| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,385 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,435 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,733 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,565 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,151 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,617 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,196 |
| Countries of Africa | 0 | - | 5.00 | 2,530,404 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,170 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,106 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,177 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,393 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,102 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,078 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,449 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,436 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,565 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,538 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,395 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,623 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,851 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,196 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,757 |
| Countries of the Middle East | 0 | - | 4.96 | 200,755 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,013 |
| The Only European Country ... | 0 | - | 4.91 | 216,021 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,769 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| African Island Countries | 0 | - | 4.96 | 101,439 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,257 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,790 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,583 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,668 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,289 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,190 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,666 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,439 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,539 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,513 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,094 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,394 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,014 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,979 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,822 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,090 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,448 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,520 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,031 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,643 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,347 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,586 |
| UK Immigration by Country | 0 | - | 4.94 | 140,685 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,175 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,737 |
| Central American Countries | 0 | - | 4.98 | 155,900 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,331 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,908 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,062 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,946 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,026 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,463 |
| Vietnam War Countries | 0 | - | 4.82 | 94,086 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,243 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,990 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,366 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 131,424 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,942 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,322 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,940 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,129 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,032 |
| Monarchies of Europe | 0 | - | 4.90 | 97,969 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,943 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,066 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,254 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,716 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,781 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,326 |
| The Only African Country ... | 0 | - | 4.98 | 128,944 |
| The Only American Country ... | 0 | - | 4.92 | 121,410 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,062 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,915 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,800 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,651 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,673 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,265 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,788 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,839 |
| Countries That Border Russia | 0 | - | 4.98 | 461,142 |
| European Countries with One Border | 0 | - | 4.97 | 182,528 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,330 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,890 |
| Countries Bordering France | 0 | - | 4.83 | 401,926 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,648 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,508 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,959 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,784 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,295 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,005 |
| Germany Country Quiz | 0 | - | 4.82 | 157,598 |
| Russia Country Quiz | 0 | - | 4.85 | 114,290 |
| Italy Country Quiz | 0 | - | 4.82 | 123,217 |
| Japan Country Quiz | 0 | - | 4.93 | 142,227 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,474 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,243 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,016 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,297 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,683 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,553 |
| Random European Capital to Country | 0 | - | 4.98 | 190,638 |
| Random European Country to Capital | 0 | - | 4.93 | 164,638 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,224 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,604 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,047 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,772 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,114 |
| Hindu Countries | 0 | - | 4.86 | 50,015 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,282 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,332 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,386 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,284 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,136 |
| Every European Country Shape | 0 | - | 4.96 | 201,330 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,572 |
| Every African Country Shape | 0 | - | 4.90 | 87,040 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,153 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,493 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,098 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,455 |
| Countries Bordering India | 0 | - | 4.98 | 163,327 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,098 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,192 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,102 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,445 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,152 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,449 |
| Countries that Border China | 0 | - | 4.96 | 262,870 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,233 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,787 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,430 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,526 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,259 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,731 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,998 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,759 |
| Countries that Border Poland | 0 | - | 4.99 | 172,062 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,357 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,525 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,333 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,044 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,921 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,259 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,517 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,795 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,651 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,725 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,856 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,092 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,390 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,416 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,419 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,031 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,263 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,931 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,885 |
| Countries Closest to India | 0 | - | 4.97 | 102,641 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,468 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,730 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,843 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,705 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,436 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,552 |
| Countries that Beat China | 0 | - | 4.86 | 115,506 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,476 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,621 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,635 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,416 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,417 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,945 |
| Random European Flag to Country | 0 | - | 4.89 | 181,980 |
| Random African Flag to Country | 0 | - | 4.88 | 74,688 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,845 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,871 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,066 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,705 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,281 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,993 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,109 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,917 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,130 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,974 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,653 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,178 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,073 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,331 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,627 |
