# World.__eq

**Kind:** Operation

**Environments:** Game, Terrain

## Game

``` { .lua .api-signature }
World == World
```

[Open the full Game reference](../Game-Script-Environment/Userdata/World.md#__eq)

**Operations:**

| Operation | Returns | Description |
| --- | --- | --- |
| `World == World` | boolean | Checks if two instances of [World](../Game-Script-Environment/Userdata/World.md) refer to the same World. |

## Terrain

``` { .lua .api-signature }
World == World
```

[Open the full Terrain reference](../Terrain-Script-Environment/Userdata/World.md#__eq)

**Operations:**

| Operation | Returns | Description |
| --- | --- | --- |
| `World == World` | boolean | Checks if two instances of [World](../Terrain-Script-Environment/Userdata/World.md) refer to the same World. |