For a single-player mobile game backend with unpredictable, spiky traffic where cost and minimal over-provisioning are priorities, which compute platform should you use?

Cloud Run is ideal for this scenario because it's a fully managed, serverless platform that automatically scales from zero to handle unpredictable, spiky traffic without requiring you to manage infrastructure. Its pay-per-use billing model aligns perfectly with cost optimization and minimal over-provisioning. Compute Engine with managed or unmanaged instance groups would require more manual configuration and management, leading to higher operational overhead and potential over-provisioning to handle spikes. Google Kubernetes Engine (GKE) with cluster autoscaling offers flexibility but introduces more complexity and management burden than Cloud Run, making it less suitable when simplicity and minimal overhead are key priorities for a single-player game backend.