| Countries of North America Quiz | 0 | - | 5.00 | 1,011,831 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,963 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,043 |
| Central American Countries | 0 | - | 4.98 | 155,070 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,960 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,500 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,011 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,966 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,705 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,784 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,933 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,793 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,220 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,854 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,535 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,089 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,235 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,765 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,309 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,495 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,490 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,869 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,366 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,919 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,353 |
| The Only American Country ... | 0 | - | 4.92 | 120,767 |
| European Countries with One Border | 0 | - | 4.97 | 181,644 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,540 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,587 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,834 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,987 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,881 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,236 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,093 |
| Countries That Border Russia | 0 | - | 4.98 | 458,949 |
| Countries Bordering France | 0 | - | 4.83 | 399,216 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,081 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,944 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,803 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,011 |
| States of Mexico | 0 | - | 4.95 | 173,364 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,293 |
| Countries of Africa | 0 | - | 5.00 | 2,508,215 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,026 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,563 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,824 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| The Only European Country ... | 0 | - | 4.91 | 213,884 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,168 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,077 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,564 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,106 |
| Countries Bordering India | 0 | - | 4.98 | 162,608 |
| Countries that Border China | 0 | - | 4.96 | 261,831 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,461 |
| Countries that Border Poland | 0 | - | 4.99 | 171,368 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,747 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,376 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,684 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,928 |
| U.S. States By Population | 0 | - | 4.92 | 152,382 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,415 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,871 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,910 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,892 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,889 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,500 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,073 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,665 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,110 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,153 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,352 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,947 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,478 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,973 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,549 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,892 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,909 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,332 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,369 |
| Countries of the Middle East | 0 | - | 4.96 | 198,945 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,277 |
| Slavic Countries | 0 | - | 4.96 | 110,872 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,726 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,131 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,640 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,723 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,777 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,173 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,587 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,288 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,430 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,265 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,678 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,831 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,738 |
| Canada Country Quiz | 0 | - | 4.54 | 131,729 |
| United States Country Quiz | 0 | - | 4.43 | 100,597 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,309 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,248 |
| Flags of North and South America | 0 | - | 4.99 | 367,339 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,110 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,942 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,326 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,913 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,990 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,017 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,871 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,999 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,302 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,370 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,375 |
| Monarchies of Europe | 0 | - | 4.90 | 97,335 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| The Only African Country ... | 0 | - | 4.99 | 128,372 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,782 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,048 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,409 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,060 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,119 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,889 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,118 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,033 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| North America Cities by Map | 0 | - | 4.41 | 47,616 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,477 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,435 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,349 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,861 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,753 |
| Territories of the United States | 0 | - | 4.79 | 52,146 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,228 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,384 |
| UK Immigration by Country | 0 | - | 4.94 | 139,664 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,901 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,281 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,870 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,271 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,369 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,259 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,810 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,780 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,070 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,462 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,220 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,259 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,127 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,498 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,915 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,266 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,093 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,224 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,516 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,209 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,982 |
| Germany Country Quiz | 0 | - | 4.82 | 156,571 |
| Russia Country Quiz | 0 | - | 4.85 | 113,649 |
| Italy Country Quiz | 0 | - | 4.82 | 122,227 |
| Japan Country Quiz | 0 | - | 4.92 | 141,277 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,179 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,858 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,824 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,085 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,041 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,388 |
| States of Brazil | 0 | - | 4.98 | 86,395 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,978 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,162 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,182 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,670 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,261 |
| Countries with Megacities | 0 | - | 4.99 | 246,973 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,149 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,991 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,566 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,889 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,726 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,717 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,600 |
