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SwiftCODE is a multiplayer, interactive, realtime typing speed game for coders.

How to play

The app is built around 2 main pages.

  • After logging in, or choosing to be anonymous, the user is redirected to the lobby, where the currently active games are shown. From here, they can choose to join a game or create their own (either single-player or multiplayer) from a set of preconfigured programming languages.

  • Once the user has created or joined a game, they are redirected to the game screen where the code snippet loads. There they wait until another user joins their game, after which the countdown begins. Each game can have a maximum of 4 players. Once the game starts, players must type the provided code as fast as possible. Throughout this, the players' current positions are shown to each other in real-time, and at the end some statistics are shown.


As programmers, we rely on many tools while coding. A keyboard is usually the most basic and most important of all such tools. Of course, there are far more important skills that a developer must have than typing speed. That being said, however, it's still great fun to hear the keys clicking away as you furiously write out some code. In fact, it's so fun, why not make it into a game? And a multiplayer one at that!

In the past, I've enjoyed typing games, but there is a large difference between typing natural language, and typing code (even the choice of programming language can make a significant difference!). I had found a while back, which is great fun - but unfortunately doesn't support any kind of multiplayer.

The goal of this project was to fill that gap - to create a multiplayer, interactive, typing game for developers! I envisioned multiple players simultaneously receiving a piece of code, getting ready, and then racing each other to type out the code, all while streaming the progress of each player to his opponents, and animating their progress via multiple cursors on the player's screen.



  • Node.js and NPM (v0.10)
  • MongoDB (v2.4)


Grab the source code and the NPM dependencies.

git clone
cd swiftcode
npm install


Create a database in MongoDB for SwiftCODE, and create a MongoDB user account that SwiftCODE will use to connect.

> use swiftcode
> db.addUser({ user: 'swiftcodeuser', pwd: 'password', roles: ['readWrite'] })

Copy the sample settings.js.example.js file to settings.js, and fill out the settings as desired (specifically, you must provide the database settings to your MongoDB).

cd src
cp settings.js.example.js settings.js
vim settings.js

SwiftCODE does not come with code exercises preloaded, but does have a simple admin interface which allows for the definition of new languages, projects, and exercises. An admin user is required to access the interface, which can be created through grunt (note, this requires the database settings to be in place).

grunt add-admin

The following prompt is for a username and a password (must be >= 8 characters). Once an admin user has been added, the admin interface can be accessed after logging in, using the link in the drop-down in the top-right corner of the page.


At this point, SwiftCODE should be fully set up, and runnable.



Open Source

Without open source technologies and libraries, this project would not be possible. A great thanks goes to all of their creators. Listed in no particular order:

  • Node.js
  • Express
  • Socket.IO
  • MongoDB and Mongoose
  • Bootstrap
  • jQuery
  • Knockout.js
  • Highlight.js
  • Lo-dash
  • Moment.js
  • Jade
  • Passport
  • Cheerio
  • Helmet
  • Alertify
  • Favico.js
  • Mousetrap
  • And of course, HTML5 itself!


Multiplayer, interactive, realtime typing speed game








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