| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,125 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,320 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,496 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,913 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,530 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,980 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,942 |
| Countries of Africa | 0 | - | 5.00 | 2,550,753 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,041 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,691 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,157 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,088 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,666 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,374 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,047 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,402 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,716 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,107 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,763 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,848 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,521 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,546 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,018 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,134 |
| Countries of the Middle East | 0 | - | 4.96 | 202,115 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,840 |
| The Only European Country ... | 0 | - | 4.91 | 218,080 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,251 |
| Slavic Countries | 0 | - | 4.96 | 112,106 |
| African Island Countries | 0 | - | 4.96 | 102,153 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,982 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,031 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,808 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,031 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,040 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,473 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,021 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,215 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,952 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,206 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,273 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,829 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,582 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,766 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,234 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,989 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,639 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,899 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,898 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,833 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,619 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,245 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,603 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,709 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,038 |
| UK Immigration by Country | 0 | - | 4.94 | 141,374 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,452 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,278 |
| Central American Countries | 0 | - | 4.98 | 157,016 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,093 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,083 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,164 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,795 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,448 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,688 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,898 |
| Vietnam War Countries | 0 | - | 4.82 | 94,467 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,506 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,123 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,978 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,308 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,557 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,853 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,325 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,447 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,342 |
| Monarchies of Europe | 0 | - | 4.90 | 98,545 |
| Monarchies of Asia | 0 | - | 4.97 | 71,347 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,596 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,003 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,115 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,167 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,138 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,886 |
| The Only African Country ... | 0 | - | 4.99 | 129,447 |
| The Only American Country ... | 0 | - | 4.92 | 121,978 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,292 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,534 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,470 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,149 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,252 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,131 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,514 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,597 |
| Countries That Border Russia | 0 | - | 4.98 | 463,674 |
| European Countries with One Border | 0 | - | 4.97 | 183,402 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,169 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,299 |
| Countries Bordering France | 0 | - | 4.83 | 404,145 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,176 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,758 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,423 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,277 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,587 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,570 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,244 |
| Germany Country Quiz | 0 | - | 4.83 | 158,488 |
| Russia Country Quiz | 0 | - | 4.83 | 115,012 |
| Japan Country Quiz | 0 | - | 4.93 | 142,992 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,518 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,580 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,186 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,482 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,979 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,919 |
| Random European Capital to Country | 0 | - | 4.98 | 191,767 |
| Random European Country to Capital | 0 | - | 4.93 | 165,619 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,848 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,209 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,265 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,309 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,285 |
| Hindu Countries | 0 | - | 4.87 | 50,411 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,597 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,523 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,589 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,959 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,043 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,886 |
| Every European Country Shape | 0 | - | 4.96 | 202,494 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,115 |
| Every African Country Shape | 0 | - | 4.90 | 87,983 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,897 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,791 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,600 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,238 |
| Countries Bordering India | 0 | - | 4.98 | 163,682 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,852 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,786 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,625 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,070 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,856 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,724 |
| Countries that Border China | 0 | - | 4.96 | 263,838 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,934 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,026 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,013 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,425 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,844 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,859 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,702 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,125 |
| Countries that Border Poland | 0 | - | 4.99 | 172,848 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,182 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,181 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,669 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,377 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,579 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,515 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,765 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,040 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,667 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,087 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,239 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,359 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,895 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,902 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,865 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,813 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,071 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,059 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,719 |
| Countries Closest to India | 0 | - | 4.97 | 103,058 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,984 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,849 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,134 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,070 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,819 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,194 |
| Countries that Beat China | 0 | - | 4.85 | 116,406 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,302 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,212 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,883 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,800 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,508 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,947 |
| Random European Flag to Country | 0 | - | 4.90 | 183,581 |
| Random African Flag to Country | 0 | - | 4.88 | 75,367 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,345 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,649 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,892 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,563 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,646 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,492 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,827 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,386 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,554 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,403 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,322 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,703 |
