| Countries of the German Empire | 0 | - | 4.51 | 38,119 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,788 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,488 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,201 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,620 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,057 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,118 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,215 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,282 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,042 |
| Vietnam War Countries | 0 | - | 4.82 | 94,512 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,091 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,387 |
| UK Immigration by Country | 0 | - | 4.94 | 141,492 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,316 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,912 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,690 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,965 |
| Random European Capital to Country | 0 | - | 4.98 | 191,869 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,402 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,969 |
| Every European Country Shape | 0 | - | 4.96 | 202,642 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,556 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,583 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,678 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,157 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,042 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,322 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,640 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,774 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,367 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,309 |
| The Only European Country ... | 0 | - | 4.91 | 218,421 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,486 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,189 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,847 |
| Countries of Africa | 0 | - | 5.00 | 2,553,416 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,749 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,189 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,744 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,422 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,101 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,440 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,768 |
| Europe Capital to Country | 0 | - | 4.99 | 251,661 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,703 |
| European Capitals by Map | 0 | - | 4.99 | 141,521 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,017 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,380 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,892 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,278 |
| Countries of the Middle East | 0 | - | 4.96 | 202,299 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,958 |
| Slavic Countries | 0 | - | 4.96 | 112,197 |
| African Island Countries | 0 | - | 4.96 | 102,265 |
| Random European Flag to Country | 0 | - | 4.90 | 183,875 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,091 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,594 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,126 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,353 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,091 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,305 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,371 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,870 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,653 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,856 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,321 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,093 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,730 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,007 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,978 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,718 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,629 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,467 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,788 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,869 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,929 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,971 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,770 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,420 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,702 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,117 |
| Official Cities in the UK | 0 | - | 4.89 | 285,585 |
| Cities in European History #1 | 0 | - | 4.63 | 134,463 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,436 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,898 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,480 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,605 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,340 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,200 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,908 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,519 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,386 |
| Monarchies of Europe | 0 | - | 4.90 | 98,674 |
| Monarchies of Asia | 0 | - | 4.97 | 71,401 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,197 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,058 |
| The Only African Country ... | 0 | - | 4.99 | 129,520 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,321 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,199 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,342 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,253 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,615 |
| Countries That Border Russia | 0 | - | 4.98 | 463,972 |
| European Countries with One Border | 0 | - | 4.97 | 183,531 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,276 |
| Countries Bordering France | 0 | - | 4.83 | 404,406 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,368 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,642 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,691 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,746 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,460 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,158 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,177 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,775 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,961 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,855 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,581 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,100 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,624 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,644 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,917 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,700 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,499 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,882 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,657 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,227 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,661 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,591 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,643 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,354 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,816 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,485 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,365 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,628 |
| Germany Country Quiz | 0 | - | 4.83 | 158,594 |
| Russia Country Quiz | 0 | - | 4.83 | 115,155 |
| Japan Country Quiz | 0 | - | 4.93 | 143,116 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,636 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,511 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,018 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,885 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,543 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,729 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,738 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,285 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,294 |
| Hindu Countries | 0 | - | 4.87 | 50,478 |
| Most Forested European Countries | 0 | - | 4.80 | 75,590 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,635 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,616 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,689 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,515 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,838 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,334 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,144 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,172 |
| Every African Country Shape | 0 | - | 4.90 | 88,116 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,000 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,753 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,753 |
| Italy by Picture | 0 | - | 4.41 | 31,050 |
| Countries Bordering India | 0 | - | 4.98 | 163,725 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,902 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,849 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,657 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,144 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,946 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,762 |
| Countries that Border China | 0 | - | 4.96 | 264,004 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,004 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,067 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,078 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,590 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,927 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,874 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,783 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,127 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,174 |
| Countries that Border Poland | 0 | - | 4.99 | 172,970 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,231 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,306 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,263 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,725 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,433 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,548 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,803 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,080 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,829 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,147 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,290 |
