Metal Slug: 2nd Mission Blood mode: Change the default language to "Japanese" in the system settings before using the game. Play as Tequila: Successfully complete the game to play as Tequila. When doing so, you can select any level and view a hostage list. Unlimited grenades: Successfully rescue all of the hostages. Then hold Down when selecting a character. Although you will have unlimited grenades you will only have one powerful close attack.