| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,752 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,536 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,718 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,246 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,132 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,179 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,160 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,420 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,158 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,319 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,731 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,570 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,861 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,695 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,636 |
| UK Immigration by Country | 0 | - | 4.94 | 140,673 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,945 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,766 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,460 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,546 |
| Random European Capital to Country | 0 | - | 4.98 | 190,622 |
| Random European Country to Capital | 0 | - | 4.93 | 164,574 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,429 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,560 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,046 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,240 |
| Every European Country Shape | 0 | - | 4.96 | 201,295 |
| Countries of Africa | 0 | - | 5.00 | 2,530,095 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,426 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,145 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,902 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,692 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,538 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,603 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,831 |
| The Only European Country ... | 0 | - | 4.91 | 215,985 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,735 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,384 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,770 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,579 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,709 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,100 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,606 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,374 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,090 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,071 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,413 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Europe Capital to Country | 0 | - | 4.99 | 249,551 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,572 |
| European Capitals by Map | 0 | - | 4.99 | 138,554 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,871 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,228 |
| European Coastal Capitals | 0 | - | 4.95 | 90,375 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,544 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,200 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,166 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,756 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,113 |
| Countries of the Middle East | 0 | - | 4.96 | 200,733 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,001 |
| Slavic Countries | 0 | - | 4.96 | 111,489 |
| African Island Countries | 0 | - | 4.96 | 101,425 |
| Random European Flag to Country | 0 | - | 4.89 | 181,957 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,548 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,655 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,275 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,162 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,639 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,423 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,527 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,510 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,084 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,969 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,386 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,998 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,971 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,807 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,074 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,502 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,011 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,617 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,577 |
| Official Cities in the UK | 0 | - | 4.89 | 283,044 |
| Cities in European History #1 | 0 | - | 4.63 | 133,796 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,885 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,977 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,072 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,163 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,102 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,725 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,906 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,049 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,931 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,931 |
| Monarchies of Europe | 0 | - | 4.90 | 97,950 |
| Monarchies of Asia | 0 | - | 4.97 | 70,981 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,776 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,293 |
| The Only African Country ... | 0 | - | 4.98 | 128,927 |
| The Only American Country ... | 0 | - | 4.92 | 121,402 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,059 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,636 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,247 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,774 |
| European Countries with One Border | 0 | - | 4.97 | 182,511 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,317 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,988 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,120 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,021 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,022 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,929 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,170 |
| Central American Countries | 0 | - | 4.98 | 155,887 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,321 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,010 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,447 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,211 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,341 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 130,729 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,922 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,308 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,123 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,934 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,708 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,883 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,783 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,821 |
| Countries That Border Russia | 0 | - | 4.98 | 461,100 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,879 |
| Countries Bordering France | 0 | - | 4.83 | 401,885 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,605 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,498 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,946 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,777 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,288 |
| Germany Country Quiz | 0 | - | 4.82 | 157,577 |
| Russia Country Quiz | 0 | - | 4.85 | 114,278 |
| Italy Country Quiz | 0 | - | 4.82 | 123,194 |
| Japan Country Quiz | 0 | - | 4.93 | 142,210 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,238 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,293 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,673 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,813 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,002 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,828 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,212 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,596 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,042 |
| Most Forested European Countries | 0 | - | 4.80 | 75,238 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,274 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,329 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,380 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,608 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,265 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,763 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,237 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,095 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,560 |
| Every African Country Shape | 0 | - | 4.90 | 87,016 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,449 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,073 |
| Countries Bordering India | 0 | - | 4.98 | 163,322 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,089 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,185 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,100 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,146 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,447 |
| Countries that Border China | 0 | - | 4.96 | 262,849 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,227 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,785 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,423 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,520 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,246 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,730 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,989 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,752 |
| Countries that Border Poland | 0 | - | 4.99 | 172,053 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,341 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,510 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,325 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,038 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,256 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,790 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,625 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,720 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,849 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,089 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,403 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,407 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,022 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,924 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,871 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,225 |
| Countries Closest to India | 0 | - | 4.97 | 102,634 |
