METAL SLUG ATTACK has more new gameplay for players to experience. The game supports combat unit formations and can rely on different combinations of strategies to fight. In addition, the game also incorporates real-time match-play gameplay, where global players can battle on the same server.

The game adopts the top 2D painting style that is deeply loved by players, helping players to regain the classic memories of childhood. The game not only includes the classic characters of the alloy warhead series, special weapons, vehicles, and historical BOSS. It also inherits classic sounds, and both the sound effects and the music can bring players original game experiences.