| Countries of North America Quiz | 0 | - | 5.00 | 1,011,660 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| The Only American Country ... | 0 | - | 4.92 | 120,761 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,992 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,816 |
| Central American Countries | 0 | - | 4.98 | 155,054 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,564 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,871 |
| The Only European Country ... | 0 | - | 4.91 | 213,839 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,148 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,537 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries of Africa | 0 | - | 5.00 | 2,507,912 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,877 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,073 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,277 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,680 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,856 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,360 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,080 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,230 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,295 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,782 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,332 |
| Countries of the Middle East | 0 | - | 4.96 | 198,926 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Slavic Countries | 0 | - | 4.96 | 110,859 |
| African Island Countries | 0 | - | 4.96 | 100,792 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,492 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,112 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,629 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,762 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,577 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,276 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,247 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,508 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,966 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,232 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,227 |
| Flags of North and South America | 0 | - | 4.99 | 367,240 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,919 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,294 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,491 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,733 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,582 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,922 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,264 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,622 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,794 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,959 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,854 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,990 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,596 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,872 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,201 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| Monarchies of Europe | 0 | - | 4.90 | 97,314 |
| Monarchies of Asia | 0 | - | 4.97 | 70,603 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,776 |
| The Only African Country ... | 0 | - | 4.99 | 128,367 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,778 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,042 |
| European Countries with One Border | 0 | - | 4.97 | 181,629 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,522 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,109 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,387 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,969 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,871 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,961 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,200 |
| Countries with Megacities | 0 | - | 4.99 | 246,885 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,104 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,961 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,517 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,850 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,399 |
| UK Immigration by Country | 0 | - | 4.94 | 139,641 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,552 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,380 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,566 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,269 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,863 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,471 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,262 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,364 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,251 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,798 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,776 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,450 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,214 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,247 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,120 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,492 |
| Countries That Border Russia | 0 | - | 4.98 | 458,922 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,493 |
| Countries Bordering France | 0 | - | 4.83 | 399,108 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,056 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,218 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,506 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,201 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,795 |
| Germany Country Quiz | 0 | - | 4.82 | 156,547 |
| Russia Country Quiz | 0 | - | 4.85 | 113,635 |
| Italy Country Quiz | 0 | - | 4.82 | 122,206 |
| Japan Country Quiz | 0 | - | 4.92 | 141,244 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,146 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,853 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,820 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,038 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,385 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,897 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,795 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,972 |
| States of Mexico | 0 | - | 4.95 | 173,344 |
| States of Brazil | 0 | - | 4.98 | 86,389 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,965 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,156 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,274 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,045 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,628 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,309 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,480 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,316 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,328 |
| Asia Map Quiz | 0 | - | 4.99 | 907,037 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,204 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,069 |
| Random European Capital to Country | 0 | - | 4.98 | 189,211 |
| Random European Country to Capital | 0 | - | 4.92 | 147,450 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,401 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,413 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,328 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| Biggest British Empire Countries | 0 | - | 4.73 | 94,717 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,892 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,014 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,854 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,151 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,480 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,334 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,783 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,462 |
| Every European Country Shape | 0 | - | 4.96 | 200,174 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,705 |
| Every African Country Shape | 0 | - | 4.90 | 86,117 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,154 |
| Countries Bordering India | 0 | - | 4.98 | 162,603 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,701 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,777 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,928 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,787 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,215 |
| Countries that Border China | 0 | - | 4.96 | 261,819 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,850 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,530 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,082 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,228 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,749 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,306 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,492 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,452 |
| Countries that Border Poland | 0 | - | 4.99 | 171,354 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,939 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,704 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,271 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,534 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,307 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,380 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,508 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,807 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,892 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,956 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,753 |
