You can customize your world in many ways! Follow these steps to create a flat world:
- Log in and activate your server
- Click on the Settings tab on the dashboard
- On this page, go to the Level Type section
- Select the Flat option and click SAVE
- After saving, click RESET WORLD
- Start your server
That's all there is to it, your world will now be Flat! You can also watch this video tutorial: