# [Lance](https://lance-gg.github.io/) is a real-time multiplayer game server It provides an extendible Node.JS based server, on which game logic runs, as well as a client-side library which synchronizes the client's game state with the server game state. In order to provide a smooth visual experience for each connected client, Lance implements efficient networking methods, position interpolation and extrapolation, user input coordination, shadow objects, physics and pseudo-physical movement, automatic handling of network spikes. Lance aims to optimize the player's visual experience, while providing a simple development model which is highly configurable and easy to analyze and debug. ## Features: * Focus on writing your game. Lance takes care of the netcode * Can support any type of game or genre * Optimized networking * TCP via websockets * Communication is packed and serialized into binary * Automatic handling of network spikes with step correction * Intelligent sync strategies for lag handling * Extrapolation (client side prediction) with step re-enactment or: * Interpolation for optimal object motion * Tools for debugging and tracing More features in the pipeline: * UDP via WebRTC * Full-stack testing suite * Replay saving * More physics engines ## That's so neat! Where do I start? The official [Lance documentation](https://lance-gg.github.io/docs_out/index.html) contains articles on theory and rationale, as well as the structure and architecture of the project. ## Something went wrong! I need help! If you're not exactly sure how to do something, [Stack Overflow](http://stackoverflow.com/questions/tagged/lance) is your friend. If you've encountered a bug and it's not already in the [issues page](https://github.com/lance-gg/lance/issues), open a new issue.