| Neutral European Countries of WWII | 0 | - | 4.92 | 162,568 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,698 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,700 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,753 |
| Battle to Country | 0 | - | 4.91 | 54,133 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,087 |
| Independence from Whom | 0 | - | 4.99 | 213,461 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,706 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,712 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,935 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,318 |
| Recently Independent Countries | 0 | - | 4.98 | 160,535 |
| Countries in World War I | 0 | - | 4.88 | 229,477 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,798 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,207 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,134 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,534 |
| Historical City to Country | 0 | - | 4.85 | 79,107 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,239 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,656 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,034 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,628 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,294 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,935 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,886 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,198 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,732 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,790 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,387 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,985,657 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,525 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,453 |
| Landlocked Countries | 0 | - | 4.99 | 427,440 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,139 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,173 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,232 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,005 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,505 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,784 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,838 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,806 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,095 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,481 |
| Island Countries | 0 | - | 4.99 | 713,082 |
| Countries in World War II | 0 | - | 4.55 | 920,450 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,759 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,716 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,120 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,961 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,411 |
| Northernmost Countries | 0 | - | 4.99 | 364,697 |
| Political Movements by Country | 0 | - | 4.46 | 72,842 |
| Countries of South America | 0 | - | 5.00 | 934,584 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,847 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,726 |
| "Land" Countries | 0 | - | 4.98 | 339,085 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,156 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,442 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,843 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,433 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,384 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,053 |
| Countries by Independence Day | 0 | - | 4.62 | 52,882 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,635 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,006 |
| Himalayan Countries | 0 | - | 4.93 | 140,907 |
| Andean Countries | 0 | - | 4.94 | 85,844 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,957 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,551 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,498 |
| Former Countries by Capital | 0 | - | 4.45 | 127,906 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,716 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,995 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,482 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,954 |
| European Landlocked Countries | 0 | - | 4.99 | 147,797 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,566 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,670 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,936 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,691 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,148 |
| Countries in the Alps | 0 | - | 4.87 | 119,007 |
| Former Countries | 0 | - | 4.77 | 134,332 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,053 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,194 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,076 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,195 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,153 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,622 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,013 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,521 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,327 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,837 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,687 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,942 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,043 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,186 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,751 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,611 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,863 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,425 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,555 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,629 |
| Hindu Countries | 0 | - | 4.86 | 50,682 |
| Largest Countries By Category | 0 | - | 4.97 | 159,125 |
| Countries by Countries | 0 | - | 4.97 | 63,823 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,002 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,250 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,923 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,761 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,450 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,819 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,790 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,743 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 128,036 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,687 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,655 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,854,239 |
| One Border Countries | 0 | - | 4.98 | 472,689 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,952 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,095 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,594 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,145 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,286 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,034 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,118 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,956 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,657 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,560 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Countries with Megacities | 0 | - | 4.99 | 267,988 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,565 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,211 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,012 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,368 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,539 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,516 |
| Countries by National Anthem | 0 | - | 4.92 | 71,444 |
| Countries by Official Language | 0 | - | 4.95 | 196,270 |
| NATO Countries | 0 | - | 4.98 | 284,093 |
| EU Countries Quiz | 0 | - | 4.99 | 278,994 |
| French-Speaking Countries | 0 | - | 4.85 | 271,942 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,260 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,006 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,281 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,004 |
| Countries in their Native Language | 0 | - | 4.99 | 199,988 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,130 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| National Founders | 0 | - | 4.40 | 84,003 |
| German-Speaking Countries | 0 | - | 4.92 | 146,103 |
| Megadiverse Countries | 0 | - | 4.96 | 149,496 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,777 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,168 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,794 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,917 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,172 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,778 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,848 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,927 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,973 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,259 |
| Olympic Host Countries | 0 | - | 4.98 | 202,272 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,273 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,825 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 137,067 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,265 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,973 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,526 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,058 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,247 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,509 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,640 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,187 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 110,055 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,291 |
| Countries with Fjords | 0 | - | 4.94 | 101,619 |
| The Only European Country ... | 0 | - | 4.91 | 219,648 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,838 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,372 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,831 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,394 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,504 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,294 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,681 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,497 |
| Countries with NO Military | 0 | - | 4.97 | 63,630 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,518 |
