Keyboard and Mouse Controls. Click on menu button located in the upper-left corner of the screen. From this screen you can make a few mouse adjustments. As long as the developer hasn't set the camera mode for the game, you can toggle between. To view the Roblox mouse and keyboard. X - Reload Y - Block B - Crouch Left Thumbstick Hold - Run Left Trigger - Aim Right Trigger - Use item/Shoot Directional Pad Up - Hold/Grab Directional Pad Down - Stomp. Mobile controls. Mobile players have built in controls, to full auto in mobile you must tap the shoot button below and track with your thumb, put the weapon away.
PC/Mac Controls
The following are the standard controls for Fortnite. Please note that you can rebind PC/Mac controls and switch between Standard or Quick Builder controller schemes via the in-game Settings menu.