Constitution
Here is another site with a nice collection of Constitution based games. The Bill of Rights, the Constitutional Convention and the 1st Amendment are all topics of some of the games you can find here.
iCivics is a non-profit organization dedicated to reinvigorating civic learning through interactive and engaging learning resources. Our educational resources empower teachers and prepare the next generation of students to become knowledgeable and engaged citizens.
21 YouTube videos that help making learning the Constitution Fun
Newseum Instititute, First Amendment Center
The mission of the Newseum Institute is to champion the five freedoms of the First Amendment through education, information and entertainment. The Newseum Institute serves as a forum for First Amendment study, exploration and education.
Constitutional Rights Origins and Travels
This website allows users to compare rights in the Constitution to corresponding rights in countries around the world.
Exploring Monticello, An Inside Look at Washington DC, Exploring Mount Vernon, Our Nation's Capitol, Congressional Record, Presidential & the Constitution
Citizenship
US Citizenship and Immigration Services Interactive Practice Tests
General Resources
This site has videos (Crash Courses) from all subject areas. They are designed to engage the student. Please view before showing students as some may find content may not be classroom appropriate. US Government videos include: Congressional Elections, Structure of the Court System, Equal Protection, Why Study Government, and many more.