| Quiz | Points | Best | Rating | Takes |
|---|
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,897 |
| Countries by Official Language | 0 | - | 4.94 | 152,078 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,816 |
| Countries in their Native Language | 0 | - | 4.97 | 175,327 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,332 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,886,050 |
| German-Speaking Countries | 0 | - | 4.90 | 116,624 |
| English Speaking Countries | 0 | - | 4.68 | 335,907 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,952,347 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 117,380 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 311,119 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,419 |
| Himalayan Countries | 0 | - | 4.95 | 99,839 |
| Andean Countries | 0 | - | 4.92 | 55,348 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,276 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,540 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,513 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,910 |
| Danube Countries | 0 | - | 4.97 | 55,879 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,958 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,254 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,067 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,292 |
| European Landlocked Countries | 0 | - | 4.99 | 114,061 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,985 |
| Countries with the Most Species | 0 | - | 4.99 | 88,891 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,215 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,581 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,919 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,143 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,136 |
| Countries in the Alps | 0 | - | 4.85 | 100,758 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,830 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,442 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,628 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,079 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,350 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,365 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,382 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,328 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,747 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,596 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 68,354 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,037 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,105 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,309 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,944 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,427 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 95,021 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,534 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,450 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 189,046 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,521 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,568 |
| Largest Countries By Category | 0 | - | 4.97 | 142,662 |
| Countries by Countries | 0 | - | 4.93 | 53,410 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,417 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 347,004 |
| Island Countries Quiz | 0 | - | 4.99 | 632,452 |
| Biggest Countries by Area | 0 | - | 4.99 | 915,034 |
| Northernmost Countries | 0 | - | 4.98 | 322,960 |
| Countries of South America | 0 | - | 5.00 | 771,747 |
| Countries of Oceania | 0 | - | 5.00 | 865,472 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,053,168 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,522,911 |
| Top World Languages | 0 | - | 4.88 | 688,716 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.48 | 103,681 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,266 |
| Countries with Megacities | 0 | - | 4.99 | 191,810 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,760 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,638 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,932 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,559 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,004 |
| Independence from Whom | 0 | - | 4.99 | 180,430 |
| Subdivisions by Country | 0 | - | 4.84 | 45,919 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 110,058 |
| Megadiverse Countries | 0 | - | 4.94 | 123,884 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,359 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,826 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,604 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 48,002 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 75,019 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 143,263 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,966 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,656 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,875 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,321 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,773 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,256 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 57,161 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,246 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 77,883 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,879 |
| Southernmost Countries of the World | 0 | - | 4.99 | 201,831 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 89,129 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,878 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,295 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,898 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 70,011 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,379 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,495 |
| Widest Countries East to West | 0 | - | 4.91 | 117,738 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,486 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,464 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,687 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 84,019 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,822 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,509 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,043 |
| Countries with Double Letters | 0 | - | 4.96 | 64,531 |
| Countries that End in N | 0 | - | 4.94 | 129,332 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,374 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,462 |
| Countries with W | 0 | - | 4.97 | 120,029 |
| Countries with Z | 0 | - | 4.98 | 239,950 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,879 |
| Countries That End in U | 0 | - | 4.93 | 105,897 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,656 |
| Countries that End in O | 0 | - | 4.90 | 145,621 |
| Countries that End in R | 0 | - | 4.85 | 95,642 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,325 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,938 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,862 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,463 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,608 |
| Countries That End in Y | 0 | - | 4.89 | 160,290 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,298 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.88 | 118,853 |
| Countries that End in I | 0 | - | 4.90 | 113,721 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,166 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,923 |
| Countries That End in NIA | 0 | - | 4.91 | 99,658 |
| Countries That End in BIA | 0 | - | 4.91 | 124,447 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,165 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,298 |
| Countries That End in RIA | 0 | - | 4.83 | 99,477 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 98,999 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,373 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,448 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,100 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,099 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,672 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 94,971 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,787 |
| Countries that End in L | 0 | - | 4.94 | 132,497 |
| "Land" Countries | 0 | - | 4.98 | 285,959 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,217 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,930 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,114 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,916 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,466 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,610 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,908 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,934 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,563 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,655 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,882 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,095 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,874 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,355 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,807 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,859 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,345 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,001,550 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,312,254 |
| One Border Countries | 0 | - | 4.97 | 403,110 |
| French-Speaking Countries Quiz | 0 | - | 4.70 | 209,861 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 49,634 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,621 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,541 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,549 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,595 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,303 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,976 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,722 |
| Capitals in their Native Languages | 0 | - | 4.94 | 120,778 |
| Countries by National Anthem | 0 | - | 4.95 | 61,354 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,912 |
| EU Countries Quiz | 0 | - | 4.99 | 223,917 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 142,131 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 76,727 |
| Countries That Use the Euro | 0 | - | 4.93 | 59,713 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 222,037 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,164 |
| Countries with Wild Tigers | 0 | - | 4.96 | 109,661 |
| Countries with Wild Penguins | 0 | - | 4.89 | 89,102 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 378,650 |
| Solve the Secret Country #1 | 0 | - | 4.97 | 124,525 |
| Top Five Countries by Religion | 0 | - | 4.88 | 137,507 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 83,552 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 80,183 |
| Olympic Host Countries | 0 | - | 4.98 | 158,979 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 96,492 |
| Anagram Chain - Countries | 0 | - | 4.99 | 93,869 |
| 10 Easternmost Countries in Europe | 0 | - | 4.82 | 89,286 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 96,676 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 224,943 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,500 |
| Countries with Fjords | 0 | - | 4.93 | 76,927 |
