| Countries of North America Quiz | 0 | - | 5.00 | 1,028,896 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,765 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,737 |
| Central American Countries | 0 | - | 4.98 | 157,117 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,149 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,158 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,776 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,346 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,146 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,138 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,888 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,833 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,652 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,929 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,756 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,993 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,061 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,059 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,566 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,908 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,867 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,768 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,266 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,239 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,533 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,876 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,523 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,503 |
| The Only American Country ... | 0 | - | 4.92 | 122,051 |
| European Countries with One Border | 0 | - | 4.97 | 183,504 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,243 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,327 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,182 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,614 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,804 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,166 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,615 |
| Countries That Border Russia | 0 | - | 4.98 | 463,895 |
| Countries Bordering France | 0 | - | 4.83 | 404,344 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,323 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,812 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,440 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,336 |
| States of Mexico | 0 | - | 4.96 | 177,645 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,255 |
| Countries of Africa | 0 | - | 5.00 | 2,552,857 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,267 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,944 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,617 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,731 |
| The Only European Country ... | 0 | - | 4.91 | 218,337 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,434 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,545 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,144 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,834 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 85,701 |
| Countries Bordering India | 0 | - | 4.98 | 163,715 |
| Countries that Border China | 0 | - | 4.96 | 263,966 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,161 |
| Countries that Border Poland | 0 | - | 4.99 | 172,939 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,799 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,016 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,032 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,679 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,035 |
| U.S. States By Population | 0 | - | 4.92 | 153,963 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,992 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,759 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,950 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,448 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,958 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,509 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,077 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,564 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,760 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,559 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,364 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,829 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,071 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,453 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,716 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,403 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,387 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,742 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,499 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,252 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,644 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,611 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,207 |
| Countries of the Middle East | 0 | - | 4.96 | 202,259 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,936 |
| Slavic Countries | 0 | - | 4.96 | 112,183 |
| African Island Countries | 0 | - | 4.96 | 102,236 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,079 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,568 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,104 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,312 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,059 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,281 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,639 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,833 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,305 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,074 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,989 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,964 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,422 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,923 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,743 |
| Canada Country Quiz | 0 | - | 4.55 | 132,896 |
| United States Country Quiz | 0 | - | 4.43 | 102,007 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,066 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,389 |
| Flags of North and South America | 0 | - | 4.99 | 375,856 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,286 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,922 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,927 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,692 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,991 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,731 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,373 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,679 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,741 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,323 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,321 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,881 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,373 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,636 |
| Monarchies of Europe | 0 | - | 4.90 | 98,641 |
| Monarchies of Asia | 0 | - | 4.97 | 71,382 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,024 |
| The Only African Country ... | 0 | - | 4.99 | 129,509 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,314 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,187 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,318 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,231 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,594 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,241 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,626 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,476 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,664 |
| North America Cities by Map | 0 | - | 4.41 | 47,899 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,240 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,444 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,750 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,213 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,585 |
| Territories of the United States | 0 | - | 4.80 | 52,554 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,810 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,822 |
| UK Immigration by Country | 0 | - | 4.94 | 141,458 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,584 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,754 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,948 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,249 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,063 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,548 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,903 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,489 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,503 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,647 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,220 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,613 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,558 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,629 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,524 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,684 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,604 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,805 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,473 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,347 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,616 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,707 |
| Germany Country Quiz | 0 | - | 4.83 | 158,561 |
| Russia Country Quiz | 0 | - | 4.83 | 115,137 |
| Japan Country Quiz | 0 | - | 4.93 | 143,093 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,657 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,618 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,201 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,271 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,504 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,006 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,519 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,439 |
| States of Brazil | 0 | - | 4.97 | 89,206 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,533 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,316 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,602 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,828 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,513 |
| Countries with Megacities | 0 | - | 4.99 | 266,006 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,300 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,771 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,556 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,896 |
