Michael James Williams

Besides running the Tuts+ Network, Envato also runs a set of digital stock marketplaces - and one of these, GraphicRiver, now sells sprite sheets for games....

The indie gamedev community is awesome: so willing to share tips, tricks, advice, and even detailed tutorials explaining important concepts. Here, I've...

Jacob Zinman-Jeanes has put together a set of space-based shmup sprites - and we're giving them away for free! There's a spaceship, an enemy UFO (in a...

In my previous Tetris tutorial, I showed you how to handle collision detection in Tetris. Now let's take a look at the other important aspect of the game:...

I'm sure it's possible to create a Tetris game with a point-and-click gamedev tool, but I could never figure out how. Today, I'm more comfortable thinking at...

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

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...