In the thrilling shooting game Militar Macizo, you take on the role of a military soldier dressed in yellow, armed with a powerful machine gun. Your mission is to defeat a group of mad scientists who have invaded the city, causing chaos in their wake. As you progress in protecting the city, you will encounter a growing variety of enemies, including not only the scientists but also small and large robots that present unique and dangerous challenges.

After successfully defeating all enemies in a zone, you will be transported to a special shop. Here, you can spend the coins earned during battles to upgrade your weapon, making it more powerful and efficient, or purchase additional skills. These skills include the ability to strategically place grenades or set traps to halt the enemies' advance. With each upgrade and skill acquired, you become stronger and better equipped to face the increasingly intense threats looming in your mission to save the city.