| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,470 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,355 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,170 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,652 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,579 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,602 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,665 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,314 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,672 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,901 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,558 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,289 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,486 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,295 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,127 |
| UK Immigration by Country | 0 | - | 4.94 | 139,898 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,551 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,704 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,505 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,189 |
| Random European Capital to Country | 0 | - | 4.98 | 189,490 |
| Random European Country to Capital | 0 | - | 4.92 | 147,657 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,020 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,355 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,969 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,577 |
| Every European Country Shape | 0 | - | 4.96 | 200,480 |
| Countries of Africa | 0 | - | 5.00 | 2,513,477 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,317 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,802 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,462 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,227 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,427 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,979 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,911 |
| The Only European Country ... | 0 | - | 4.91 | 214,417 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,560 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,266 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,910 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,362 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,631 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,835 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,338 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,508 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,484 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,763 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,674 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,925 |
| Europe Capital to Country | 0 | - | 4.99 | 248,363 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,783 |
| European Capitals by Map | 0 | - | 4.99 | 136,991 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,410 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,793 |
| European Coastal Capitals | 0 | - | 4.95 | 89,936 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,290 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,475 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,812 |
| Biggest British Empire Countries | 0 | - | 4.73 | 98,947 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,968 |
| Countries of the Middle East | 0 | - | 4.96 | 199,317 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,461 |
| Slavic Countries | 0 | - | 4.96 | 111,023 |
| African Island Countries | 0 | - | 4.96 | 100,939 |
| Random European Flag to Country | 0 | - | 4.89 | 181,204 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,307 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,986 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,687 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,382 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,871 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,896 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,960 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,234 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,303 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,483 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,714 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,464 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,560 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,415 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,640 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,264 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,108 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,137 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,910 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,749 |
| Official Cities in the UK | 0 | - | 4.89 | 281,199 |
| Cities in European History #1 | 0 | - | 4.63 | 133,343 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,563 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,342 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,809 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,881 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,736 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,333 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,683 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,533 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,467 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,542 |
| Monarchies of Europe | 0 | - | 4.90 | 97,490 |
| Monarchies of Asia | 0 | - | 4.97 | 70,694 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,515 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,176 |
| The Only African Country ... | 0 | - | 4.99 | 128,482 |
| The Only American Country ... | 0 | - | 4.92 | 120,913 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,834 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,330 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,172 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,610 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,249 |
| European Countries with One Border | 0 | - | 4.97 | 181,837 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,736 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,518 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,797 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,343 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,702 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,419 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,781 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,927 |
| Central American Countries | 0 | - | 4.98 | 155,252 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,815 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,453 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,985 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,502 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,500 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,400 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,216 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,930 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,855 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,581 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,353 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,397 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,274 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,570 |
| Countries That Border Russia | 0 | - | 4.98 | 459,675 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,597 |
| Countries Bordering France | 0 | - | 4.83 | 400,407 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,487 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,297 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,628 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,370 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,061 |
| Germany Country Quiz | 0 | - | 4.82 | 156,826 |
| Russia Country Quiz | 0 | - | 4.85 | 113,813 |
| Italy Country Quiz | 0 | - | 4.82 | 122,430 |
| Japan Country Quiz | 0 | - | 4.92 | 141,535 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,965 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,111 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,134 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,281 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,710 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,485 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,275 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,511 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,593 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,844 |
| Most Forested European Countries | 0 | - | 4.80 | 75,002 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,952 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,125 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,205 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,548 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,112 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,705 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,969 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,817 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,830 |
| Every African Country Shape | 0 | - | 4.90 | 86,353 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 78,154 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,270 |
| Countries Bordering India | 0 | - | 4.98 | 163,059 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,807 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,902 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,968 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,889 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,276 |
| Countries that Border China | 0 | - | 4.96 | 262,086 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,942 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,587 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,163 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,304 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,894 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,338 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,611 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,545 |
| Countries that Border Poland | 0 | - | 4.99 | 171,558 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,697 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,013 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,047 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,795 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,607 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,894 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,463 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,593 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,886 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,033 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,102 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,524 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,800 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,509 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,009 |
| Countries Closest to India | 0 | - | 4.97 | 102,317 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,042 |
