| United States Map Quiz | 0 | - | 4.98 | 4,141,922 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,680 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,343 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,782 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,999 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,817 |
| Central American Countries | 0 | - | 4.98 | 155,058 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,565 |
| The Only European Country ... | 0 | - | 4.91 | 213,840 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,154 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,934 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,090 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,544 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries of Africa | 0 | - | 5.00 | 2,507,975 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,494 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,470 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,857 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,361 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,085 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,822 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,338 |
| Countries of the Middle East | 0 | - | 4.96 | 198,929 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,270 |
| Slavic Countries | 0 | - | 4.96 | 110,860 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,493 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,114 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,717 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,765 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,166 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,581 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,279 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,419 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,250 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,971 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,244 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,233 |
| Flags of North and South America | 0 | - | 4.99 | 367,259 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,932 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,584 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,937 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,268 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,805 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,165 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,967 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,002 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,859 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,992 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,878 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,125 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,204 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,369 |
| Monarchies of Europe | 0 | - | 4.90 | 97,321 |
| Monarchies of Asia | 0 | - | 4.97 | 70,606 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| 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 | 136,395 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,048 |
| European Countries with One Border | 0 | - | 4.97 | 181,632 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,524 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,112 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,452 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,092 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,971 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,874 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,208 |
| Countries with Megacities | 0 | - | 4.99 | 246,895 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,113 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,963 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,524 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,852 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| UK Immigration by Country | 0 | - | 4.94 | 139,645 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,552 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,884 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,570 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,272 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,863 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,264 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,365 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,253 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,799 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,777 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,455 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,216 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,250 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,122 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,493 |
| Countries That Border Russia | 0 | - | 4.98 | 458,926 |
| Countries Bordering France | 0 | - | 4.83 | 399,130 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,059 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,218 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,510 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,203 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Germany Country Quiz | 0 | - | 4.82 | 156,552 |
| Russia Country Quiz | 0 | - | 4.85 | 113,637 |
| Italy Country Quiz | 0 | - | 4.82 | 122,212 |
| Japan Country Quiz | 0 | - | 4.92 | 141,250 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,150 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,854 |
| 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 | 47,386 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,897 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,798 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,992 |
| States of Mexico | 0 | - | 4.95 | 173,351 |
| States of Brazil | 0 | - | 4.98 | 86,390 |
| 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 | 365,277 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,059 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,632 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,510 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,329 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,357 |
| Asia Map Quiz | 0 | - | 4.99 | 907,052 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,208 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,453 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,072 |
| Random European Capital to Country | 0 | - | 4.98 | 189,214 |
| Random European Country to Capital | 0 | - | 4.92 | 147,452 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,402 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,419 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,329 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,015 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,855 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,152 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,281 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,488 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,337 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,784 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,462 |
| Every European Country Shape | 0 | - | 4.96 | 200,183 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,711 |
| Every African Country Shape | 0 | - | 4.90 | 86,124 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,179 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,156 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,681 |
| Countries Bordering India | 0 | - | 4.98 | 162,604 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,701 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,780 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,928 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,789 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,216 |
| Countries that Border China | 0 | - | 4.96 | 261,821 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,852 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,532 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,083 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,229 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,751 |
| 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 | 171,356 |
| 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 | 74,276 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,537 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,314 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,381 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,509 |
| 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 | 103,966 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,754 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,349 |
| Countries Closest to India | 0 | - | 4.97 | 102,210 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,913 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,335 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,535 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,111 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,109 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,319 |
| Canada Country Quiz | 0 | - | 4.54 | 131,717 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,618 |
| United States Country Quiz | 0 | - | 4.43 | 100,585 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,761 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,412 |
