| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,658 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 162,710 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,885 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 131,900 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 192,371 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,195 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,561 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,841 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,537 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,794 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,564 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,562,217 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 95,876 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 90,417 |
| Countries on the Equator | 0 | - | 4.83 | 133,281 |
| Members of the Arab League | 0 | - | 4.83 | 59,799 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,496 |
| Himalayan Countries | 0 | - | 4.95 | 102,882 |
| Andean Countries | 0 | - | 4.90 | 57,175 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,022 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,666 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,016 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,640 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,835 |
| Danube Countries | 0 | - | 4.97 | 56,404 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,643 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,529 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,909 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,543 |
| European Landlocked Countries | 0 | - | 4.99 | 114,899 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,880 |
| Countries with the Most Species | 0 | - | 4.99 | 89,116 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,944 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,489 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,852 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,850 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,173 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,502 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,774 |
| Countries in the Alps | 0 | - | 4.83 | 101,996 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,795 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,063 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,208 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,838 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,482 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,159 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,169 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,841 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,115 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,257 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,007 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,383 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,467 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,075 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,586 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,079 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,890 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,026 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,035 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,598 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,716 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,021 |
| Largest Countries By Category | 0 | - | 4.96 | 144,081 |
| Countries by Countries | 0 | - | 4.96 | 54,207 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,030,344 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,449 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,540 |
| Five Least Guessed Countries by Continent | 0 | - | 4.96 | 80,086 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,036 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,523 |
| Island Countries Quiz | 0 | - | 4.99 | 639,599 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,507 |
| Northernmost Countries | 0 | - | 4.99 | 325,688 |
| Countries of South America | 0 | - | 5.00 | 785,498 |
| Countries of Oceania | 0 | - | 5.00 | 884,416 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,117,840 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,556,043 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.64 | 47,748 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,479 |
| Countries with Megacities | 0 | - | 4.99 | 195,225 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,860 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,058 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,974 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,926 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,669 |
| Countries by Official Language | 0 | - | 4.95 | 153,724 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 247,245 |
| Countries in their Native Language | 0 | - | 4.98 | 177,240 |
| Independence from Whom | 0 | - | 4.99 | 184,097 |
| Subdivisions by Country | 0 | - | 4.82 | 46,247 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,518 |
| Megadiverse Countries | 0 | - | 4.96 | 124,881 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,225 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,111 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,171 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,263 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,831 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,087 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,421 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,601 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,120 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,178 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,905 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,572 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,540 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,114 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,847 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,608 |
| World Map Quiz | 0 | - | 4.90 | 48,341 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,917 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,614 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,286 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,252 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,984 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,687 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 71,013 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,655 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,422 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,968 |
| Widest Countries East to West | 0 | - | 4.93 | 118,843 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,721 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,076 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,172 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,924 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,260 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,662 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,305 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,902 |
| Countries with Double Letters | 0 | - | 4.96 | 67,297 |
| Countries that End in N | 0 | - | 4.94 | 131,757 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,489 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,019 |
| Countries with W | 0 | - | 4.97 | 121,964 |
| Countries with Z | 0 | - | 4.98 | 243,168 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,865 |
| Countries That End in U | 0 | - | 4.94 | 107,168 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,600 |
| Countries that End in O | 0 | - | 4.92 | 146,547 |
| Countries that End in R | 0 | - | 4.86 | 96,228 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,968 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,288 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,074 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,747 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 128,684 |
| Countries That End in Y | 0 | - | 4.90 | 161,353 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,874 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,038 |
| Countries that End in I | 0 | - | 4.92 | 114,241 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,679 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,932 |
| Countries That End in NIA | 0 | - | 4.93 | 100,447 |
| Countries That End in BIA | 0 | - | 4.91 | 125,510 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,554 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,200 |
| Countries That End in RIA | 0 | - | 4.89 | 100,571 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,902 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 199,147 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,887 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,714 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,593 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,688 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,105 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,486 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,973 |
| Countries that End in L | 0 | - | 4.95 | 133,521 |
| "Land" Countries | 0 | - | 4.98 | 288,183 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,000 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,098 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,889 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,850 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,210 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 153,000 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,752 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,992 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,675 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,258 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,912 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,041,380 |
| One Border Countries | 0 | - | 4.98 | 407,203 |
| Countries With One Word and Three A's | 0 | - | 4.84 | 30,345 |
| Five Highest HDI Countries by Continent | 0 | - | 4.50 | 52,809 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,365,182 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,384 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,571 |
| Countries by National Anthem | 0 | - | 4.94 | 61,681 |
| NATO Countries Quiz | 0 | - | 4.98 | 224,074 |
| EU Countries Quiz | 0 | - | 4.99 | 226,501 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 143,862 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,251 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,765 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 224,690 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 216,359 |
| German-Speaking Countries | 0 | - | 4.88 | 117,227 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,418 |
| Countries with Wild Penguins | 0 | - | 4.93 | 89,773 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 128,190 |
| Top Five Countries by Religion | 0 | - | 4.91 | 140,468 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 86,622 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,181 |
