Mega Man Zero 4 is a Game Boy Advance action-adventure game starring Zero in a fast side-scrolling battle against the Neo Arcadian army. This entry adds the Zero Knuckle, a weapon-stealing tool that lets Zero take enemy gear and turn it against them in combat.

• Cleaned, tested, and guaranteed to play. Authentic cartridge.
• Side-scrolling action gameplay focuses on fast movement, close-range attacks, and enemy weapon use.
• The story sends Zero against Dr. Weil while protecting a human caravan headed for Area Zero.
• The Item Recipe System combines stolen enemy parts to create new items and abilities.
• The Weather Changing System adjusts gameplay difficulty across stages.
• Features 16 stages, 16 bosses, and 56 enemies to defeat.

As the fourth numbered Mega Man Zero game, it builds on the series’ mission-based action with a larger emphasis on stolen parts, crafted upgrades, and selectable stage conditions.