A few pointers:

• So, I'm getting feedback that this sucker fails on macs... sorry about that, I'll see what I need to do to fix it.
• Pixel fonts are rendered more or less correctly
• Some fonts will throw errors, particularily cursive types
• There is some flickering... I know...
• There are probably other errors too, it's a demo ;)
• When it fails, click here to start again