlayStation®4 in 2018 as part of the classic 2D run-and-gun action shooting game series from SNK, and now returns to service on Steam with graphics upscaled to 1080p and 4k screen resolution support! Moreover, Leona Heidern, who was a paid DLC character in the original PSP® game, is now playable for free and from the get-go! GAME FEATURES ■7 missions of intense action! Hidden routes for endless replayability! 7 missions of breathtaking action, charismatic…