| Countries With One Word And Two O's | 0 | - | 4.89 | 33,186 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,360,978 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,293 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,168,974 |
| Countries by Emojis | 0 | - | 4.99 | 202,345 |
| Countries With One Word and Two U's | 0 | - | 4.46 | 26,490 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,006,430 |
| Countries on the Equator | 0 | - | 4.82 | 131,514 |
| Members of the Arab League | 0 | - | 4.81 | 58,720 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,840 |
| Himalayan Countries | 0 | - | 4.95 | 102,126 |
| Andean Countries | 0 | - | 4.90 | 56,720 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,536 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,470 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,764 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,434 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,624 |
| Danube Countries | 0 | - | 4.97 | 56,310 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,327 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,543 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,153 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,660 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,044 |
| European Landlocked Countries | 0 | - | 4.99 | 114,777 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,609 |
| Countries with the Most Species | 0 | - | 4.99 | 89,051 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,681 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,395 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,766 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,656 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,045 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,403 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,584 |
| Countries in the Alps | 0 | - | 4.82 | 101,480 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,491 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,518 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,046 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,602 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,236 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,780 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,948 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,681 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,055 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,819 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,297 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,366 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,837 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,410 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,878 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,306 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,882 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,865 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 191,907 |
| World Countries - Blind Typing | 0 | - | 5.00 | 70,992 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,884 |
| Largest Countries By Category | 0 | - | 4.96 | 143,683 |
| Countries by Countries | 0 | - | 4.96 | 53,947 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,464 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,314 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 77,157 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,066 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 350,935 |
| Island Countries Quiz | 0 | - | 4.99 | 637,311 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,030 |
| Northernmost Countries | 0 | - | 4.99 | 324,945 |
| Countries of South America | 0 | - | 5.00 | 781,718 |
| Countries of Oceania | 0 | - | 5.00 | 879,368 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,099,369 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,546,952 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,403 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,852 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,012 |
| Biggest Countries with No McDonald's | 0 | - | 4.83 | 66,802 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 86,233 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 94,705 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,846 |
| Countries with Megacities | 0 | - | 4.99 | 194,279 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,037 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,648 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,398 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,512 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,546 |
| Countries by Official Language | 0 | - | 4.95 | 153,215 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,043 |
| Countries in their Native Language | 0 | - | 4.98 | 176,513 |
| Independence from Whom | 0 | - | 4.99 | 182,560 |
| Subdivisions by Country | 0 | - | 4.82 | 46,125 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,631 |
| Megadiverse Countries | 0 | - | 4.96 | 124,601 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,682 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,883 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,073 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,609 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,536 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,403 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,185 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,410 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,918 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,679 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,720 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,250 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,438 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,816 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,649 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 79,631 |
| World Map Quiz | 0 | - | 4.90 | 47,903 |
| Countries that Produce the Most Beer | 0 | - | 4.89 | 114,289 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 110,032 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,599 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,080 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 89,956 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,878 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,186 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,456 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,727 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,282 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,176 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,696 |
| Widest Countries East to West | 0 | - | 4.93 | 118,362 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,656 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,723 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,040 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,658 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,504 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,395 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,223 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,798 |
| Countries with Double Letters | 0 | - | 4.96 | 66,320 |
| Countries that End in N | 0 | - | 4.94 | 130,723 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,203 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,002 |
| Countries with W | 0 | - | 4.97 | 121,040 |
| Countries with Z | 0 | - | 4.98 | 241,655 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,222 |
| Countries That End in U | 0 | - | 4.94 | 106,530 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.96 | 87,915 |
| Countries that End in O | 0 | - | 4.92 | 146,173 |
| Countries that End in R | 0 | - | 4.85 | 95,960 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,740 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,235 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,685 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,428 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,362 |
| Countries That End in Y | 0 | - | 4.90 | 160,697 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,405 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,630 |
| Countries that End in I | 0 | - | 4.92 | 114,076 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,202 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,710 |
| Countries That End in NIA | 0 | - | 4.93 | 100,204 |
| Countries That End in BIA | 0 | - | 4.91 | 125,186 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,219 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,908 |
| Countries That End in RIA | 0 | - | 4.89 | 100,338 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,602 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,267 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,439 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,232 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,142 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,382 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,755 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,275 |
| Countries with the Word "And" | 0 | - | 4.98 | 82,370 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,590 |
| Countries that End in L | 0 | - | 4.95 | 133,204 |
| "Land" Countries | 0 | - | 4.98 | 287,599 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,210 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,049 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,608 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,385 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 70,995 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 205,895 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 156,771 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,548 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 131,429 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 191,758 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 139,817 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 65,368 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,376 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,810 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,296 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,243 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,487 |
| Name a Valid African Country | 0 | - | 4.98 | 122,436 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,090 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,131 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,028,679 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,348,128 |
| One Border Countries | 0 | - | 4.98 | 405,966 |
| Countries With One Word and Three A's | 0 | - | 4.83 | 30,100 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,195 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,097 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,077 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,399 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,281 |
| Random Capital to Country | 0 | - | 4.99 | 2,339,013 |
| Random Country to Capital | 0 | - | 4.98 | 793,105 |
| Countries by National Anthem | 0 | - | 4.94 | 61,581 |
| NATO Countries Quiz | 0 | - | 4.98 | 222,775 |
