| Five Biggest Countries by Continent | 0 | - | 4.99 | 219,337 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,488 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,136 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 140,927 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 216,035 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,241 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,751 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,576 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,913 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,458 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,209 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,319,372 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 108,945 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 107,817 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,463 |
| Himalayan Countries | 0 | - | 4.95 | 122,135 |
| Andean Countries | 0 | - | 4.92 | 68,626 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,616 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,995 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,850 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,244 |
| Danube Countries | 0 | - | 4.97 | 60,810 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,821 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,858 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,444 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,733 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,130 |
| European Landlocked Countries | 0 | - | 4.99 | 140,985 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,038 |
| Countries with the Most Species | 0 | - | 4.99 | 92,318 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,433 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,679 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,775 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,560 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,329 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,932 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,623 |
| Countries in the Alps | 0 | - | 4.86 | 110,409 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,690 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,762 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,368 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,712 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,611 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,931 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,981 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,824 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,950 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,764 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,714 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,243 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,086 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,144 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,825 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,497 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,951 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,785 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,710 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,994 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,055 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,084 |
| Largest Countries By Category | 0 | - | 4.97 | 151,337 |
| Countries by Countries | 0 | - | 4.96 | 58,447 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,406,072 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,065 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,656 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,326 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,924 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,474,683 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 90,268 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,182 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,327 |
| Island Countries Quiz | 0 | - | 4.99 | 690,789 |
| Biggest Countries by Area | 0 | - | 5.00 | 989,793 |
| Northernmost Countries | 0 | - | 4.99 | 342,732 |
| Countries of South America | 0 | - | 5.00 | 862,990 |
| Countries of Oceania | 0 | - | 5.00 | 975,750 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,731,060 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,257,900 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,927 |
| Countries with Megacities | 0 | - | 4.99 | 218,151 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,780 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,273 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,708 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,268 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,984 |
| Countries by Official Language | 0 | - | 4.95 | 184,127 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,133 |
| Countries in their Native Language | 0 | - | 4.98 | 188,912 |
| Independence from Whom | 0 | - | 4.99 | 199,905 |
| Subdivisions by Country | 0 | - | 4.86 | 48,531 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,777 |
| Megadiverse Countries | 0 | - | 4.96 | 130,510 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,195 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,804 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,333 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,485 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,493 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,842 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,277 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,446 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,423 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,525 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,876 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,983 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,224 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,179 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,646 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,239 |
| World Map Quiz | 0 | - | 4.88 | 57,722 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,161 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,769 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,667 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,794 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,631 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,358 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,562 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,631 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,632 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,390 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,650 |
| Widest Countries East to West | 0 | - | 4.92 | 124,794 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,204 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,005 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,472 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,312 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,471 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,384 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,040 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,564 |
| Countries with Double Letters | 0 | - | 4.96 | 82,400 |
| Countries that End in N | 0 | - | 4.93 | 146,314 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,285 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,705 |
| Countries with W | 0 | - | 4.97 | 149,500 |
| Countries with Z | 0 | - | 4.98 | 276,218 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,632 |
| Countries That End in U | 0 | - | 4.95 | 114,430 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,710 |
| Countries that End in O | 0 | - | 4.91 | 154,518 |
| Countries that End in R | 0 | - | 4.84 | 100,013 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,996 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,282 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,447 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,927 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,689 |
| Countries That End in Y | 0 | - | 4.91 | 182,188 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,379 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,615 |
| Countries that End in I | 0 | - | 4.92 | 117,503 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,517 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,270 |
| Countries That End in NIA | 0 | - | 4.92 | 105,188 |
| Countries That End in BIA | 0 | - | 4.92 | 142,837 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,356 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,856 |
| Countries That End in RIA | 0 | - | 4.89 | 105,552 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 105,996 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,504 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,377 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,222 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,063 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,265 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,687 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,194 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,093 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,324 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,945 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,867 |
| Countries that End in L | 0 | - | 4.94 | 151,882 |
| "Land" Countries | 0 | - | 4.98 | 299,785 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,694 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,959 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,634 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,789 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,664 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 164,628 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.82 | 106,006 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,883 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,825 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,381,786 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,867 |
| One Border Countries | 0 | - | 4.98 | 445,181 |
| Five Highest HDI Countries by Continent | 0 | - | 4.51 | 56,155 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,632,659 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,981 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,694 |
| Countries by National Anthem | 0 | - | 4.92 | 69,920 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,798 |
| EU Countries Quiz | 0 | - | 4.99 | 254,589 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,280 |
| French-Speaking Countries | 0 | - | 4.85 | 257,847 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,797 |
| Countries That Use the Euro | 0 | - | 4.93 | 76,026 |
| Countries with the Most Military Troops | 0 | - | 4.96 | 267,208 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 248,731 |
| German-Speaking Countries | 0 | - | 4.89 | 121,158 |
| Countries with Wild Tigers | 0 | - | 4.97 | 131,666 |
| Countries with Wild Penguins | 0 | - | 4.93 | 95,702 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 149,748 |
| Top Five Countries by Religion | 0 | - | 4.91 | 157,348 |
