incheon
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A Node.js based real-time game server
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[](https://travis-ci.org/OpherV/Incheon) [](http://inch-ci.org/github/opherv/incheon)
[](http://incheongg-slack.herokuapp.com)
<img src="https://cloud.githubusercontent.com/assets/3951311/21020499/6f125344-bd7d-11e6-86e4-a4bb16b32f2a.png" style="width: 100%" alt="Incheon logo">
# [Incheon](http://incheon.gg) 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, Incheon implements
efficient networking methods, position interpolation and extrapolation, user input
coordination, shadow objects, physics and pseudo-physical movement, automatic
handling of network spikes.
Incheon aims to optimize the player's visual experience, while providing
a simple development model which is highly configurable and easy to analyze
and debug.
## See it in action
Check out the official demo: [Spaaace](http://spaaace.herokuapp.com)
## Features:
* Focus on writing your game. Incheon 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
## That's so neat! Where do I start?
To get a bird's eye view on what's Incheon all about and how to use it to make a multiplayer game, we recommend reading the guide: {@tutorial overview_architecture}
If you're more of the learning-by-doing type, you can start with the first tutorial, [My first game: Pong](http://docs.incheon.gg/develop/tutorial-MyFirstGame.html) which contains step-by-step instructions on how to implement a networked version of this classic game.
## Join the fun!
We are working hard to build an active, positive and inclusive {@tutorial introduction_community}
## Need help?
If you're not exactly sure how to do something, [Stack Overflow](http://stackoverflow.com/questions/tagged/incheon) is your friend.
If you've encountered a bug and it's not already in the [issues page](https://github.com/OpherV/Incheon/issues), open a new issue.
## Built something cool with Incheon?
Please [Let us know](http://www.twitter.com/opherv)! We'd love to play it, and feature it on the [Incheon homepage](http://incheon.gg).