Today, Adobe Flash is strongly geared towards game development. Besides browser-based game portals like Kongregate, Newgrounds, and Armor Games, games made...

XNA is a game development platform from Microsoft that can be used to create games for Windows, Xbox 360, and Windows Phone. In this article, we'll share...

It's a pain to have to change the parameters of a function; you have to change every other call to that function in order to avoid errors. But you can get...

Stumped for what to put on your Christmas list? Or perhaps you're out of ideas for what to get that special web developer in your life? Let us help! This...

Twice a month, we revisit some of our best posts from throughout the history of Activetuts+. This week's retro-Active post is an interview with one of my...

In this tutorial (the first of a series), you'll learn the basics of HTML5 game development with JavaScript and the canvas element. You don't need to have...

I'm neither an artist nor an animator, and yet I was able to lip-sync an audio track in next to no time, all thanks to SmartMouth by Justin Putney. This...

In the first part of this series, we covered the very basics of Box2D, by adding some simple circular objects and rendering them using graphics calls. In...

Sometimes you have a set of items -- could be Strings, could be Numbers, could be Objects, whatever -- whose order you want to randomise. This is...

So you've been reading about an awesome Flash library, engine, or API, and you want to use it in your own project. You download it... but it's either some...

Box2D is a popular physics engine with a solid Flash port, which was used to create the excellent game Fantastic Contraption. In this tutorial, the first of...

Almost every game can be thought of as having one main function that contains all the game logic, and which is run either when the user does something, or...