Step 19: Write Some Games to Use Your New and Improved Power Glove!
For making games, I'd seriously recommend Unity3D. If it weren't for this one tool and how slick and easy it makes the process, I wouldn't be making games professionally or as a hobby right now.
In the downloads I linked in the intro, I've included a Java program that reads the serial data and spits it out as a text file. This way, if you tech doesn't support serial I/O but can read a text file, you can do that instead.
Next step: Off-Road Velociraptor Safari with the Power Glove?