| Countries With One Word And Two O's | 0 | - | 4.95 | 53,933 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 49,571 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,080,769 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 403,454 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,305,009 |
| Countries by Emojis | 0 | - | 4.99 | 231,330 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,641,160 |
| Sahara Desert Countries | 0 | - | 4.98 | 155,895 |
| Himalayan Countries | 0 | - | 4.95 | 131,315 |
| Andean Countries | 0 | - | 4.94 | 80,666 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,540 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 120,091 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,987 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 63,033 |
| Danube Countries | 0 | - | 4.97 | 63,327 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,283 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,302 |
| Countries with the Worst Passports | 0 | - | 4.93 | 80,258 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,906 |
| European Landlocked Countries | 0 | - | 4.99 | 144,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 103,136 |
| Countries with the Most Species | 0 | - | 4.99 | 94,265 |
| Countries 197 to 205 | 0 | - | 4.87 | 67,529 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,746 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,925 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,147 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,749 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,962 |
| Countries in the Alps | 0 | - | 4.87 | 115,000 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,380 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,911 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,251 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,986 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,849 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 94,100 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,986 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,853 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,568 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,013 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,633 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,436 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,435 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,851 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,537 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,748 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,490 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,919 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 233,759 |
| World Countries - Blind Typing | 0 | - | 5.00 | 102,397 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,836 |
| Largest Countries By Category | 0 | - | 4.97 | 154,942 |
| Countries by Countries | 0 | - | 4.96 | 61,056 |
| Country Flags with the Most White | 0 | - | 4.87 | 135,681 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,566 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,012 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,594 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 368,615 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 394,897 |
| Island Countries Quiz | 0 | - | 4.99 | 703,122 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,025,130 |
| Northernmost Countries | 0 | - | 4.99 | 351,353 |
| Countries of South America | 0 | - | 5.00 | 898,898 |
| Countries of Oceania | 0 | - | 5.00 | 1,020,098 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,811,292 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 132,843 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 119,098 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 109,563 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 87,867 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,334,785 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 46,014 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 94,652 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 101,438 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,859 |
| Countries with Megacities | 0 | - | 4.99 | 236,221 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 194,006 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 110,197 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,723 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,865 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 314,667 |
| Countries by Official Language | 0 | - | 4.95 | 189,987 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,846 |
| Countries in their Native Language | 0 | - | 4.99 | 193,973 |
| Independence from Whom | 0 | - | 4.99 | 206,557 |
| Subdivisions by Country | 0 | - | 4.86 | 49,603 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 128,395 |
| Megadiverse Countries | 0 | - | 4.97 | 133,052 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 127,692 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,411 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 124,133 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,493 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,504 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,220 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 91,046 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 152,045 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 94,374 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,345 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 73,152 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 106,549 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,800 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,884 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,997 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,217 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 105,387 |
| World Map Quiz | 0 | - | 4.84 | 61,703 |
| Countries that Produce the Most Beer | 0 | - | 4.84 | 127,377 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 147,379 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 104,838 |
| Countries by Founding Story | 0 | - | 4.95 | 75,410 |
| Countries by Road Signs | 0 | - | 4.98 | 51,913 |
| Southernmost Countries of the World | 0 | - | 4.99 | 224,004 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,520 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,395 |
| Countries With the Most Languages | 0 | - | 4.89 | 196,435 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,489 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,880 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 97,094 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,210 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,348 |
| Widest Countries East to West | 0 | - | 4.92 | 127,619 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,927 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,820 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,910 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,824 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,235 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,869 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,763 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,323 |
| Countries with Double Letters | 0 | - | 4.96 | 89,807 |
| Countries that End in N | 0 | - | 4.93 | 152,905 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,544 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 207,026 |
| Countries with W | 0 | - | 4.97 | 155,249 |
| Countries with Z | 0 | - | 4.98 | 283,471 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,838 |
| Countries That End in U | 0 | - | 4.95 | 117,764 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 106,118 |
| Countries that End in O | 0 | - | 4.92 | 157,099 |
| Countries that End in R | 0 | - | 4.84 | 101,696 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,027 |
| Countries Ending in "IA" | 0 | - | 4.99 | 204,511 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 167,642 |
| Countries by Last Two Letters | 0 | - | 4.87 | 133,305 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 139,294 |
| Countries That End in Y | 0 | - | 4.91 | 184,181 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 194,427 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 150,003 |
| Countries that End in I | 0 | - | 4.92 | 118,899 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 180,183 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,317 |
| Countries That End in NIA | 0 | - | 4.92 | 107,943 |
| Countries That End in BIA | 0 | - | 4.92 | 146,332 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 164,413 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 117,273 |
| Countries That End in RIA | 0 | - | 4.92 | 124,958 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 108,718 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 222,231 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 130,882 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 123,110 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 88,698 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 73,132 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,995 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 101,303 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 123,069 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 48,064 |
| Countries with the Word "And" | 0 | - | 4.99 | 114,684 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 51,239 |
| Countries that End in L | 0 | - | 4.94 | 154,453 |
| "Land" Countries | 0 | - | 4.98 | 304,252 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 204,372 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,612 |
| City to Country Quiz #1 | 0 | - | 4.97 | 153,800 |
| City to Country Quiz #3 | 0 | - | 4.88 | 107,750 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 77,471 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 225,080 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 196,963 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 124,469 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 160,352 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 220,660 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,936 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,989 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 107,281 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 85,767 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 61,291 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 250,302 |
| Name a Valid Asian Country | 0 | - | 4.98 | 118,451 |
| Name a Valid African Country | 0 | - | 4.98 | 150,747 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,416,261 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 372,620 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 331,633 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,737,395 |
| One Border Countries | 0 | - | 4.97 | 456,585 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,532,766 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 87,116 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 23,667 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,514 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,797 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,419 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,149 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 91,159 |