| Countries With One Word And Two O's | 0 | - | 4.92 | 56,128 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,109 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,604,451 |
| Landlocked Countries | 0 | - | 4.99 | 422,254 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,920 |
| Countries by Emojis | 0 | - | 4.99 | 240,488 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,624 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,631 |
| Himalayan Countries | 0 | - | 4.95 | 138,867 |
| Andean Countries | 0 | - | 4.93 | 84,691 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,891 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,936 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,519 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,862 |
| Danube Countries | 0 | - | 4.97 | 72,048 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,062 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,460 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,367 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,855 |
| European Landlocked Countries | 0 | - | 4.99 | 147,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,697 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,820 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,733 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,565 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,254 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,699 |
| Countries in the Alps | 0 | - | 4.87 | 118,257 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,282 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,082 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,682 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,626 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,548 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,970 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,703 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,519 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,878 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,670 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,543 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,250 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,502 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,556 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,971 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,336 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,124 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,128 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,084 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,203 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,257 |
| Largest Countries By Category | 0 | - | 4.97 | 158,264 |
| Countries by Countries | 0 | - | 4.96 | 63,261 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,726 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,301 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,574 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,696 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,780 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,588 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,515 |
| Island Countries | 0 | - | 4.99 | 711,147 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,199 |
| Northernmost Countries | 0 | - | 4.99 | 362,075 |
| Countries of South America | 0 | - | 5.00 | 927,715 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,450 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,161 |
| "Land" Countries | 0 | - | 4.98 | 337,414 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,571 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,288 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,867 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,614 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,355 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,960 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,355 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,221 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,969 |
| Countries with Megacities | 0 | - | 4.99 | 264,719 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,802 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,065 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,583 |
| Countries by Official Language | 0 | - | 4.95 | 195,307 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,455 |
| Countries in their Native Language | 0 | - | 4.99 | 199,096 |
| Independence from Whom | 0 | - | 4.99 | 212,164 |
| Subdivisions by Country | 0 | - | 4.86 | 50,439 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,777 |
| Megadiverse Countries | 0 | - | 4.96 | 135,040 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,144 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,375 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,251 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,119 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,169 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,612 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,511 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,050 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,673 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,155 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,719 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,902 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,222 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,984 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,369 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,508 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,266 |
| World Map Quiz | 0 | - | 4.81 | 65,139 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,221 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,424 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,377 |
| Countries by Founding Story | 0 | - | 4.95 | 77,398 |
| Countries by Road Signs | 0 | - | 4.98 | 54,041 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,142 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,312 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,022 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,278 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,921 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,034 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,323 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,458 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,592 |
| Widest Countries East to West | 0 | - | 4.92 | 129,675 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,463 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,414 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,129 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,785 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,621 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,892 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,380 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Countries with Double Letters | 0 | - | 4.96 | 96,284 |
| Countries that End in N | 0 | - | 4.95 | 171,170 |
| Countries with Five Letters | 0 | - | 4.96 | 282,580 |
| Countries with Six Letters | 0 | - | 4.94 | 213,605 |
| Countries with W | 0 | - | 4.97 | 160,360 |
| Countries with Z | 0 | - | 4.98 | 291,518 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,741 |
| Countries That End in U | 0 | - | 4.95 | 120,865 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,496 |
| Countries that End in O | 0 | - | 4.92 | 159,519 |
| Countries that End in R | 0 | - | 4.87 | 118,976 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,740 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,144 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,713 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,488 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,414 |
| Countries That End in Y | 0 | - | 4.91 | 185,885 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,956 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,875 |
| Countries that End in I | 0 | - | 4.94 | 135,109 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,137 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,829 |
| Countries That End in NIA | 0 | - | 4.92 | 109,798 |
| Countries That End in BIA | 0 | - | 4.93 | 149,227 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,136 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,443 |
| Countries That End in RIA | 0 | - | 4.93 | 126,817 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,034 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,676 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,732 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,155 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,707 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,586 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,042 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,449 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,535 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,430 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,311 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,999 |
| Countries that End in L | 0 | - | 4.94 | 156,852 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,876 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,273 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,035 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,963 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,015 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,787 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,682 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,053 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,677 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,481 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,884 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,109 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,712 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,885 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,189 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,249 |
| Name a Valid African Country | 0 | - | 4.98 | 154,383 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,064 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,618 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,066 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,104 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,747 |
| One Border Countries | 0 | - | 4.98 | 470,002 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,645 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,388 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,485 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,964 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,250 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,189 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,588 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,763 |
