.PNI File Extension
File TypePopnoggin Image File
What is a PNI file?
Image file used by Popnoggin, an educational program that displays pop-up questions while other programs are running; contains images that are embedded in the pop-up questions.
Popnoggin uses a "pay-to-play" model that allows kids to earn game time by answering questions. The program keeps track of gameplay time and the number questions answered.
NOTE: Popnoggin is no longer developed and is not available for download.