| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,968 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,871 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,347 |
| Landlocked Countries | 0 | - | 4.99 | 427,100 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,988 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,956,239 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,575 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 99,483 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 62,163 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,849 |
| Himalayan Countries | 0 | - | 4.93 | 140,755 |
| Andean Countries | 0 | - | 4.94 | 85,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,886 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,443 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,442 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,666 |
| Danube Countries | 0 | - | 4.97 | 72,524 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,768 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,958 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,403 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,879 |
| European Landlocked Countries | 0 | - | 4.99 | 147,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,514 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,611 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,807 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,945 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,910 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,666 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,942 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,946 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,088 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,154 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,105 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,373 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,567 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,503 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,301 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,946 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,820 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,660 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,907 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,011 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,110 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,714 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,327 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,820 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,221 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,448 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,603 |
| Largest Countries By Category | 0 | - | 4.97 | 159,059 |
| Countries by Countries | 0 | - | 4.97 | 63,792 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,414 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,702 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,209 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,267 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,443 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,998 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,254 |
| Island Countries | 0 | - | 4.99 | 712,940 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,969 |
| Northernmost Countries | 0 | - | 4.99 | 364,517 |
| Countries of South America | 0 | - | 5.00 | 934,033 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,173 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,470 |
| "Land" Countries | 0 | - | 4.98 | 338,923 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.53 | 77,705 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.68 | 156,136 |
| Top 10 Most Protestant European Countries | 0 | - | 4.50 | 36,793 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,578 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,457 |
| Countries with Megacities | 0 | - | 4.99 | 267,759 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,111 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,314 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,438 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,417 |
| Countries by Official Language | 0 | - | 4.95 | 196,181 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,895 |
| Countries in their Native Language | 0 | - | 4.99 | 199,930 |
| Independence from Whom | 0 | - | 4.99 | 213,367 |
| Subdivisions by Country | 0 | - | 4.87 | 50,662 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,630 |
| Megadiverse Countries | 0 | - | 4.96 | 148,528 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,109 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,570 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,792 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,253 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,444 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,914 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,263 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,618 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,153 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,283 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,732 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,472 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,495 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,211 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,626 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,952 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,683 |
| World Map Quiz | 0 | - | 4.81 | 65,912 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,807 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,789 |
| Countries by Founding Story | 0 | - | 4.95 | 77,898 |
| Countries by Road Signs | 0 | - | 4.98 | 54,435 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,477 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,215 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,686 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,875 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,535 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,645 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,838 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,757 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,921 |
| Widest Countries East to West | 0 | - | 4.92 | 130,827 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,626 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,379 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,553 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,147 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,089 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,596 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,529 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,920 |
| Countries with Double Letters | 0 | - | 4.96 | 97,569 |
| Countries that End in N | 0 | - | 4.95 | 172,586 |
| Countries with Five Letters | 0 | - | 4.96 | 284,569 |
| Countries with Six Letters | 0 | - | 4.94 | 214,901 |
| Countries with W | 0 | - | 4.96 | 161,279 |
| Countries with Z | 0 | - | 4.98 | 292,946 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,641 |
| Countries That End in U | 0 | - | 4.95 | 121,370 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,389 |
| Countries that End in O | 0 | - | 4.92 | 160,355 |
| Countries that End in R | 0 | - | 4.87 | 119,271 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,052 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,111 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 184,904 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,155 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,669 |
| Countries That End in Y | 0 | - | 4.91 | 186,161 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,185 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,399 |
| Countries that End in I | 0 | - | 4.94 | 135,411 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,204 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,137 |
| Countries That End in NIA | 0 | - | 4.92 | 110,145 |
| Countries That End in BIA | 0 | - | 4.93 | 149,720 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,915 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,887 |
| Countries That End in RIA | 0 | - | 4.93 | 127,135 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,528 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,898 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,360 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,824 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,376 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,907 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,437 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,596 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,034 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,726 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,888 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,582 |
| Countries that End in L | 0 | - | 4.94 | 157,234 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,509 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,374 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,871 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,149 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,532 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,627 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,285 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,512 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,395 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,168 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,310 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,291 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,781 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,900 |
| One Border Countries | 0 | - | 4.98 | 472,486 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,750 |
| Countries that Eat the Most Fish | 0 | - | 4.26 | 72,145 |
| Top 10 Countries with the Most Fishermen | 0 | - | 4.31 | 45,493 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,852,459 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,658,744 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,445 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,492 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,794 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,347 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,707 |
| Countries by National Anthem | 0 | - | 4.92 | 71,431 |
| NATO Countries | 0 | - | 4.98 | 283,919 |
| EU Countries Quiz | 0 | - | 4.99 | 278,792 |
| Recently Independent Countries | 0 | - | 4.98 | 160,494 |
| French-Speaking Countries | 0 | - | 4.85 | 271,854 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,233 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,137 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,828 |
