| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,579 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,567 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,965 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,644 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,247 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,720 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,378 |
| Countries of Africa | 0 | - | 5.00 | 2,536,103 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,353 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,232 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,698 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,589 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,248 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,185 |
| 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 | 104,978 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,606 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,426 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,804 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,194 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,643 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,861 |
| Countries of the Middle East | 0 | - | 4.96 | 201,125 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,253 |
| The Only European Country ... | 0 | - | 4.91 | 216,555 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,197 |
| Slavic Countries | 0 | - | 4.96 | 111,633 |
| African Island Countries | 0 | - | 4.96 | 101,605 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,449 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,077 |
| 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 | 1,022,885 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,863 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,490 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,466 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,933 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,639 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,712 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,597 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,207 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,179 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,565 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,206 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,130 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,969 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,241 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,833 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,793 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,285 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,803 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,415 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,720 |
| UK Immigration by Country | 0 | - | 4.94 | 140,874 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,245 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,877 |
| Central American Countries | 0 | - | 4.98 | 156,425 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,611 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,996 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,264 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,093 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,205 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,585 |
| Vietnam War Countries | 0 | - | 4.82 | 94,204 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,939 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,357 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,574 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,257 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,153 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,473 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,066 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,219 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,142 |
| Monarchies of Europe | 0 | - | 4.90 | 98,123 |
| 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 | 188,338 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,520 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,826 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,875 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,781 |
| The Only African Country ... | 0 | - | 4.99 | 129,084 |
| The Only American Country ... | 0 | - | 4.92 | 121,583 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,117 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,092 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,977 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,769 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,832 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,494 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,973 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,952 |
| Countries That Border Russia | 0 | - | 4.98 | 461,665 |
| European Countries with One Border | 0 | - | 4.97 | 182,750 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,548 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,021 |
| Countries Bordering France | 0 | - | 4.83 | 402,473 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,336 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,567 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,083 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,928 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,375 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,184 |
| Germany Country Quiz | 0 | - | 4.82 | 157,819 |
| Russia Country Quiz | 0 | - | 4.85 | 114,454 |
| Italy Country Quiz | 0 | - | 4.82 | 123,384 |
| Japan Country Quiz | 0 | - | 4.93 | 142,440 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,747 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,327 |
| 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 | 190,873 |
| Random European Country to Capital | 0 | - | 4.93 | 165,080 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,436 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,736 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,102 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,957 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,153 |
| Hindu Countries | 0 | - | 4.86 | 50,131 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,372 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,398 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,440 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,759 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,614 |
| 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 | 87,266 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,413 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,936 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,257 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,696 |
| Countries Bordering India | 0 | - | 4.98 | 163,420 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,209 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,301 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,152 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,554 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,262 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,521 |
| Countries that Border China | 0 | - | 4.96 | 263,119 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,335 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,851 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,526 |
| 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 | 117,129 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,851 |
| Countries that Border Poland | 0 | - | 4.99 | 172,252 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,636 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,743 |
| 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 | 75,091 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,373 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,587 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,862 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,942 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,836 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,961 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,168 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,564 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,541 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,541 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,315 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,393 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,971 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,049 |
| Countries Closest to India | 0 | - | 4.97 | 102,765 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,620 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,007 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,925 |
| 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 | 167,399 |
| Countries that Beat China | 0 | - | 4.85 | 115,789 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,763 |
| 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 | 330,051 |
| Random European Flag to Country | 0 | - | 4.89 | 182,370 |
| Random African Flag to Country | 0 | - | 4.88 | 74,896 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,004 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 97,006 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,227 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,874 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,381 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,144 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,306 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,024 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,248 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,091 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,846 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,325 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,161 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,455 |
