| Nordic Countries and Capitals | 0 | - | 4.95 | 83,516 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,133 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,671 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,977 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,869 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,331 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,126 |
| Countries Bordering France | 0 | - | 4.83 | 401,767 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,510 |
| UK Immigration by Country | 0 | - | 4.94 | 140,619 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,675 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,357 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,730 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,209 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,758 |
| Norway Country Quiz | 0 | - | 4.44 | 77,149 |
| Random European Capital to Country | 0 | - | 4.98 | 190,564 |
| Random European Country to Capital | 0 | - | 4.93 | 164,366 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,440 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,518 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,551 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,753 |
| The Only European Country ... | 0 | - | 4.91 | 215,877 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,646 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,692 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,535 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,559 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,988 |
| Every European Country Shape | 0 | - | 4.96 | 201,237 |
| Countries of Africa | 0 | - | 5.00 | 2,528,843 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,252 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,126 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,165 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,734 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,776 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,549 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,074 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,659 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,632 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,814 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,398 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,985 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,195 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,068 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,076 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,347 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,318 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,054 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,038 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,291 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,131 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,409 |
| Europe Capital to Country | 0 | - | 4.99 | 249,461 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,512 |
| European Capitals by Map | 0 | - | 4.99 | 138,430 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,834 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,196 |
| European Coastal Capitals | 0 | - | 4.95 | 90,335 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,460 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,057 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,722 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,099 |
| Countries of the Middle East | 0 | - | 4.96 | 200,663 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,949 |
| Slavic Countries | 0 | - | 4.96 | 111,450 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,374 |
| African Island Countries | 0 | - | 4.96 | 101,378 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,609 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,230 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,102 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,593 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,384 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,485 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,500 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,057 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,929 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,351 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,957 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,939 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,781 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,030 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,582 |
| Cities in European History #1 | 0 | - | 4.63 | 133,758 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,885 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,009 |
| Random European Flag to Country | 0 | - | 4.89 | 181,887 |
| Most-Visited Countries by the British | 0 | - | 4.64 | 68,459 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,099 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,272 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,701 |
| Scotland Trivia | 0 | - | 4.58 | 57,543 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,769 |
| Finland Country Quiz | 0 | - | 4.50 | 59,503 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,060 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,937 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,429 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,954 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,577 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,235 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,551 |
| Official Cities in the UK | 0 | - | 4.89 | 282,881 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,367 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,859 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,943 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,049 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,147 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,691 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,000 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,896 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,909 |
| Monarchies of Europe | 0 | - | 4.90 | 97,914 |
| Monarchies of Asia | 0 | - | 4.97 | 70,950 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,756 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,217 |
| The Only African Country ... | 0 | - | 4.98 | 128,890 |
| The Only American Country ... | 0 | - | 4.92 | 121,370 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,040 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,611 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,641 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,200 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,737 |
| Countries That Border Russia | 0 | - | 4.98 | 461,001 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,831 |
| European Countries with One Border | 0 | - | 4.97 | 182,458 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,269 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,650 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,847 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,049 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,955 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,600 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,355 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,981 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,518 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,887 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,856 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,026 |
| Central American Countries | 0 | - | 4.98 | 155,837 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,270 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,952 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,372 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,764 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,078 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,148 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 126,296 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,792 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,278 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,101 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,899 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,683 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,837 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,739 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,799 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,856 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,483 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,923 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,744 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,268 |
| Germany Country Quiz | 0 | - | 4.82 | 157,518 |
| Russia Country Quiz | 0 | - | 4.85 | 114,241 |
| Italy Country Quiz | 0 | - | 4.82 | 123,149 |
| Japan Country Quiz | 0 | - | 4.93 | 142,172 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,214 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,999 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,278 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,655 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,184 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,431 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,156 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,543 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,146 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,027 |
| Most Forested European Countries | 0 | - | 4.80 | 75,219 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,262 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,318 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,369 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,605 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,255 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,109 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,532 |
| Every African Country Shape | 0 | - | 4.90 | 86,950 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,185 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,888 |
| Countries Bordering India | 0 | - | 4.98 | 163,304 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,071 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,092 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,128 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,433 |
| Countries that Border China | 0 | - | 4.96 | 262,792 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,210 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,772 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,404 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,497 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,221 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,720 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,956 |
| Countries that Border Poland | 0 | - | 4.99 | 172,013 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,289 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,480 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,305 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,010 |
