The final boss, the , features three distinct phases: Metal Slug 4 - Review
: A new combo-based scoring mechanic. Collecting medals starts a timer; killing enemies during this window grants exponentially higher points. New Slugs : metal-slug-4-game
: A mechanical variant of mutated soldiers with enhanced jumping abilities but no player protection. The final boss, the , features three distinct
: Many missions, such as Mission 1, offer upper and lower routes. For example, in Mission 1, crouching and walking downwards at the first taxi choice leads to a lower path with different prisoners and power-ups. : Many missions, such as Mission 1, offer
: In this entry, "little bullets" do less damage to your Metal Slug than heavy projectiles, allowing you to tank small arms fire more effectively than in previous games. Mission Breakdown & Completion Time Estimated Time Main Campaign 100% Completion (Secrets & Routes) Boss Strategy: The Final Battle (Amadeus)