Instructions and controls: Enter your call name and pistol of choice at the beginning of the game. You can see your objectives, enemy types, and other useful info at the BRIEFING tab. You can repair, upgrade, or purchase at the LOADOUT tab. Click the EXECUTE tab to start the fight. Aim and shoot your weapon using the mouse. Press the R key to reload. Hit the Q key to change equipped weapon. The F key is used to toggle between automatic and semiautomatic weapon mode. Throw a grenade by hitting the G key. Press the C key to call in an air strike. Press the space bar to open the menu page.