| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,761 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,273 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,676 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,991 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,984 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,828 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,725 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,621 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,852 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,242 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,871 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,976 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,812 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,547 |
| The Only European Country ... | 0 | - | 4.91 | 213,821 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,133 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,527 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,204 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,700 |
| Countries of Africa | 0 | - | 5.00 | 2,507,753 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,953 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,797 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,273 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,860 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,737 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,609 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,485 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,060 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,218 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,287 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,263 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,606 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,560 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Asia Capital to Country | 0 | - | 4.96 | 125,752 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,182 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,313 |
| Countries of the Middle East | 0 | - | 4.96 | 198,906 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,255 |
| Slavic Countries | 0 | - | 4.96 | 110,854 |
| African Island Countries | 0 | - | 4.96 | 100,786 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,702 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,483 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,101 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,621 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,713 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,151 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,159 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,288 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,571 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,270 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,408 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,241 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,503 |
| Vietnam War Countries | 0 | - | 4.83 | 93,608 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,658 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,748 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,198 |
| Countries that Start with D | 0 | - | 4.96 | 701,461 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,438 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,685 |
| Countries that Start with H | 0 | - | 4.96 | 597,901 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,199 |
| Countries that Start with J | 0 | - | 4.98 | 595,963 |
| Countries that Start with K | 0 | - | 4.97 | 809,344 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,805 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,665 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,479 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,433 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,161 |
| Countries that Start with U | 0 | - | 4.97 | 899,884 |
| Countries that Start with V | 0 | - | 4.98 | 605,057 |
| Countries that Start with F | 0 | - | 4.83 | 612,138 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,246 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,680 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,949 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,846 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,589 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,174 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,447 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,194 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,377 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,357 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,336 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,468 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,363 |
| Monarchies of Europe | 0 | - | 4.90 | 97,307 |
| Monarchies of Asia | 0 | - | 4.97 | 70,600 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| The Only African Country ... | 0 | - | 4.99 | 128,361 |
| The Only American Country ... | 0 | - | 4.92 | 120,757 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,776 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,039 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,386 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,036 |
| Countries That Border Russia | 0 | - | 4.98 | 458,902 |
| European Countries with One Border | 0 | - | 4.97 | 181,620 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,520 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,542 |
| Countries Bordering France | 0 | - | 4.83 | 399,048 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,037 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,106 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,842 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,305 |
| UK Immigration by Country | 0 | - | 4.94 | 139,629 |
| Central American Countries | 0 | - | 4.98 | 155,045 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,657 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,256 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,861 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,900 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,255 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,362 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,084 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,796 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,773 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,446 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,211 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,242 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,117 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,473 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,215 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,496 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,195 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,980 |
| Germany Country Quiz | 0 | - | 4.82 | 156,543 |
| Russia Country Quiz | 0 | - | 4.85 | 113,629 |
| Italy Country Quiz | 0 | - | 4.82 | 122,199 |
| Japan Country Quiz | 0 | - | 4.92 | 141,238 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,133 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,849 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,036 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,163 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,055 |
| Random European Capital to Country | 0 | - | 4.98 | 189,204 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,834 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| Biggest British Empire Countries | 0 | - | 4.73 | 93,848 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,888 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,850 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,149 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,740 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,351 |
| Every European Country Shape | 0 | - | 4.96 | 200,158 |
| Every African Country Shape | 0 | - | 4.90 | 86,100 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,094 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,147 |
| Countries Bordering India | 0 | - | 4.98 | 162,599 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,697 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,776 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,925 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,781 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,213 |
| Countries that Border China | 0 | - | 4.96 | 261,810 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,845 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,528 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,079 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,225 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,745 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,306 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,482 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,449 |
| Countries that Border Poland | 0 | - | 4.99 | 171,346 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,459 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,849 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,938 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,703 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,263 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,531 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,301 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,372 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,503 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,804 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,889 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,355 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,751 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,341 |
| Countries Closest to India | 0 | - | 4.97 | 102,205 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,906 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,318 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,530 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,107 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,313 |
| Philippines Country Quiz | 0 | - | 4.56 | 74,881 |
| Thailand Country Quiz | 0 | - | 4.53 | 52,852 |
| Indonesia Country Quiz | 0 | - | 4.78 | 74,556 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,056 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,294 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,964 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,601 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,164 |
| Countries with Megacities | 0 | - | 4.99 | 246,830 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,085 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,948 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,501 |
