| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,096 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 156,895 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,630 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 131,550 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 191,891 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 139,900 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 65,395 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,353,780 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,301 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,301 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,372 |
| Countries of the World in 1900 | 0 | - | 4.88 | 64,761 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 168,561 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 126,038 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 95,704 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 89,779 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,426,603 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,057 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,013,974 |
| Countries on the Equator | 0 | - | 4.82 | 132,232 |
| Members of the Arab League | 0 | - | 4.82 | 59,065 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,037 |
| Himalayan Countries | 0 | - | 4.95 | 102,340 |
| Andean Countries | 0 | - | 4.90 | 56,848 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,683 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,533 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,847 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,518 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,691 |
| Danube Countries | 0 | - | 4.97 | 56,343 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,371 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,582 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,264 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,744 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,341 |
| European Landlocked Countries | 0 | - | 4.99 | 114,817 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,721 |
| Countries with the Most Species | 0 | - | 4.99 | 89,079 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,768 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,423 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,793 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,732 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,093 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,436 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,651 |
| Countries in the Alps | 0 | - | 4.82 | 101,761 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,573 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,703 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,098 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,671 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,317 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,824 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,005 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,729 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,051 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,111 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,877 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,320 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,391 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,924 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,464 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,933 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,503 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,926 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,922 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,484 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,253 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,925 |
| Largest Countries By Category | 0 | - | 4.96 | 143,815 |
| Countries by Countries | 0 | - | 4.95 | 54,028 |
| Five Least Guessed Countries by Continent | 0 | - | 4.96 | 79,759 |
| Pixelated World Map | 0 | - | 5.00 | 126,847 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,588 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,350 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,419 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 85,969 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,518 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 75,907 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,264 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,584 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,392 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,459 |
| Island Countries Quiz | 0 | - | 4.99 | 638,082 |
| Biggest Countries by Area | 0 | - | 5.00 | 924,155 |
| Northernmost Countries | 0 | - | 4.99 | 325,203 |
| Countries of South America | 0 | - | 5.00 | 783,006 |
| Countries of Oceania | 0 | - | 5.00 | 881,126 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,105,284 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,549,858 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,362 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 60,612 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 152,626 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.64 | 47,654 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,035 |
| Countries with Megacities | 0 | - | 4.99 | 194,562 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,315 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,785 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,587 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,652 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,860 |
| Countries by Official Language | 0 | - | 4.95 | 153,403 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,511 |
| Countries in their Native Language | 0 | - | 4.98 | 176,911 |
| Independence from Whom | 0 | - | 4.99 | 182,803 |
| Subdivisions by Country | 0 | - | 4.82 | 46,165 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,780 |
| Megadiverse Countries | 0 | - | 4.96 | 124,696 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,848 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,972 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,112 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,004 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,584 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,509 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,274 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,470 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,958 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,772 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,776 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,323 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,464 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,888 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,711 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 79,930 |
| World Map Quiz | 0 | - | 4.90 | 48,047 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 110,375 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,697 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 50,761 |
| Countries by Founding Story | 0 | - | 4.92 | 54,064 |
| Countries by Road Signs | 0 | - | 4.98 | 44,658 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,236 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,053 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,004 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,422 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,518 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,827 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,406 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,256 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,806 |
| Widest Countries East to West | 0 | - | 4.93 | 118,662 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,669 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,822 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,078 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,738 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,602 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,468 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,239 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,846 |
| Countries with Double Letters | 0 | - | 4.96 | 66,620 |
| Countries that End in N | 0 | - | 4.94 | 131,013 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,499 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,352 |
| Countries with W | 0 | - | 4.97 | 121,315 |
| Countries with Z | 0 | - | 4.98 | 242,022 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,405 |
| Countries That End in U | 0 | - | 4.94 | 106,721 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,103 |
| Countries that End in O | 0 | - | 4.92 | 146,273 |
| Countries that End in R | 0 | - | 4.86 | 96,048 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,801 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,425 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,799 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,525 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,450 |
| Countries That End in Y | 0 | - | 4.90 | 160,757 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,544 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,754 |
| Countries that End in I | 0 | - | 4.92 | 114,122 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,327 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,774 |
| Countries That End in NIA | 0 | - | 4.93 | 100,288 |
| Countries That End in BIA | 0 | - | 4.91 | 125,276 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,317 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,990 |
| Countries That End in RIA | 0 | - | 4.89 | 100,431 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,694 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,525 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,562 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,364 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,291 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,484 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,851 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,334 |
| Countries with the Word "And" | 0 | - | 4.98 | 82,504 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,714 |
| Countries that End in L | 0 | - | 4.95 | 133,297 |
| "Land" Countries | 0 | - | 4.98 | 287,794 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,695 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,060 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,663 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,441 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,055 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,629 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,863 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,356 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,301,419 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,415 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,033,040 |
| One Border Countries | 0 | - | 4.98 | 406,412 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,424 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 98,283 |
