Install or launch Rex Zero
Start a new game or load an existing save
Read the on-screen controls or tutorial prompts
Move your character using the movement keys or joystick
Interact with objects, NPCs, and menus using the action button
Follow the main objective shown on the screen
Collect items, resources, or rewards as you progress
Use weapons, abilities, or tools when needed
Manage health, ammo, energy, or inventory if the game includes them
Complete missions, levels, or quests to advance
Save your progress when the game allows it
Adjust settings if needed for controls, audio, or display
Check the in-game help or manual for Rex Zero-specific mechanics