New user-designed campaigns that have been released this week include
Alberta – 2015 for Prime Minister Forever – Canada 2011 (Windows)
United States – 1804 for President Infinity (Windows or Mac)
United States – 1808 for President Infinity (Windows or Mac)
United States – 1812 for President Infinity (Windows or Mac)
Note that these are user-designed campaigns, not official ones.
Good gaming!