| Neutral European Countries of WWII | 0 | - | 4.91 | 161,723 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,669 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,353 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,811 |
| Battle to Country | 0 | - | 4.91 | 53,496 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,925 |
| Independence from Whom | 0 | - | 4.99 | 212,064 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,707 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,777 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,590 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,456 |
| Recently Independent Countries | 0 | - | 4.98 | 159,457 |
| Countries in World War I | 0 | - | 4.88 | 228,421 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,317 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,206 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,698 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,263 |
| Historical City to Country | 0 | - | 4.84 | 78,625 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,840 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,849 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,486 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,294 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,899 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,330 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,634 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,399 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,745 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,563 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,000 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,903 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,573,949 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,682 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,991 |
| Landlocked Countries | 0 | - | 4.99 | 421,853 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,229 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,433 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,745 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,750 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,782 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,351 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,893 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,486 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,471 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,130 |
| Island Countries | 0 | - | 4.99 | 711,004 |
| Countries in World War II | 0 | - | 4.54 | 914,485 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,244 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,378 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,784 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,601 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,723 |
| Northernmost Countries | 0 | - | 4.99 | 361,909 |
| Political Movements by Country | 0 | - | 4.46 | 72,607 |
| Countries of South America | 0 | - | 5.00 | 927,216 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,661 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,903 |
| "Land" Countries | 0 | - | 4.98 | 337,303 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,405 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,969 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,392 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,931 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,001 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,927 |
| Countries by Independence Day | 0 | - | 4.61 | 52,774 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,649 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,386 |
| Himalayan Countries | 0 | - | 4.95 | 138,661 |
| Andean Countries | 0 | - | 4.93 | 84,577 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,772 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,774 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,400 |
| Former Countries by Capital | 0 | - | 4.45 | 127,579 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,786 |
| Danube Countries | 0 | - | 4.97 | 71,997 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,001 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,416 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,275 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,759 |
| European Landlocked Countries | 0 | - | 4.99 | 147,133 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,622 |
| Countries with the Most Species | 0 | - | 4.99 | 103,233 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,744 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,582 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,717 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,535 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,216 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,646 |
| Countries in the Alps | 0 | - | 4.87 | 118,189 |
| Former Countries | 0 | - | 4.75 | 133,903 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,040 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,011 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,635 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,590 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,496 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,939 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,663 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,479 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,174 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,831 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,645 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,517 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,216 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,459 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,506 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,876 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,300 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,621 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,056 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,878 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,068 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,218 |
| Hindu Countries | 0 | - | 4.86 | 50,282 |
| Largest Countries By Category | 0 | - | 4.97 | 158,195 |
| Countries by Countries | 0 | - | 4.96 | 63,211 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,048 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,670 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,773 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,407 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,043 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,314 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,143 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,041 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,489 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,184 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,613 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,834,353 |
| One Border Countries | 0 | - | 4.98 | 469,810 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,521 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,511 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,275 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,647 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,885 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,836 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,688 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,631,653 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,621 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,852 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,914 |
| Countries with Megacities | 0 | - | 4.99 | 264,477 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,161 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,126 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,712 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,545 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,456 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,975 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,722 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,518 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,426 |
| Countries by National Anthem | 0 | - | 4.93 | 71,287 |
| Countries by Official Language | 0 | - | 4.95 | 195,231 |
| NATO Countries | 0 | - | 4.98 | 281,450 |
| EU Countries Quiz | 0 | - | 4.99 | 275,401 |
| French-Speaking Countries | 0 | - | 4.85 | 270,820 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,891 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,331 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,488 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,225 |
| Countries in their Native Language | 0 | - | 4.99 | 199,023 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,336 |
| Subdivisions by Country | 0 | - | 4.86 | 50,426 |
| National Founders | 0 | - | 4.40 | 83,871 |
| German-Speaking Countries | 0 | - | 4.91 | 145,731 |
| Megadiverse Countries | 0 | - | 4.96 | 135,003 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,104,894 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,061 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,955 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,342 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,278 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,482 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,279 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,166 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,861 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,016 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,522 |
| Olympic Host Countries | 0 | - | 4.98 | 201,074 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,065 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,229 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,084 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,097 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,755 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,625 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,901 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,584 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,129 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,026 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,648 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,757 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,142 |
| Countries with Fjords | 0 | - | 4.94 | 101,028 |
| The Only European Country ... | 0 | - | 4.91 | 217,304 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,287 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,708 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,654 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,731 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,870 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,891 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,319 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,184 |
| Countries with NO Military | 0 | - | 4.97 | 62,602 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,195 |
