| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,378 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,612 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,219 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,500 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,915 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,712 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,015 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,262 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,701 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,443 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,461 |
| Vietnam War Countries | 0 | - | 4.83 | 93,527 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,257 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,368 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,441 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,443 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,664 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,301 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,178 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,357 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,688 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,793 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,669 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,887 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,756 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,732 |
| US States Quiz | 0 | - | 5.00 | 16,676,694 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,825 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,034 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,020 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,313 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,037 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,567 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,423 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,331 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,499 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,968 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,042 |
| Random European Country to Capital | 0 | - | 4.92 | 147,326 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,262 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,321 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,452 |
| United States Country Quiz | 0 | - | 4.43 | 100,453 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,906 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,953 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,755 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| Pixelated United States Map | 0 | - | 4.89 | 93,272 |
| US States with an Empty Map | 0 | - | 5.00 | 618,048 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,124 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,195 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,255 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,522 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,468 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,732 |
| U.S. States By Population | 0 | - | 4.92 | 152,242 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,233 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,829 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,769 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,778 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,761 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,022 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,015 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,602 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,650 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,925 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,362 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,555 |
| Asia Map Quiz | 0 | - | 4.99 | 905,608 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| U.S. State Flags | 0 | - | 4.89 | 166,654 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| Hawaiian Islands | 0 | - | 4.83 | 42,393 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,795 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,806 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,061 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,419 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,775 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,543 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,925 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,915 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,831 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,389 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,298 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,733 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,087 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,698 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,488 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,696 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,318 |
| The Only European Country ... | 0 | - | 4.91 | 213,451 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,810 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,300 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Arms Exports - United States | 0 | - | 4.70 | 54,259 |
| Countries of Africa | 0 | - | 5.00 | 2,503,998 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,269 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,752 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,189 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,308 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,260 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,435 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,184 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,277 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,767 |
| Australia Map Quiz | 0 | - | 4.94 | 342,204 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,041 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,119 |
| Flags of North and South America | 0 | - | 4.99 | 365,320 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,212 |
| Counties of England | 0 | - | 4.97 | 788,213 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,909 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,913 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,042 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,799 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,962 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,249 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 22,991 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,681 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,187 |
| Biggest European Cities by Century | 0 | - | 4.98 | 129,306 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,933 |
| Official Cities in the UK | 0 | - | 4.89 | 280,101 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,660 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,233 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,633 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Europe Capital to Country | 0 | - | 4.99 | 247,262 |
| Asia Capital to Country | 0 | - | 4.96 | 125,603 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,265 |
| European Capitals by Map | 0 | - | 4.99 | 135,895 |
| African Capitals by Map | 0 | - | 4.99 | 132,035 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,737 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,458 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,524 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,948 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,060 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,518 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,330 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,506 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,691 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,092 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,010 |
| Countries of the Middle East | 0 | - | 4.96 | 198,681 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,127 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,234 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| African Island Countries | 0 | - | 4.96 | 100,641 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| Monarchies of Europe | 0 | - | 4.90 | 97,194 |
| Monarchies of Asia | 0 | - | 4.97 | 70,530 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,375 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,625 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,149 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 215,995 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,573 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,345 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,891 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,516 |
| The Only African Country ... | 0 | - | 4.99 | 128,253 |
| The Only American Country ... | 0 | - | 4.92 | 120,644 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,728 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,456 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,665 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,101 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
