Metal Slug X is an action-packed game available on Mac, enhancing the classic Metal Slug 2 experience. Released in March 1999, this upgraded version addresses slowdown issues present in its predecessor, delivering smoother gameplay. The game ramps up the difficulty, providing a more challenging experience for players. It retains the beloved side-scrolling mechanics and vibrant graphics that the series is known for, ensuring a nostalgic yet fresh adventure.

In addition to performance improvements, Metal Slug X introduces new gameplay elements that enhance the overall experience. Players can expect engaging action sequences, varied enemy types, and a range of weapons to utilize throughout their missions. This version not only appeals to long-time fans of the franchise but also invites new players to explore the fast-paced world of Metal Slug, making it a noteworthy addition to the action game category.