It’s a great time to come back to Popfly and check out all the improvements!  Here are some features we just released as part of the Game Creator Beta:

Features for everyone:

New profile pages, with easier ways to view people’s projects, friends, recent activity, and more
View anyone's favorite projects
Earn badges by creating compelling content, being a good game player, making friends, or just being lucky!  Learn more about badges here.
Lots of performance improvements and bug fixes

Features for game creators of all skill levels:

Undo support for actor appearance editing
Insert images and videos directly into your actor or scene
Play audio from the Web or an uploaded file without custom code
Customize actor edges with a simple drag-and-drop view
Nudge elements into their proper positions with arrow keys
Preview any scene inside the motion dialog and custom code dialog
Jump to any scene when playing a game in the Play editor

Features for advanced game authors:

New properties that can be used at runtime	Actor: Name, TypeName, VisualX, VisualY, VisualWidth, VisualHeight, Scene: Width, Height
Console in the custom code dialog
Scroll wheel & tab support in the XAML & JavaScript editor
"Current Scene" support, for more generic actors and scenes that are easier to clone

Features for game embedders:

Features for mashup authors:

New StringFormatter block
New ImageSlideShow block
Image scraping support in the RSS block