Instructions
Visit the Phosphor Beta 1 page at Rasterwerks.com and wait for the applet to load.
Click on "Settings."
Customize the game's keyboard layout by editing the options on the "Controls" tab.
Change your video and audio settings by opening, respectively, the "Video" and "Audio" tabs.
Edit the game options such as, for example, the difficulty, by clicking on the "Game" tab.
Choose the appropriate options for your Internet connection on the "Network" tab.
Click on "OK" to confirm your settings and select "Start" to launch the game.