# MaxWorldCapacity

> The maximum number of PhysicsWorld that can exist at one time. The world array grows on demand up to this ceiling, which is the limit of the 16-bit world index carried in physics handles.

## Definition

* **Type:** Field
* **Namespace:** [Unity.U2D.Physics](/engine/6000.7/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public const int MaxWorldCapacity = 65535
```