AWS GameSparks is a managed backend-as-a-service specifically designed for game developers. It abstracts away server management and provides out-of-the-box features: player authentication (via Cognito), user profiles, social systems (friends, messaging), real-time notifications, matchmaking, and cloud script execution (Lambda). You define data models in DynamoDB, write business logic as CloudScripts (Node.js or Python), and GameSparks handles scaling, security, and deployments. GameSparks integrates with AWS Lambda, DynamoDB, CloudWatch, and SNS. Client SDKs exist for Unity, Unreal, and JavaScript.