| States of Mexico | 0 | - | 4.95 | 173,207 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,726 |
| States of Brazil | 0 | - | 4.98 | 86,293 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,873 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,729 |
| US States Quiz | 0 | - | 5.00 | 16,689,352 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,159 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,216 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,648 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,343 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,598 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,427 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,359 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,588 |
| Belize Country Quiz | 0 | - | 4.85 | 20,790 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,376 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,793 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,294 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,293 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,143 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,329 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,846 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,202 |
| Pixelated United States Map | 0 | - | 4.89 | 93,417 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,652 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,295 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,344 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,566 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,830 |
| U.S. States By Population | 0 | - | 4.92 | 152,299 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,323 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,817 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,732 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,830 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,325 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,202 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,814 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,995 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,472 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,858 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,340 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,017 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,265 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,471 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,726 |
| Flags of North and South America | 0 | - | 4.99 | 366,470 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,029 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,581 |
| Counties of England | 0 | - | 4.97 | 788,749 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,786 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,903 |
| US States with an Empty Map | 0 | - | 5.00 | 618,452 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,627 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,507 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,850 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,080 |
| Australian States and Territories | 0 | - | 4.95 | 140,598 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,713 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,022 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,270 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,954 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,635 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,308 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,557 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,818 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,595 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,584 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,981 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,524 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,297 |
| The Only American Country ... | 0 | - | 4.92 | 120,704 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,636 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,892 |
| Regions of Italy | 0 | - | 4.92 | 74,639 |
| States of India | 0 | - | 4.94 | 189,860 |
| Japanese Prefectures | 0 | - | 4.98 | 134,425 |
| Provinces of China | 0 | - | 4.97 | 199,893 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,215 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,870 |
| States of Germany | 0 | - | 4.96 | 149,904 |
| Regions of New Zealand | 0 | - | 4.85 | 28,110 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,087 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,770 |
| Provinces of Turkey | 0 | - | 4.95 | 200,732 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,890 |
| Central American Countries | 0 | - | 4.98 | 154,966 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,005 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,259 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,729 |
| Departments of France | 0 | - | 4.93 | 52,736 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,098 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,191 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,409 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,656 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,699 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,401 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,690 |
| South American Cities on the Map | 0 | - | 4.57 | 35,238 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,645 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,572 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,374 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,465 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,058 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,060 |
| Canada Country Quiz | 0 | - | 4.54 | 131,670 |
| United States Country Quiz | 0 | - | 4.43 | 100,528 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,573 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,630 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,587 |
| Counties of Ireland | 0 | - | 4.92 | 192,931 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,273 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,851 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,632 |
| Random U.S. City to State | 0 | - | 4.45 | 75,261 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,109 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,768 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,043 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,062 |
| Peru Country Quiz | 0 | - | 4.54 | 48,281 |
| Chile Country Quiz | 0 | - | 4.75 | 39,700 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,347 |
| Panama Country Quiz | 0 | - | 4.61 | 25,593 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,194 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,669 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,180 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,869 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,484 |
| Asia Map Quiz | 0 | - | 4.99 | 906,468 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,359 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,999 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,183 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,461 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,516 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,067 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,189 |
| New England States | 0 | - | 4.51 | 59,701 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,455 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,879 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,291 |
| U.S. States by Borders | 0 | - | 4.63 | 35,055 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,220 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,107 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,973 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,799 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,325 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,852 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,765 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,436 |
| The Only European Country ... | 0 | - | 4.91 | 213,646 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,985 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,425 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,171 |
| Countries of Africa | 0 | - | 5.00 | 2,506,038 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,493 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,634 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,749 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,392 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,864 |
| Australia Map Quiz | 0 | - | 4.94 | 342,354 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,190 |
| African East Coast | 0 | - | 4.96 | 94,982 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,357 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,018 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,771 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 40,687 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,781 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,487 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,894 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,642 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,506 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,907 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Boroughs of New York City | 0 | - | 4.47 | 84,070 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,235 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,044 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,038 |
| Which South American Country? | 0 | - | 4.69 | 51,705 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,330 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,845 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,675 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,759 |
| Largest United States Airlines | 0 | - | 4.39 | 54,824 |
| Hawaiian Islands | 0 | - | 4.83 | 42,417 |
| South American Physical Geography | 0 | - | 4.58 | 18,264 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,560 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,353 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,990 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,223 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,379 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,266 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,017 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,760 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,384 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,659 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,406 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,640 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,959 |
