The 3D effect really adds to the game play. The Glasses give you depth and you really feel like you are driving. I tested most of the following games with the lowest refresh rate recommended by ELSA to see whether they were playable. Well now you can, these glasses let you experience true depth in the star wars universe. The architecture in this game is truly stunning when using the 3D glasses.
Thief works great and the glasses really enhance the game play.
I found myself holding my breath while peaking around a corner. No flickering at 100hz. GLDirect did not slow down Quake 3 at all and it had no graphical errors. I did not get a single head ache or any kind of eye pain as a result of using the glasses. Sometimes I even played for 3 or 5 hours straight.