: Displays your current fuel level and maximum backpack capacity. Currency Displays : Shows your total Cash and Gems .
The Graphical User Interface (GUI) in on Roblox is designed to manage fuel collection, rocket upgrades, and progression across dimensions. Core Gameplay HUD 3-2-1 Blast Off Simulator GUI
: Appears during flight to show how high your rocket has traveled. : Displays your current fuel level and maximum
: Used to switch between items like the Fuel Scoop (typically assigned to slot '1'). Navigation & Menus 3-2-1 Blast Off Simulator GUI
: Access buttons on the side of the screen to open GUIs for purchasing: Backpacks : Increases fuel storage capacity. Fuel Scoops : Improves fuel harvesting speed. Rockets : Increases launch speed and cash multipliers. Gems : Purchase permanent boosts like the Infinite Backpack .