| Quiz | Points | Best | Rating | Takes |
|---|
| One Border Countries | 0 | - | 4.97 | 402,823 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,308,437 |
| Countries by Borders #1 | 0 | - | 4.99 | 174,663 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 280,928 |
| Longest Border by Country #1 | 0 | - | 4.99 | 133,710 |
| Largest Countries with No Borders | 0 | - | 4.97 | 178,469 |
| Countries by Borders #2 | 0 | - | 4.96 | 117,090 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 118,205 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 118,351 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 95,399 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.93 | 77,809 |
| Countries by Borders #3 | 0 | - | 4.99 | 89,337 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 72,317 |
| Longest Border by Country #2 | 0 | - | 4.96 | 112,447 |
| Countries with the Most Borders | 0 | - | 4.96 | 344,835 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 29,455 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,768 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 94,473 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,508 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,377 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,654 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 80,239 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 114,874 |
| Bordering Countries by HDI Difference | 0 | - | 4.93 | 47,037 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 67,430 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 142,907 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,788 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,837,747 |
| Smallest Countries Bordering Each Other | 0 | - | 4.60 | 82,931 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,947,074 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 310,590 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,169 |
| Himalayan Countries | 0 | - | 4.95 | 99,603 |
| Andean Countries | 0 | - | 4.92 | 55,221 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,167 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,442 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,373 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,824 |
| Danube Countries | 0 | - | 4.97 | 55,831 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,917 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,234 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,012 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,212 |
| European Landlocked Countries | 0 | - | 4.99 | 114,023 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,922 |
| Countries with the Most Species | 0 | - | 4.99 | 88,876 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,196 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,563 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,869 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,122 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,086 |
| Countries in the Alps | 0 | - | 4.85 | 100,672 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,753 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,351 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,596 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,021 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,295 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,333 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,335 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,297 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,725 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,549 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 68,296 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,016 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,070 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,122 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,900 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,385 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 94,887 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,501 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,417 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 188,801 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,407 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,532 |
| Largest Countries By Category | 0 | - | 4.97 | 142,565 |
| Countries by Countries | 0 | - | 4.93 | 53,356 |
| Country Flags with the Most White | 0 | - | 4.88 | 106,450 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.97 | 58,000 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,333 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,698 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 346,660 |
| Island Countries Quiz | 0 | - | 4.99 | 631,926 |
| Biggest Countries by Area | 0 | - | 4.99 | 914,116 |
| Northernmost Countries | 0 | - | 4.98 | 322,503 |
| Countries of South America | 0 | - | 5.00 | 770,542 |
| Countries of Oceania | 0 | - | 5.00 | 864,026 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,047,703 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,519,623 |
| Which Country Does Not Border... | 0 | - | 4.75 | 84,336 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,080 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 69,342 |
| Walking Across Borders with Hints #1 | 0 | - | 4.89 | 88,342 |
| Countries Bordering Two or More Oceans | 0 | - | 4.15 | 108,759 |
| Borders of One Border Countries | 0 | - | 4.05 | 67,412 |
| Random Countries by Borders | 0 | - | 5.00 | 65,070 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,112 |
| Countries with Megacities | 0 | - | 4.99 | 191,566 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,571 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,533 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,767 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,438 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,745 |
| Countries by Official Language | 0 | - | 4.94 | 151,981 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,456 |
| Countries in their Native Language | 0 | - | 4.97 | 175,208 |
| Independence from Whom | 0 | - | 4.99 | 180,261 |
| Subdivisions by Country | 0 | - | 4.84 | 45,896 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 109,945 |
| Megadiverse Countries | 0 | - | 4.94 | 123,812 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,232 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,270 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,794 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,187 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 47,980 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 74,920 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,908 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,639 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,790 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,283 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,734 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,230 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 57,130 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,204 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 77,723 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 107,352 |
| Southernmost Countries of the World | 0 | - | 4.99 | 193,810 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 88,786 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,678 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,047 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,781 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 69,879 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,215 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,410 |
| Widest Countries East to West | 0 | - | 4.91 | 117,641 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,457 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,353 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,656 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 83,977 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,738 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,444 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,021 |
| Countries with Double Letters | 0 | - | 4.96 | 64,166 |
| Countries that End in N | 0 | - | 4.94 | 129,233 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,262 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 171,375 |
| Countries with W | 0 | - | 4.97 | 119,945 |
| Countries with Z | 0 | - | 4.98 | 239,807 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,797 |
| Countries That End in U | 0 | - | 4.93 | 105,855 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,553 |
| Countries that End in O | 0 | - | 4.90 | 145,570 |
| Countries that End in R | 0 | - | 4.85 | 95,612 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,287 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,832 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,810 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,407 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,554 |
| Countries That End in Y | 0 | - | 4.89 | 160,248 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,186 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.88 | 118,772 |
| Countries that End in I | 0 | - | 4.90 | 113,691 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,054 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,873 |
| Countries That End in NIA | 0 | - | 4.91 | 99,611 |
| Countries That End in BIA | 0 | - | 4.91 | 124,388 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,078 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,236 |
| Countries That End in RIA | 0 | - | 4.83 | 99,416 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 98,941 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,165 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,347 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,003 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,013 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,607 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 94,910 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,704 |
| Countries that End in L | 0 | - | 4.94 | 132,425 |
| "Land" Countries | 0 | - | 4.98 | 285,853 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,108 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,916 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,053 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,873 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,422 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,486 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,832 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,874 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,478 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,554 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,813 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,073 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,835 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,314 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,768 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,289,882 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,178 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,998,869 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 377,385 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,603 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,491 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,501 |
