> For the complete documentation index, see [llms.txt](https://metaversenw.gitbook.io/user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metaversenw.gitbook.io/user-manual/immersive-quest-system/creation-of-immersive-world-with-collider..md).
# Creation of immersive world with collider.
Colliders are invisible walls that add an invisible world on top of our image to block your avatar from freely walking to places that you don't want
**1. Create a World**
[Please refer to this guide](/user-manual/immersive-quest-system/creation-and-customization-of-a-2d-metaverse.md) if you haven’t created a new world yet.
**2. Access Your World**
Access your world by Clicking it. Open your new world.
**3. Click the Customize button and click on Add Collider.**
3.1. Draw a rectangle on the map to set a collider.
3.2. To adjust the collider, go to the Move Object feature, select the collider you want to move, and begin adjusting.
3.3. Once you are satisfied with the drawing. Click Add Collider.
3.4. You can add as many colliders as you want. Experience the dept of your world.
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