| Countries that Bordered the USSR | 0 | - | 4.93 | 166,461 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,894 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,077 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,324 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,444 |
| UK Immigration by Country | 0 | - | 4.94 | 141,717 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,331 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,312 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,707 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,004 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 110,261 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,071 |
| Random European Capital to Country | 0 | - | 4.98 | 192,147 |
| Random European Country to Capital | 0 | - | 4.93 | 165,899 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,565 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,029 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,849 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,403 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,470 |
| Every European Country Shape | 0 | - | 4.96 | 202,997 |
| Countries of Africa | 0 | - | 5.00 | 2,559,811 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,209 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,707 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,855 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,312 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,797 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,650 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,864 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,112 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,509 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,363 |
| The Only European Country ... | 0 | - | 4.91 | 219,011 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,943 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,509 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,916 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,528 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,848 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,152 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,406 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,892 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,525 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,196 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,515 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,859 |
| Europe Capital to Country | 0 | - | 4.99 | 252,082 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,979 |
| European Capitals by Map | 0 | - | 4.99 | 142,102 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,877 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,191 |
| European Coastal Capitals | 0 | - | 4.95 | 91,311 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,792 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,791 |
| Countries of the Middle East | 0 | - | 4.96 | 202,950 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,182 |
| Slavic Countries | 0 | - | 4.96 | 112,369 |
| African Island Countries | 0 | - | 4.96 | 102,447 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,472 |
| Random European Flag to Country | 0 | - | 4.90 | 184,216 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,824 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,321 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,607 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,367 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,512 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,525 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,959 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,794 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,056 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,718 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,269 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,916 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,152 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,130 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,982 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,017 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,999 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,063 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,715 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,873 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,847 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,245 |
| Official Cities in the UK | 0 | - | 4.89 | 286,266 |
| Cities in European History #1 | 0 | - | 4.63 | 134,608 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,588 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,120 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,585 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,712 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,262 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,094 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,671 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,511 |
| Monarchies of Europe | 0 | - | 4.90 | 98,876 |
| Monarchies of Asia | 0 | - | 4.97 | 71,504 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,290 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,513 |
| The Only African Country ... | 0 | - | 4.99 | 129,659 |
| The Only American Country ... | 0 | - | 4.92 | 122,215 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,380 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,287 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,690 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,496 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,840 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,874 |
| European Countries with One Border | 0 | - | 4.97 | 183,803 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,541 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,800 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,825 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,007 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,027 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,449 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,931 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,562 |
| Central American Countries | 0 | - | 4.98 | 157,335 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,598 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,407 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,978 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,099 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,474 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,636 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,336 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,297 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,836 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,040 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,102 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,577 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,819 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,339 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,884 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,793 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,744 |
| Countries That Border Russia | 0 | - | 4.98 | 464,502 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,468 |
| Countries Bordering France | 0 | - | 4.83 | 404,908 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,854 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,897 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,605 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,817 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,722 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,650 |
| Germany Country Quiz | 0 | - | 4.82 | 158,837 |
| Russia Country Quiz | 0 | - | 4.83 | 115,316 |
| Japan Country Quiz | 0 | - | 4.93 | 143,334 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,744 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,591 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,085 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,417 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,820 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,987 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,416 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,592 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,357 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,726 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,612 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,686 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,912 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,856 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,642 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,606 |
| Every African Country Shape | 0 | - | 4.90 | 88,384 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,153 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,005 |
| Countries Bordering India | 0 | - | 4.98 | 163,821 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,009 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,949 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,701 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,059 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,837 |
| Countries that Border China | 0 | - | 4.96 | 264,282 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,104 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,134 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,187 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,798 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,091 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,915 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,892 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,256 |
| Countries that Border Poland | 0 | - | 4.99 | 173,169 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,545 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,447 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,842 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,533 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,617 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,149 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,121 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,266 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,381 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,479 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,154 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,050 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,489 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,123 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,915 |
| Countries Closest to India | 0 | - | 4.97 | 103,233 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,210 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,387 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,264 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,448 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,999 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,550 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,231 |
