> **Experimental**
>
> `@aws-cdk/aws-gamelift-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# BalancingStrategy

Indicates how GameLift FleetIQ balances the use of Spot Instances and On-Demand Instances in the game server group.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/game-server-group.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-gamelift-alpha/lib/game-server-group.ts#L80)

## Members

| Member | Description |
| --- | --- |
| `SPOT_ONLY` | Only Spot Instances are used in the game server group. |
| `SPOT_PREFERRED` | Spot Instances are used whenever available in the game server group. |
| `ON_DEMAND_ONLY` | Only On-Demand Instances are used in the game server group. |

## Referenced by

- [`GameServerGroupProps`](/v2/docs/@aws-cdk_aws-gamelift-alpha.GameServerGroupProps).balancingStrategy