| States of Mexico | 0 | - | 4.95 | 173,161 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,705 |
| States of Brazil | 0 | - | 4.98 | 86,263 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,829 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,679 |
| US States Quiz | 0 | - | 5.00 | 16,685,308 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,137 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,161 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,630 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,326 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,571 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,140 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,352 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,441 |
| Belize Country Quiz | 0 | - | 4.85 | 20,786 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,344 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,765 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,277 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,282 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,140 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,328 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,838 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,201 |
| Pixelated United States Map | 0 | - | 4.89 | 93,394 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,623 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,272 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,322 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,543 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,812 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,300 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,798 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,727 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,813 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,296 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,132 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,764 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,975 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,455 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,314 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,984 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,260 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,431 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,575 |
| Flags of North and South America | 0 | - | 4.99 | 366,135 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,486 |
| Counties of England | 0 | - | 4.97 | 788,575 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| US States with an Empty Map | 0 | - | 5.00 | 618,340 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,590 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,487 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,826 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,986 |
| Australian States and Territories | 0 | - | 4.95 | 140,580 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,628 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,948 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,252 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,942 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,567 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,513 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,801 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,575 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,968 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| The Only American Country ... | 0 | - | 4.92 | 120,687 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,635 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,887 |
| Regions of Italy | 0 | - | 4.92 | 74,620 |
| States of India | 0 | - | 4.94 | 189,830 |
| Japanese Prefectures | 0 | - | 4.98 | 134,382 |
| Provinces of China | 0 | - | 4.97 | 199,809 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,183 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,862 |
| States of Germany | 0 | - | 4.96 | 149,869 |
| Regions of New Zealand | 0 | - | 4.85 | 28,107 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,071 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,724 |
| Provinces of Turkey | 0 | - | 4.95 | 200,472 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Central American Countries | 0 | - | 4.98 | 154,945 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,002 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,554 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,677 |
| Departments of France | 0 | - | 4.93 | 52,705 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,078 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,176 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,389 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,640 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,681 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,371 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,680 |
| South American Cities on the Map | 0 | - | 4.57 | 35,237 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,631 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,557 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,347 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,463 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,049 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Canada Country Quiz | 0 | - | 4.54 | 131,651 |
| United States Country Quiz | 0 | - | 4.43 | 100,501 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,069 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,571 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,616 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,584 |
| Counties of Ireland | 0 | - | 4.92 | 192,868 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,273 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,563 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,619 |
| Random U.S. City to State | 0 | - | 4.45 | 75,240 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,109 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,736 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,029 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,053 |
| Peru Country Quiz | 0 | - | 4.54 | 48,265 |
| Chile Country Quiz | 0 | - | 4.75 | 39,699 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,343 |
| Panama Country Quiz | 0 | - | 4.61 | 25,588 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,188 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,661 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,533 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,715 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,172 |
| Asia Map Quiz | 0 | - | 4.99 | 906,204 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,359 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,944 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,180 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,460 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,512 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,062 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| New England States | 0 | - | 4.51 | 59,700 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,442 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,878 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,278 |
| U.S. States by Borders | 0 | - | 4.63 | 35,052 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,216 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,099 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,971 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,624 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,082 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,801 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,755 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,399 |
| The Only European Country ... | 0 | - | 4.91 | 213,585 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,922 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,381 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries of Africa | 0 | - | 5.00 | 2,505,497 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,293 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,235 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,736 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,358 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Australia Map Quiz | 0 | - | 4.94 | 342,295 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,137 |
| African East Coast | 0 | - | 4.96 | 94,965 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,868 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,821 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,766 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 38,290 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,767 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,478 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,888 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,636 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,495 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,899 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Boroughs of New York City | 0 | - | 4.47 | 84,068 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,850 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,038 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,788 |
| Which South American Country? | 0 | - | 4.69 | 51,701 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,319 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,825 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,546 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,580 |
| Largest United States Airlines | 0 | - | 4.39 | 54,820 |
| Hawaiian Islands | 0 | - | 4.83 | 42,412 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,551 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,344 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,982 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,222 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,367 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,263 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,016 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,757 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,382 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,656 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,406 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,632 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,731 |
