| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,583 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,569 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,965 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,647 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,248 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,721 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,381 |
| Countries of Africa | 0 | - | 5.00 | 2,536,175 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,358 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,232 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,703 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,591 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,249 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,186 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,726 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,242 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,527 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,984 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,607 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,432 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,806 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,196 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,648 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,861 |
| Countries of the Middle East | 0 | - | 4.96 | 201,131 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,258 |
| The Only European Country ... | 0 | - | 4.91 | 216,560 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,202 |
| Slavic Countries | 0 | - | 4.96 | 111,636 |
| African Island Countries | 0 | - | 4.96 | 101,610 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,452 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,081 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,647 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,871 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,912 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,866 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,491 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,472 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,937 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,644 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,715 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,597 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,209 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,181 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,566 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,207 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,131 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,972 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,241 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,835 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,798 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,288 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,804 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,415 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,724 |
| UK Immigration by Country | 0 | - | 4.94 | 140,875 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,246 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,881 |
| Central American Countries | 0 | - | 4.98 | 156,427 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,614 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,996 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,265 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,095 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,206 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,587 |
| Vietnam War Countries | 0 | - | 4.82 | 94,205 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,946 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,358 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,574 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,266 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,154 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,475 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,068 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,219 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,144 |
| Monarchies of Europe | 0 | - | 4.90 | 98,124 |
| Monarchies of Asia | 0 | - | 4.97 | 71,080 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,062 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,341 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,521 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,827 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,876 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,785 |
| The Only African Country ... | 0 | - | 4.99 | 129,087 |
| The Only American Country ... | 0 | - | 4.92 | 121,585 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,117 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,093 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,980 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,772 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,833 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,494 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,976 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,953 |
| Countries That Border Russia | 0 | - | 4.98 | 461,671 |
| European Countries with One Border | 0 | - | 4.97 | 182,750 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,551 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,023 |
| Countries Bordering France | 0 | - | 4.83 | 402,480 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,343 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,568 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,084 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,930 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,375 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,186 |
| Germany Country Quiz | 0 | - | 4.82 | 157,821 |
| Russia Country Quiz | 0 | - | 4.85 | 114,454 |
| Italy Country Quiz | 0 | - | 4.82 | 123,385 |
| Japan Country Quiz | 0 | - | 4.93 | 142,445 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,754 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,329 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,061 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,336 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,762 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,644 |
| Random European Capital to Country | 0 | - | 4.98 | 190,875 |
| Random European Country to Capital | 0 | - | 4.93 | 165,084 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,436 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,737 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,102 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,959 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,154 |
| Hindu Countries | 0 | - | 4.86 | 50,132 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,375 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,399 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,441 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,769 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,617 |
| Every European Country Shape | 0 | - | 4.96 | 201,559 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,694 |
| Every African Country Shape | 0 | - | 4.90 | 87,272 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,417 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,942 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,258 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,698 |
| Countries Bordering India | 0 | - | 4.98 | 163,421 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,209 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,305 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,153 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,555 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,264 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,521 |
| Countries that Border China | 0 | - | 4.96 | 263,122 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,337 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,856 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,528 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,637 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,378 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,762 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,132 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,851 |
| Countries that Border Poland | 0 | - | 4.99 | 172,253 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,638 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,745 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,426 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,135 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,092 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,375 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,588 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,862 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,943 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,837 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,963 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,169 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,566 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,543 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,541 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,321 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,395 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,973 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,050 |
| Countries Closest to India | 0 | - | 4.97 | 102,766 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,622 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,013 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,926 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,806 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,557 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,404 |
| Countries that Beat China | 0 | - | 4.85 | 115,791 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,769 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,822 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,712 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,512 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,449 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,067 |
| Random European Flag to Country | 0 | - | 4.89 | 182,372 |
| Random African Flag to Country | 0 | - | 4.88 | 74,898 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,006 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 97,008 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,230 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,875 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,384 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,145 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,309 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,024 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,251 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,093 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,851 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,330 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,161 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,457 |
