Metal Slug XX delivers explosive arcade‑style action to the PSP with fast shooting, tight platforming, and the series’ signature humor. Battle through seven intense missions packed with enemy soldiers, vehicles, and massive bosses while choosing from multiple playable characters—each with their own strengths and special abilities. Unlock new routes, rescue POWs, and take on dozens of skill‑based challenges in Combat School to perfect your run‑and‑gun technique.