| Countries of North America Quiz | 0 | - | 5.00 | 1,020,545 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,359 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,930 |
| Central American Countries | 0 | - | 4.98 | 155,887 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,320 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,210 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,879 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,153 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,362 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,089 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,185 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,100 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,145 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,447 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,226 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,785 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,421 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,519 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,243 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,730 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,989 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,340 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,510 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,256 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,022 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,066 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,931 |
| The Only American Country ... | 0 | - | 4.92 | 121,402 |
| European Countries with One Border | 0 | - | 4.97 | 182,510 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,316 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,536 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,485 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,703 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,324 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,493 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,922 |
| Countries That Border Russia | 0 | - | 4.98 | 461,096 |
| Countries Bordering France | 0 | - | 4.83 | 401,882 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,601 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,898 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,465 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| States of Mexico | 0 | - | 4.95 | 175,499 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,593 |
| Countries of Africa | 0 | - | 5.00 | 2,530,077 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,535 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,264 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,601 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,829 |
| The Only European Country ... | 0 | - | 4.91 | 215,983 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,733 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,329 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,768 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,579 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,448 |
| Countries Bordering India | 0 | - | 4.98 | 163,322 |
| Countries that Border China | 0 | - | 4.96 | 262,849 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,752 |
| Countries that Border Poland | 0 | - | 4.99 | 172,052 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,640 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,162 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,203 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,688 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,960 |
| U.S. States By Population | 0 | - | 4.92 | 153,005 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,185 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,376 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,101 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,459 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,773 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,511 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,044 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,425 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,113 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,131 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,199 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,690 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,147 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,326 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,797 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,761 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,017 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,559 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,195 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,699 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,164 |
| Countries of the Middle East | 0 | - | 4.96 | 200,732 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,000 |
| Slavic Countries | 0 | - | 4.96 | 111,488 |
| African Island Countries | 0 | - | 4.96 | 101,423 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,788 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,652 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,274 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,158 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,423 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,525 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,083 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,968 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,384 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,996 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,970 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,806 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,587 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,628 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,100 |
| Canada Country Quiz | 0 | - | 4.54 | 132,320 |
| United States Country Quiz | 0 | - | 4.43 | 101,311 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,313 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,287 |
| Flags of North and South America | 0 | - | 4.99 | 371,900 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,596 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,336 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,414 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,267 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,825 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,419 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,499 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,010 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,616 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,282 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,725 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,046 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,931 |
| Monarchies of Europe | 0 | - | 4.90 | 97,949 |
| Monarchies of Asia | 0 | - | 4.97 | 70,978 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,775 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,292 |
| The Only African Country ... | 0 | - | 4.98 | 128,925 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,058 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,636 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,247 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,773 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,847 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,985 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,823 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,847 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,758 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,544 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,031 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,441 |
| Territories of the United States | 0 | - | 4.79 | 52,333 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,515 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,571 |
| UK Immigration by Country | 0 | - | 4.94 | 140,673 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,716 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,008 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,446 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,945 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,339 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 130,686 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,305 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,123 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,275 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,933 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,708 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,881 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,783 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,819 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,159 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,942 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,333 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,498 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,946 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,777 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,288 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,948 |
| Germany Country Quiz | 0 | - | 4.82 | 157,575 |
| Russia Country Quiz | 0 | - | 4.85 | 114,277 |
| Italy Country Quiz | 0 | - | 4.82 | 123,193 |
| Japan Country Quiz | 0 | - | 4.93 | 142,209 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,458 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,238 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,015 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,188 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,293 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,673 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,413 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,863 |
| States of Brazil | 0 | - | 4.97 | 87,641 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,666 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,777 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,054 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,665 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,972 |
| Countries with Megacities | 0 | - | 4.99 | 258,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,844 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,962 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,128 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,967 |
