| Neutral European Countries of WWII | 0 | - | 4.91 | 160,828 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,523 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,001 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,789 |
| Battle to Country | 0 | - | 4.91 | 52,814 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,714 |
| Independence from Whom | 0 | - | 4.99 | 210,365 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,195 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,141 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,169 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,452 |
| Recently Independent Countries | 0 | - | 4.98 | 158,288 |
| Countries in World War I | 0 | - | 4.88 | 227,241 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,050 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,002 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,931 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,621 |
| Historical City to Country | 0 | - | 4.84 | 78,278 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,425 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,688 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,603 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,484 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,848 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,731 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,977 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,471 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,042 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,341 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,110 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,105,394 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,414 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,542 |
| Landlocked Countries | 0 | - | 4.99 | 415,891 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,336 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,610 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,095 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,905 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,684 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,454 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,269 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,301 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,457 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,137 |
| Island Countries | 0 | - | 4.99 | 708,560 |
| Countries in World War II | 0 | - | 4.54 | 907,609 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,545 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,612 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,409 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,929 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,474 |
| Northernmost Countries | 0 | - | 4.99 | 359,011 |
| Political Movements by Country | 0 | - | 4.46 | 72,359 |
| Countries of South America | 0 | - | 5.00 | 918,662 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,450 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,246 |
| "Land" Countries | 0 | - | 4.98 | 334,256 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,444 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,638 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,904 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,347 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,877 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,585 |
| Countries by Independence Day | 0 | - | 4.61 | 52,660 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,757 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,541 |
| Himalayan Countries | 0 | - | 4.95 | 136,180 |
| Andean Countries | 0 | - | 4.95 | 83,284 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,579 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,777 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,278 |
| Former Countries by Capital | 0 | - | 4.45 | 127,207 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,901 |
| Danube Countries | 0 | - | 4.97 | 71,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,088 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,774 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,991 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,949 |
| European Landlocked Countries | 0 | - | 4.99 | 146,027 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,638 |
| Countries with the Most Species | 0 | - | 4.99 | 95,384 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,775 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,105 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,750 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,125 |
| Countries in the Alps | 0 | - | 4.86 | 117,225 |
| Former Countries | 0 | - | 4.75 | 132,910 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,824 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,722 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,201 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,651 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,454 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,888 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,941 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,274 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,310 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,174 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,928 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,938 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,580 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,839 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,377 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,113 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,595 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,392 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,773 |
| Hindu Countries | 0 | - | 4.86 | 49,781 |
| Largest Countries By Category | 0 | - | 4.97 | 157,146 |
| Countries by Countries | 0 | - | 4.96 | 62,512 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,090 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,025 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,649 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,977 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,574 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,594 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,270 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,129 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,890 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,578 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,801 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,810,655 |
| One Border Countries | 0 | - | 4.98 | 466,055 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,906 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,807 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,818 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,017 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,329 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,606 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,167 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,600,347 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,575 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,081 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,219 |
| Countries with Megacities | 0 | - | 4.99 | 248,557 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,736 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,236 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,960 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,014 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,444 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,335 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,025 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,392 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,298 |
| Countries by National Anthem | 0 | - | 4.93 | 71,095 |
| Countries by Official Language | 0 | - | 4.95 | 193,727 |
| NATO Countries | 0 | - | 4.98 | 277,623 |
| EU Countries Quiz | 0 | - | 4.99 | 271,228 |
| French-Speaking Countries | 0 | - | 4.85 | 269,562 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,469 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,217 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,723 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,040 |
| Countries in their Native Language | 0 | - | 4.99 | 197,392 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,891 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| National Founders | 0 | - | 4.40 | 83,715 |
| German-Speaking Countries | 0 | - | 4.89 | 139,720 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,046 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,596 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,963 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,049 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,590 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,713 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,125 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,791 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,957 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,021 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,232 |
| Olympic Host Countries | 0 | - | 4.98 | 199,375 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,165 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,582 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,672 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,692 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,158 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,252 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,441 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,954 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,500 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,324 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,591 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries with Fjords | 0 | - | 4.93 | 100,399 |
| The Only European Country ... | 0 | - | 4.91 | 214,862 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,649 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,740 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,056 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,874 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,340 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,806 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,710 |
| Countries with NO Military | 0 | - | 4.97 | 61,478 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,649 |
