Many years have passed since the last space invader war, and the wounds that the war brought to the earth have gradually been healed. However, peace is always short-lived, and new regional disputes are beginning to appear around the world. The headquarters has gathered outstanding commanders from all over the world to create a tenacious force to resist the new threat that is coming. Commander, the fate of mankind is up to you. Game features: ---Reproduce the classic elements--- Classic roles, classic scenes, classic music, revisit the works of the previous generations of Metal Slug. ---Two-line strategy battle--- Rich character characteristics, interesting formation strategy, and become the strongest commander together! ---Giant Mecha Collection--- The most powerful mecha can also be included under your command to obtain super mechas and sweep away all enemies! ---Free to match the lineup--- The card level is shared, and you can easily experience a variety of lineups. ---Simple and easy way to play--- The gameplay is easy and fun, bid farewell to the liver burst, and experience the pure joy of the game. ---Global players on the same server--- Commanders from all over the world gather to form the strongest troops to stand out!