| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,941 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,908,984 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 382,445 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 128,109 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 86,560 |
| Anagram Chain - Countries | 0 | - | 4.98 | 95,721 |
| Countries of Africa | 0 | - | 5.00 | 2,146,613 |
| Countries with Four Letters | 0 | - | 4.99 | 374,631 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 33,668 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 43,630 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,547,938 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,585 |
| Countries of North America Quiz | 0 | - | 5.00 | 871,322 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 156,194 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 141,564 |
| Country Chain | 0 | - | 4.95 | 177,041 |
| Countries by Emojis | 0 | - | 4.99 | 203,217 |
| Countries With One Word And Two O's | 0 | - | 4.89 | 33,455 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,028,663 |
| Islands by Country #1 | 0 | - | 4.87 | 162,947 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,228 |
| Regions of Countries #2 | 0 | - | 4.95 | 113,933 |
| Regions of Countries #3 | 0 | - | 4.81 | 83,331 |
| Name a Valid Country #3 | 0 | - | 4.98 | 207,059 |
| Name a Valid Country #1 | 0 | - | 4.99 | 224,958 |
| Name a Valid Country #2 | 0 | - | 4.98 | 191,866 |
| Name a Valid Country #4 | 0 | - | 4.96 | 198,851 |
| Name a Valid Country #5 | 0 | - | 4.98 | 144,608 |
| Name a Valid Country #6 | 0 | - | 4.92 | 86,542 |
| Countries on the Equator | 0 | - | 4.83 | 133,137 |
| Members of the Arab League | 0 | - | 4.82 | 59,689 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,419 |
| Himalayan Countries | 0 | - | 4.95 | 102,778 |
| Andean Countries | 0 | - | 4.90 | 57,119 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,968 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,646 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,999 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,625 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,820 |
| Danube Countries | 0 | - | 4.97 | 56,401 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,439 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,636 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,504 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,892 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,521 |
| European Landlocked Countries | 0 | - | 4.99 | 114,891 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,859 |
| Countries with the Most Species | 0 | - | 4.99 | 89,112 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,931 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,479 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,849 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,836 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 160,537 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 67,168 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,168 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,499 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,764 |
| Countries in the Alps | 0 | - | 4.83 | 101,973 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,780 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,012 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,196 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,824 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,464 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,150 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,152 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,826 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,104 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,245 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,993 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,372 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,455 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.83 | 46,264 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,066 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,571 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,065 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,850 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,010 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,161 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,022 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,439 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,659 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,011 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,256 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 67,105 |
| Largest Countries By Category | 0 | - | 4.96 | 144,060 |
| Countries by Countries | 0 | - | 4.96 | 54,189 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 86,496 |
| Small Countries with Large Economies | 0 | - | 4.76 | 74,370 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 281,648 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 205,652 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 196,811 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 167,639 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.95 | 104,963 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,438 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,512 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 94,881 |
| Random Countries by Borders | 0 | - | 4.99 | 65,955 |
| Random Name a Valid Country | 0 | - | 4.99 | 166,305 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,978 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,411 |
| Island Countries Quiz | 0 | - | 4.99 | 639,483 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,271 |
| Northernmost Countries | 0 | - | 4.99 | 325,639 |
| Countries of South America | 0 | - | 5.00 | 785,231 |
| Countries of Oceania | 0 | - | 5.00 | 884,130 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,116,467 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,555,433 |
| Europe Geography Quiz #1 | 0 | - | 4.52 | 66,808 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,291 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 65,978 |
| Europe Geography Quiz #5 | 0 | - | 4.53 | 57,666 |
| Asia Geography Quiz #1 | 0 | - | 4.79 | 50,744 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 45,136 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,009 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,857 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,439 |
| Countries with Megacities | 0 | - | 4.99 | 195,163 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,791 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,022 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,929 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,900 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,589 |
| Countries by Official Language | 0 | - | 4.95 | 153,689 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 247,176 |
| Countries in their Native Language | 0 | - | 4.98 | 177,204 |
| Independence from Whom | 0 | - | 4.99 | 184,043 |
| Subdivisions by Country | 0 | - | 4.82 | 46,239 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,479 |
| Megadiverse Countries | 0 | - | 4.96 | 124,860 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,173 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,099 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,165 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,236 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,810 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,046 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,408 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,592 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,096 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,154 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,897 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,531 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,534 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,076 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,834 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,040,581 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,544 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,888 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,565 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,262 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,231 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,941 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,670 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,989 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,627 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,408 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,951 |
| Widest Countries East to West | 0 | - | 4.93 | 118,826 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,714 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,050 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,160 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,907 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,236 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,642 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,295 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,894 |
| Countries with Double Letters | 0 | - | 4.96 | 67,255 |
| Countries that End in N | 0 | - | 4.94 | 131,717 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,427 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,971 |
| Countries with W | 0 | - | 4.97 | 121,939 |
| Countries with Z | 0 | - | 4.98 | 243,120 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,832 |
| Countries That End in U | 0 | - | 4.94 | 107,152 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,559 |
| Countries that End in O | 0 | - | 4.92 | 146,539 |
| Countries that End in R | 0 | - | 4.86 | 96,217 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,958 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,234 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,040 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,720 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,657 |
| Countries That End in Y | 0 | - | 4.90 | 161,277 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,845 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,001 |
| Countries that End in I | 0 | - | 4.92 | 114,229 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,635 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,920 |
| Countries That End in NIA | 0 | - | 4.93 | 100,431 |
| Countries That End in BIA | 0 | - | 4.91 | 125,496 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,532 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,182 |
| Countries That End in RIA | 0 | - | 4.89 | 100,559 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,870 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 199,084 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,851 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,676 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,565 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,663 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,083 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,469 |
