The FAQs have been moved here:

Am I allowed to make multiple accounts? How do I use PIPE, LIFE, ARAY, WIFI etc... ? How do I use Powder Toy behind a proxy? Can I use the Powder Toy behind a passworded/authenticated proxy? What is the Line Tool, and how do I use it? How do I use floodfill/prop/another tool? Can I use the sample tool without a middle mouse button? How can I add an avatar to site? How can I upload something to TPT? When I try to login, I get a '605 - Timeout' error. How do I fix this? I've registered on the website, but I cannot login. What is TPT? What is a FP everybody is talking about? How can I appear on the FP? My art save was removed from FP. Why? Is art allowed? Where should I enter console commands? What is it? How do I run scripts with console? Can we have movable solids? Will be there a 3D powder toy? Can we have cookable items/dirt/chemistry/etc? Can we have weapons/arms/more stickmen/etc? How can I make movable sponge? Can we have multiplayer? What is a newtonian gravity and how can I turn it on? What is ambient heat?/Can we have hot and cold air? What is powder-legacy? What is TPT++? Does it have new elements? How can I translate TPT to another language? How can I add new elements to TPT? How do I run modifications? How can I compile TPT? How can I get my changes added to main TPT? How do I become a moderator? Who is that Simon? What is IRC? How can I get there? I think I've found a bug or other issue with the Powder Toy, who do I tell? I'm having an issue that's not mentioned on this page, can you help? Shenanigans?