| Solve the Secret Country #1 | 0 | - | 4.95 | 135,474 |
| Anagram Chain - Countries | 0 | - | 4.99 | 99,785 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 47,659 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,951,560 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 38,418 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,855,572 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,492 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 389,787 |
| Countries with Four Letters | 0 | - | 4.99 | 378,982 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,184,095 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,237,286 |
| Members of the Arab League | 0 | - | 4.86 | 66,694 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,825 |
| Himalayan Countries | 0 | - | 4.94 | 108,759 |
| Andean Countries | 0 | - | 4.91 | 60,420 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,620 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 51,016 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,645 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,939 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,390 |
| Danube Countries | 0 | - | 4.96 | 57,302 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,301 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,358 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,875 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,539 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,212 |
| European Landlocked Countries | 0 | - | 4.99 | 137,303 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,957 |
| Countries with the Most Species | 0 | - | 4.99 | 90,104 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,483 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,070 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,365 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,157 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 159,845 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,955 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 145,166 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,181 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,021 |
| Countries in the Alps | 0 | - | 4.84 | 104,015 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,587 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,850 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,384 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,490 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 95,014 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,448 |
| Country Chain | 0 | - | 4.96 | 200,252 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,840 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,756 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,505 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,264 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,086 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,074 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,683 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,773 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,344 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,876 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,044 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,135 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,420 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,767 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,913 |
| Largest Countries By Category | 0 | - | 4.97 | 146,611 |
| Countries by Emojis | 0 | - | 4.99 | 210,154 |
| Countries by Countries | 0 | - | 4.95 | 55,727 |
| Countries With One Word And Two O's | 0 | - | 4.91 | 36,154 |
| Country Flags with the Most White | 0 | - | 4.91 | 126,733 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,273 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,795 |
| Islands by Country #1 | 0 | - | 4.87 | 165,093 |
| Regions of Countries #1 | 0 | - | 4.97 | 151,182 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,954 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,626 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 186,084 |
| Name a Valid Country #3 | 0 | - | 4.98 | 214,222 |
| Name a Valid Country #1 | 0 | - | 4.99 | 233,518 |
| Name a Valid Country #2 | 0 | - | 4.98 | 199,476 |
| Name a Valid Country #4 | 0 | - | 4.97 | 206,757 |
| Name a Valid Country #5 | 0 | - | 4.99 | 164,693 |
| Name a Valid Country #6 | 0 | - | 4.94 | 104,039 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,612 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,489 |
| Island Countries Quiz | 0 | - | 4.99 | 669,566 |
| Biggest Countries by Area | 0 | - | 5.00 | 949,167 |
| Northernmost Countries | 0 | - | 4.99 | 331,253 |
| Countries of South America | 0 | - | 5.00 | 811,883 |
| Countries of Oceania | 0 | - | 5.00 | 915,912 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,615,710 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 165,859 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 79,819 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,453 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 104,832 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 82,034 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 88,556 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 288,796 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 211,442 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 201,951 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 172,022 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,403 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,404 |
| Random Countries by Borders | 0 | - | 4.99 | 67,631 |
| Random Name a Valid Country | 0 | - | 4.99 | 175,597 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,364 |
| Countries with Megacities | 0 | - | 4.99 | 202,277 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,736 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,150 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,523 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,109 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,630 |
| Countries by Official Language | 0 | - | 4.96 | 175,498 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,958 |
| Countries in their Native Language | 0 | - | 4.98 | 180,852 |
| Independence from Whom | 0 | - | 4.99 | 189,733 |
| Subdivisions by Country | 0 | - | 4.85 | 46,958 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,898 |
| Megadiverse Countries | 0 | - | 4.96 | 126,907 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,159 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,697 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,874 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,516 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,982 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,825 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,115 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,787 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,892 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,254 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,346 |
| Countries Furthest from the United States | 0 | - | 4.94 | 73,046 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,586 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,481 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,105 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 87,015 |
| World Map Quiz | 0 | - | 4.90 | 51,712 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 119,100 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,861 |
| Southernmost Countries of the World | 0 | - | 4.99 | 210,024 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,991 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,364 |
| Countries With the Most Languages | 0 | - | 4.90 | 178,147 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,800 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,218 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 88,454 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,202 |
| Tallest Countries North to South | 0 | - | 4.84 | 111,710 |
| Widest Countries East to West | 0 | - | 4.93 | 120,676 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,154 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,730 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,929 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,481 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,969 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,774 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,622 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,832 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,452 |
| Countries with Double Letters | 0 | - | 4.96 | 72,632 |
| Countries that End in N | 0 | - | 4.93 | 136,873 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,646 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 191,189 |
| Countries with W | 0 | - | 4.97 | 126,285 |
| Countries with Z | 0 | - | 4.98 | 265,341 |
| Countries with Letters Missing | 0 | - | 4.97 | 170,137 |
| Countries That End in U | 0 | - | 4.95 | 109,867 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,953 |
| Countries that End in O | 0 | - | 4.92 | 148,969 |
| Countries that End in R | 0 | - | 4.85 | 97,526 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,467 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,580 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,945 |
| Countries by Last Two Letters | 0 | - | 4.89 | 117,871 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,809 |
| Countries That End in Y | 0 | - | 4.92 | 177,905 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,220 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,774 |
| Countries that End in I | 0 | - | 4.92 | 115,330 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,857 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,511 |
| Countries That End in NIA | 0 | - | 4.92 | 101,948 |
| Countries That End in BIA | 0 | - | 4.91 | 127,486 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,354 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,105 |
| Countries That End in RIA | 0 | - | 4.90 | 102,027 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,932 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 205,198 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,904 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 113,058 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,545 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 42,718 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,975 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,324 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,799 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,241 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,693 |
| Countries that End in L | 0 | - | 4.95 | 136,023 |
| "Land" Countries | 0 | - | 4.98 | 292,604 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,467 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,949 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,481 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,154 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,747 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,363 |
