| Countries that Bordered the USSR | 0 | - | 4.94 | 153,878 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,525 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,289 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 223,281 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 88,253 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,763 |
| UK Immigration by Country | 0 | - | 4.94 | 126,276 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 82,548 |
| Most Forested European Countries | 0 | - | 4.82 | 68,793 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 148,996 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 180,546 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 87,866 |
| Flags of Countries That Border France | 0 | - | 4.90 | 113,247 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 120,237 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,114 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 100,302 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,505 |
| Every European Country Shape | 0 | - | 4.95 | 172,488 |
| Countries of Africa | 0 | - | 5.00 | 2,194,078 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 136,542 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 67,829 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 63,459 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 65,495 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,747 |
| Countries of the Soviet Union | 0 | - | 4.98 | 185,580 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,116 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,493 |
| The Only European Country ... | 0 | - | 4.93 | 181,063 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,381 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,047 |
| Countries of Europe After World War II | 0 | - | 4.98 | 172,160 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 140,735 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,198,008 |
| Biggest British Empire Countries | 0 | - | 4.70 | 80,029 |
| Biggest French Empire Countries | 0 | - | 4.46 | 51,600 |
| Countries of North America Quiz | 0 | - | 5.00 | 889,322 |
| Countries Bordering Brazil | 0 | - | 4.96 | 124,442 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 74,925 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,763 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,277 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,030 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,562 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,973 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,293 |
| Europe Capital to Country | 0 | - | 4.99 | 221,741 |
| EU Capitals with No Hints | 0 | - | 4.96 | 125,975 |
| European Capitals by Map | 0 | - | 4.99 | 95,954 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,769 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,163 |
| European Coastal Capitals | 0 | - | 4.95 | 77,898 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 195,598 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,556 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 188,616 |
| Countries of the Middle East | 0 | - | 4.96 | 175,510 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,701 |
| Slavic Countries | 0 | - | 4.96 | 101,158 |
| African Island Countries | 0 | - | 4.96 | 90,379 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,018 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,526 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,663 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,729 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,079 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 141,909 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,565 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,432 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,523 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,840 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,672 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,634 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,592 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 89,779 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.90 | 62,404 |
| Biggest Trading Partners - Germany | 0 | - | 4.98 | 63,260 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 50,616 |
| UK Cities Map Quiz | 0 | - | 4.94 | 436,091 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 162,848 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,200 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,798 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,103 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,842 |
| Official Cities in the UK | 0 | - | 4.86 | 234,602 |
| Important Cities in European History | 0 | - | 4.55 | 110,222 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,877 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,410 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,323 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,421 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,658 |
| Countries of Asia in 1900 | 0 | - | 4.49 | 53,759 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,482 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,558 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,824 |
| Monarchies of Europe | 0 | - | 4.88 | 87,631 |
| Monarchies of Asia | 0 | - | 4.95 | 54,452 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,195 |
| The Only African Country ... | 0 | - | 4.99 | 117,477 |
| The Only American Country ... | 0 | - | 4.94 | 110,599 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,887 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,542 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,721 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,063 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,319 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,579 |
| European Countries with One Border | 0 | - | 4.96 | 151,822 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,457 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 88,973 |
| Flags of Countries that Border China | 0 | - | 4.93 | 82,290 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,040 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 178,288 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,519 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,331 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,058 |
| Central American Countries | 0 | - | 4.98 | 140,508 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,951 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,449 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 85,417 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,954 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,097 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,563 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 102,645 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,192 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 92,796 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,867 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 71,136 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,065 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,357 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,076 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,938 |
| Countries That Border Russia | 0 | - | 4.98 | 428,933 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,115 |
| Countries Bordering France | 0 | - | 4.87 | 359,760 |
| Countries Bordering Germany | 0 | - | 4.99 | 342,755 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 84,677 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 60,507 |
| Countries Closest to Australia | 0 | - | 4.99 | 146,218 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,282 |
| Germany Country Quiz | 0 | - | 4.82 | 141,543 |
| Russia Country Quiz | 0 | - | 4.84 | 104,203 |
| Italy Country Quiz | 0 | - | 4.81 | 110,197 |
| Japan Country Quiz | 0 | - | 4.92 | 120,506 |
| Indonesia Country Quiz | 0 | - | 4.82 | 66,630 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,782 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,772 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 98,958 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,481 |
| South China Sea Countries | 0 | - | 4.81 | 54,085 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,787 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,683 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,066 |
| Holy Roman Empire Countries | 0 | - | 4.58 | 42,161 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 33,592 |
| Every Asian Country Shape | 0 | - | 4.94 | 76,105 |
| Every African Country Shape | 0 | - | 4.88 | 70,879 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.83 | 51,790 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,944 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 82,386 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 68,403 |
| Countries Bordering India | 0 | - | 4.98 | 156,530 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,024 |
| Countries Bordering Austria | 0 | - | 4.97 | 110,706 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,616 |
| Countries Bordering Iran | 0 | - | 4.82 | 88,745 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 60,478 |
| Countries that Border China | 0 | - | 4.96 | 234,577 |
| Countries that Border Iraq | 0 | - | 4.97 | 102,136 |
| Countries Bordering Kenya | 0 | - | 4.85 | 58,405 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 71,492 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 112,469 |
| Countries Bordering Serbia | 0 | - | 4.95 | 83,797 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,474 |
| Countries Bordering Turkey | 0 | - | 4.98 | 109,522 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,076 |
| Countries that Border Poland | 0 | - | 4.99 | 159,658 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,380 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,538 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 70,016 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 53,826 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,263 |
| Countries Closest to Spain | 0 | - | 4.95 | 207,340 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,447 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 87,385 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,681 |
| Countries Closest to Cyprus | 0 | - | 4.81 | 45,936 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 86,071 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,377 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.83 | 61,574 |
| Countries Closest to Turkey | 0 | - | 4.94 | 107,119 |
| Countries Closest to India | 0 | - | 4.96 | 94,861 |
| Countries Closest to Japan | 0 | - | 4.93 | 128,110 |
| Countries Closest to Italy | 0 | - | 4.97 | 180,755 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 63,897 |
| Biggest Trading Partners - Russia | 0 | - | 4.56 | 34,185 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,443 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,578 |
| Europe Map Quiz | 0 | - | 5.00 | 4,325,436 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,365 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,427 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,623 |
| Countries with Megacities | 0 | - | 4.99 | 199,808 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,410 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,004 |
