| States of Mexico | 0 | - | 4.96 | 177,771 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,476 |
| States of Brazil | 0 | - | 4.97 | 89,347 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,609 |
| Belize Country Quiz | 0 | - | 4.85 | 21,064 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,755 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,773 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,312 |
| US States Quiz | 0 | - | 5.00 | 16,969,216 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,354 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,698 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,371 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,504 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,210 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,944 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,473 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,367 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,347 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,294 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,556 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,928 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,930 |
| Pixelated United States Map | 0 | - | 4.88 | 94,697 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,871 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,100 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,111 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,010 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,123 |
| U.S. States By Population | 0 | - | 4.92 | 154,015 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,057 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,789 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,474 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,994 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,453 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,557 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,815 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,282 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,520 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,263 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,035 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,158 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,823 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,406 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,687 |
| Flags of North and South America | 0 | - | 4.99 | 376,107 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,328 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,416 |
| Counties of England | 0 | - | 4.97 | 801,623 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,347 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,949 |
| US States with an Empty Map | 0 | - | 5.00 | 627,728 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,846 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,155 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,968 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,476 |
| Australian States and Territories | 0 | - | 4.96 | 142,681 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,145 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,215 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,318 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,668 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,412 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,269 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,731 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,346 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,102 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,689 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,160 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,547 |
| The Only American Country ... | 0 | - | 4.92 | 122,091 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,707 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,764 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,218 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,688 |
| Panama Country Quiz | 0 | - | 4.61 | 25,909 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,542 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,997 |
| Regions of Italy | 0 | - | 4.92 | 76,782 |
| States of India | 0 | - | 4.95 | 195,377 |
| Japanese Prefectures | 0 | - | 4.98 | 138,608 |
| Provinces of China | 0 | - | 4.97 | 207,231 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,102 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,412 |
| States of Germany | 0 | - | 4.95 | 154,116 |
| Regions of New Zealand | 0 | - | 4.84 | 28,683 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,635 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,076 |
| Provinces of Turkey | 0 | - | 4.94 | 205,488 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,623 |
| Central American Countries | 0 | - | 4.98 | 157,165 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,178 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,682 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,079 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,972 |
| Departments of France | 0 | - | 4.93 | 54,915 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,351 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,079 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,900 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,866 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,186 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,326 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,933 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,540 |
| South American Cities on the Map | 0 | - | 4.52 | 35,531 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,658 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,149 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,240 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,653 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,565 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 91,838 |
| Canada Country Quiz | 0 | - | 4.55 | 132,927 |
| United States Country Quiz | 0 | - | 4.43 | 102,050 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,264 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,526 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,164 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,031 |
| Counties of Ireland | 0 | - | 4.92 | 196,912 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,880 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,939 |
| Random U.S. City to State | 0 | - | 4.45 | 76,791 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,311 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,248 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,746 |
| Peru Country Quiz | 0 | - | 4.54 | 48,871 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,830 |
| Chile Country Quiz | 0 | - | 4.75 | 40,241 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,987 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,547 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,345 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,271 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,546 |
| Asia Map Quiz | 0 | - | 4.99 | 923,554 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,802 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,369 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,589 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,837 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,834 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,271 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,504 |
| New England States | 0 | - | 4.51 | 59,881 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,011 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,100 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,059 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,238 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,095 |
| U.S. States by Borders | 0 | - | 4.62 | 35,442 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,651 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,277 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,407 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,542 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,656 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,408 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,677 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,815 |
| The Only European Country ... | 0 | - | 4.91 | 218,511 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,564 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,233 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,855 |
| Countries of Africa | 0 | - | 5.00 | 2,554,289 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,257 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,477 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,522 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,320 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,740 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,449 |
| Australia Map Quiz | 0 | - | 4.95 | 345,869 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,856 |
| African East Coast | 0 | - | 4.96 | 96,603 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,602 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,646 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,299 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,474 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,503 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,713 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,262 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,113 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,841 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,763 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,199 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Boroughs of New York City | 0 | - | 4.47 | 84,890 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,102 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,521 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,450 |
| Which South American Country? | 0 | - | 4.69 | 52,073 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,833 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,107 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,425 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,129 |
| Largest United States Airlines | 0 | - | 4.39 | 55,132 |
| Hawaiian Islands | 0 | - | 4.83 | 42,882 |
| South American Physical Geography | 0 | - | 4.58 | 18,389 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,906 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,069 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,145 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,349 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,031 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,308 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,596 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,308 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,950 |
