6 months since I first played it, and I've finally completed it with all levels glowing. Addictive.
Also, wwwerner, just because its hard doesnt mean it isn't good.
If you go to the website for the game it tells you that the NEWEST VERSIONS OF FLASH DO NOT SUPPORT CHAT OR MULTIPLAYER ON THIS GAME.
This is due to security improvements.
 "GemCraft"){kind=icon}
 "Starfighter: Disputed Galaxy"){kind=icon}