| Countries that Bordered the USSR | 0 | - | 4.93 | 164,553 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,994 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,210 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,399 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,049 |
| UK Immigration by Country | 0 | - | 4.94 | 139,735 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,410 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,518 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,322 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,284 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,316 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,120 |
| Random European Capital to Country | 0 | - | 4.98 | 189,313 |
| Random European Country to Capital | 0 | - | 4.92 | 147,534 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,897 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,308 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,625 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,812 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,425 |
| Every European Country Shape | 0 | - | 4.96 | 200,270 |
| Countries of Africa | 0 | - | 5.00 | 2,509,452 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,200 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,731 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,341 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,136 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,114 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,413 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,865 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,670 |
| Biggest British Empire Countries | 0 | - | 4.77 | 97,172 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,922 |
| The Only European Country ... | 0 | - | 4.91 | 213,992 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,250 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,655 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,238 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,363 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,760 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,264 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,314 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,359 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,332 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,668 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,609 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,865 |
| Europe Capital to Country | 0 | - | 4.99 | 248,040 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,556 |
| European Capitals by Map | 0 | - | 4.99 | 136,466 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,267 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,681 |
| European Coastal Capitals | 0 | - | 4.95 | 89,831 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,967 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,464 |
| Countries of the Middle East | 0 | - | 4.96 | 199,050 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,318 |
| Slavic Countries | 0 | - | 4.96 | 110,904 |
| African Island Countries | 0 | - | 4.96 | 100,837 |
| Random European Flag to Country | 0 | - | 4.89 | 180,996 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,801 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,553 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,207 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,690 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,748 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,839 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,170 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,200 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,342 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,624 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,328 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,462 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,297 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,531 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,547 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,814 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,515 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,074 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,912 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,030 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,645 |
| Official Cities in the UK | 0 | - | 4.89 | 280,732 |
| Cities in European History #1 | 0 | - | 4.63 | 133,198 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,456 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,174 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,747 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,807 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,248 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,644 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,416 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,387 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,394 |
| Monarchies of Europe | 0 | - | 4.90 | 97,368 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,452 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,881 |
| The Only African Country ... | 0 | - | 4.99 | 128,397 |
| The Only American Country ... | 0 | - | 4.92 | 120,807 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,793 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,274 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,076 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,456 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,098 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,397 |
| European Countries with One Border | 0 | - | 4.97 | 181,691 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,592 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,198 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,144 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,974 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,167 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,281 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,275 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,699 |
| Central American Countries | 0 | - | 4.98 | 155,119 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,696 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,323 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,900 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,083 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,237 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,403 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,286 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,130 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,841 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,801 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,495 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,252 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,289 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Countries That Border Russia | 0 | - | 4.98 | 459,055 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,525 |
| Countries Bordering France | 0 | - | 4.83 | 399,632 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,189 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,238 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,539 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,233 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,007 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,347 |
| Germany Country Quiz | 0 | - | 4.82 | 156,642 |
| Russia Country Quiz | 0 | - | 4.85 | 113,690 |
| Italy Country Quiz | 0 | - | 4.82 | 122,286 |
| Japan Country Quiz | 0 | - | 4.92 | 141,351 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,878 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,056 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 33,768 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,480 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,216 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,438 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,496 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,878 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,803 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,873 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,090 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,170 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,681 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,691 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,457 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,749 |
| Every African Country Shape | 0 | - | 4.90 | 86,175 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,129 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,197 |
| Countries Bordering India | 0 | - | 4.98 | 162,631 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,728 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,819 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,945 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,816 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,230 |
| Countries that Border China | 0 | - | 4.96 | 261,894 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,874 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,556 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,104 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,253 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,790 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,318 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,531 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,480 |
| Countries that Border Poland | 0 | - | 4.99 | 171,419 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,528 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,909 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,973 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,726 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,559 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,386 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,399 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,527 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,835 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,930 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,999 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,403 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,767 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,396 |
| Countries Closest to India | 0 | - | 4.97 | 102,231 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,953 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,390 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,552 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,144 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,354 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,303 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,012 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 178,581 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,659 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,797 |
