| Countries that Bordered the USSR | 0 | - | 4.93 | 165,467 |
| Countries That Border Russia | 0 | - | 4.98 | 461,973 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,099 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,016 |
| Countries that Border Poland | 0 | - | 4.99 | 172,356 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,513 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,614 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,284 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,029 |
| Countries Bordering France | 0 | - | 4.83 | 402,764 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,615 |
| UK Immigration by Country | 0 | - | 4.94 | 140,992 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,931 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,580 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,541 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,339 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,209 |
| Russia Country Quiz | 0 | - | 4.83 | 114,555 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,930 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,708 |
| Random European Capital to Country | 0 | - | 4.98 | 191,012 |
| Random European Country to Capital | 0 | - | 4.93 | 165,230 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,644 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,694 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,097 |
| Every European Country Shape | 0 | - | 4.96 | 201,926 |
| Countries of Africa | 0 | - | 5.00 | 2,539,800 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,824 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,323 |
| Countries Bordering India | 0 | - | 4.98 | 163,458 |
| Countries that Border China | 0 | - | 4.96 | 263,291 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,472 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,903 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,199 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,862 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,211 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,666 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,913 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,387 |
| The Only European Country ... | 0 | - | 4.91 | 216,902 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,439 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,290 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,683 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,518 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,676 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,368 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,063 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,190 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,139 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,784 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,709 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,369 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,233 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,806 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,284 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,580 |
| Europe Capital to Country | 0 | - | 4.99 | 250,506 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,995 |
| European Capitals by Map | 0 | - | 4.99 | 139,442 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,144 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,489 |
| European Coastal Capitals | 0 | - | 4.95 | 90,668 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,204 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,927 |
| Countries of the Middle East | 0 | - | 4.96 | 201,308 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,378 |
| Slavic Countries | 0 | - | 4.96 | 111,733 |
| African Island Countries | 0 | - | 4.96 | 101,712 |
| Random European Flag to Country | 0 | - | 4.89 | 182,653 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,991 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,573 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,630 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,111 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,747 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,827 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,647 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,281 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,269 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,646 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,320 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,215 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,054 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,326 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,449 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,420 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,528 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,804 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,765 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,972 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,428 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,904 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,476 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,804 |
| Official Cities in the UK | 0 | - | 4.89 | 284,042 |
| Cities in European History #1 | 0 | - | 4.63 | 134,076 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,096 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,365 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,220 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,337 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,955 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,034 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,378 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,175 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,124 |
| Monarchies of Europe | 0 | - | 4.90 | 98,208 |
| Monarchies of Asia | 0 | - | 4.97 | 71,130 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,928 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,005 |
| The Only African Country ... | 0 | - | 4.99 | 129,166 |
| The Only American Country ... | 0 | - | 4.92 | 121,682 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,153 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,815 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,923 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,646 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,077 |
| European Countries with One Border | 0 | - | 4.97 | 182,895 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,682 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,557 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,261 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,946 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,814 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,216 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,207 |
| Central American Countries | 0 | - | 4.98 | 156,552 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,729 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,312 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,659 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,299 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,667 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,868 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,257 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,546 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,274 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,123 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,891 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,199 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,093 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,026 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,082 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,610 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,159 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,017 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,421 |
| Germany Country Quiz | 0 | - | 4.83 | 157,959 |
| Japan Country Quiz | 0 | - | 4.93 | 142,571 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,391 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,367 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,800 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,650 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,740 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,545 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,507 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,811 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,287 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,131 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,467 |
| Most Forested European Countries | 0 | - | 4.80 | 75,377 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,427 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,436 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,489 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,639 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,810 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,801 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,941 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,847 |
| Every African Country Shape | 0 | - | 4.90 | 87,442 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,146 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,324 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,276 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,366 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,175 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,322 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,561 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,409 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,890 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,581 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,682 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,783 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,202 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,768 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,841 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,493 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,191 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,415 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,899 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,113 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,892 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,031 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,214 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,627 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,608 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,434 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,988 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,133 |
| Countries Closest to India | 0 | - | 4.97 | 102,834 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,704 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,147 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,978 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,529 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,751 |
