| States of Mexico | 0 | - | 4.95 | 174,400 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,112 |
| States of Brazil | 0 | - | 4.97 | 86,975 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,314 |
| Belize Country Quiz | 0 | - | 4.85 | 20,866 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,432 |
| US States Quiz | 0 | - | 5.00 | 16,766,040 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,010 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,897 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,165 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,681 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,954 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,026 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,598 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,504 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,915 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,189 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,157 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,654 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,477 |
| Panama Country Quiz | 0 | - | 4.61 | 25,676 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,014 |
| Pixelated United States Map | 0 | - | 4.89 | 93,758 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,262 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,844 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,835 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,255 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,491 |
| U.S. States By Population | 0 | - | 4.92 | 152,729 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,817 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,124 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,950 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,198 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,892 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,633 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,367 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,357 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,790 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,976 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,760 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,259 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,391 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,062 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,893 |
| Flags of North and South America | 0 | - | 4.99 | 369,653 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,346 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,534 |
| Counties of England | 0 | - | 4.97 | 791,984 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,917 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,155 |
| US States with an Empty Map | 0 | - | 5.00 | 620,951 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,225 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,010 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,407 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,736 |
| Australian States and Territories | 0 | - | 4.96 | 141,272 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,220 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,822 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,010 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,153 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,595 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,365 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,449 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,164 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,016 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,722 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,445 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,669 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,678 |
| The Only American Country ... | 0 | - | 4.92 | 121,115 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,299 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,443 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,941 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,443 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,300 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,764 |
| Regions of Italy | 0 | - | 4.92 | 75,098 |
| States of India | 0 | - | 4.94 | 191,433 |
| Japanese Prefectures | 0 | - | 4.98 | 135,488 |
| Provinces of China | 0 | - | 4.97 | 201,745 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,056 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,283 |
| States of Germany | 0 | - | 4.96 | 150,918 |
| Regions of New Zealand | 0 | - | 4.85 | 28,349 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,664 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,050 |
| Provinces of Turkey | 0 | - | 4.95 | 202,673 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,099 |
| Central American Countries | 0 | - | 4.98 | 155,437 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,389 |
| Europe Map Quiz | 0 | - | 5.00 | 4,743,143 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,632 |
| Departments of France | 0 | - | 4.93 | 53,189 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,477 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,645 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,737 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,972 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,170 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,980 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,116 |
| South American Cities on the Map | 0 | - | 4.56 | 35,296 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,068 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,722 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,823 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,511 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,178 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,409 |
| Canada Country Quiz | 0 | - | 4.55 | 132,020 |
| United States Country Quiz | 0 | - | 4.43 | 100,961 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,119 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,824 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,769 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,709 |
| Counties of Ireland | 0 | - | 4.92 | 193,865 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,011 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,044 |
| Random U.S. City to State | 0 | - | 4.45 | 75,591 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,358 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,368 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,249 |
| Peru Country Quiz | 0 | - | 4.54 | 48,445 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,686 |
| Chile Country Quiz | 0 | - | 4.75 | 39,857 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,720 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,291 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,494 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,941 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,655 |
| Asia Map Quiz | 0 | - | 4.99 | 910,179 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,450 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,291 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,242 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,511 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,950 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,436 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,239 |
| New England States | 0 | - | 4.51 | 59,743 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,609 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,939 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,529 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,796 |
| U.S. States by Borders | 0 | - | 4.63 | 35,175 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,346 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,758 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,071 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,000 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,536 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,761 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,189 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,185 |
| The Only European Country ... | 0 | - | 4.91 | 214,903 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,916 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,183 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,425 |
| Countries of Africa | 0 | - | 5.00 | 2,518,477 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,063 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,766 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,255 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,129 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,101 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,292 |
| Australia Map Quiz | 0 | - | 4.94 | 343,125 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,073 |
| African East Coast | 0 | - | 4.96 | 95,439 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,278 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,371 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,959 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,321 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,280 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,119 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,681 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,955 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,703 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,585 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,966 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,360 |
| Boroughs of New York City | 0 | - | 4.47 | 84,291 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,846 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,172 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,284 |
| Which South American Country? | 0 | - | 4.69 | 51,808 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,470 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,161 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,520 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,144 |
| Largest United States Airlines | 0 | - | 4.39 | 54,908 |
| Hawaiian Islands | 0 | - | 4.83 | 42,541 |
| South American Physical Geography | 0 | - | 4.58 | 18,299 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,674 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,555 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,213 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,261 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,562 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,283 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,356 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,092 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,812 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,428 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,700 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,443 |
