If you're looking for a GameTuner replacement, Azure PlayFab is a good option. This full LiveOps back-end platform is geared for live games on multiple platforms and comes with a lot of analytics and data-handling features. It's got features like real-time data, raw event data storage and several SDKs to help developers integrate the service. PlayFab also has strong security and compliance, so it's a good choice for game studios that want to run live games.
Another good option is GameAnalytics. It's an all-in-one analytics service that can help you understand what's going on in your game and how players are behaving. It supports more than 30 game engines and services like Unity and Unreal, and it's got features like business and resource event tracking, growth experiment running and strong data security. GameAnalytics is designed to help developers make data-informed decisions and streamline game development processes.
If you prefer a more lightweight option that's geared for fast creation and deployment, check out Beamable. It's got a serverless design with microservices and C# scripting, so developers can quickly set up and manage game servers without a lot of infrastructure hassle. Beamable also has a LiveOps Portal for game management tasks, developer SDKs for Unity and Unreal, and support for a range of live content features like events and leaderboards.