| Quiz | Points | Best | Rating | Takes |
|---|
| Countries with Wild Penguins | 0 | - | 4.89 | 89,121 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 77,649 |
| Countries with the Most Sheep | 0 | - | 4.88 | 81,914 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 99,747 |
| Countries with the Most Wolves | 0 | - | 4.88 | 77,576 |
| Countries With The Most Bird Species | 0 | - | 4.88 | 18,678 |
| Countries With Two or More Bear Species | 0 | - | 4.91 | 18,446 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,917,316 |
| Countries with the Most Wild Elephants | 0 | - | 4.44 | 50,208 |
| Top 15 Countries with the Most Cows | 0 | - | 4.68 | 88,617 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,955,437 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 311,428 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,584 |
| Himalayan Countries | 0 | - | 4.95 | 99,965 |
| Andean Countries | 0 | - | 4.92 | 55,430 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,357 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,605 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,593 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,949 |
| Danube Countries | 0 | - | 4.97 | 55,899 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,974 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,279 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,105 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,341 |
| European Landlocked Countries | 0 | - | 4.99 | 114,079 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,035 |
| Countries with the Most Species | 0 | - | 4.99 | 88,906 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,228 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,586 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,972 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,155 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,170 |
| Countries in the Alps | 0 | - | 4.85 | 100,809 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,885 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,493 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,655 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,111 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,651 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,417 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,361 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,764 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,624 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.90 | 68,402 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,065 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,124 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,382 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,974 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,461 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 95,091 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,553 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,473 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 189,213 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,596 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,594 |
| Largest Countries By Category | 0 | - | 4.97 | 142,730 |
| Countries by Countries | 0 | - | 4.93 | 53,440 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,466 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 336,014 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 347,248 |
| Island Countries Quiz | 0 | - | 4.99 | 632,772 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,065 |
| Biggest Countries by Area | 0 | - | 4.99 | 915,500 |
| Northernmost Countries | 0 | - | 4.98 | 323,114 |
| Countries of South America | 0 | - | 5.00 | 772,436 |
| Countries of Oceania | 0 | - | 5.00 | 866,328 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,056,302 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,524,664 |
| Countries with Wild Lions | 0 | - | 4.76 | 20,088 |
| Where Do Musk Oxen Live? | 0 | - | 4.59 | 14,484 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,363 |
| Countries with Megacities | 0 | - | 4.99 | 191,941 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,690 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 92,012 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 61,609 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,128 |
| Countries by Official Language | 0 | - | 4.94 | 152,140 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.89 | 243,026 |
| Countries in their Native Language | 0 | - | 4.97 | 175,419 |
| Independence from Whom | 0 | - | 4.99 | 180,549 |
| Subdivisions by Country | 0 | - | 4.84 | 45,930 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 110,126 |
| Megadiverse Countries | 0 | - | 4.94 | 123,923 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,393 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,396 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,849 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,767 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 48,026 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 75,062 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 143,380 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 76,004 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,667 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,940 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,347 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,792 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,264 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 57,191 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,274 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 77,982 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,921 |
| Southernmost Countries of the World | 0 | - | 4.99 | 202,822 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 89,190 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,948 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,423 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,941 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 70,052 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,451 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,553 |
| Widest Countries East to West | 0 | - | 4.91 | 117,775 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,496 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,515 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,704 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 84,054 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,865 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,540 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,051 |
| Countries with Double Letters | 0 | - | 4.96 | 64,706 |
| Countries that End in N | 0 | - | 4.94 | 129,397 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,476 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,529 |
| Countries with W | 0 | - | 4.97 | 120,076 |
| Countries with Z | 0 | - | 4.98 | 240,036 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,925 |
| Countries That End in U | 0 | - | 4.93 | 105,925 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,704 |
| Countries that End in O | 0 | - | 4.90 | 145,656 |
| Countries that End in R | 0 | - | 4.85 | 95,656 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,341 |
| Countries Ending in "IA" | 0 | - | 4.99 | 168,008 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,914 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,506 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,652 |
| Countries That End in Y | 0 | - | 4.89 | 160,324 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,372 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.89 | 118,908 |
| Countries that End in I | 0 | - | 4.90 | 113,741 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,233 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,946 |
| Countries That End in NIA | 0 | - | 4.91 | 99,682 |
| Countries That End in BIA | 0 | - | 4.91 | 124,479 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,226 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,341 |
| Countries That End in RIA | 0 | - | 4.83 | 99,505 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 99,029 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,477 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,513 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,169 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,153 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,717 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,836 |
| Countries that End in L | 0 | - | 4.94 | 132,539 |
| "Land" Countries | 0 | - | 4.98 | 286,047 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,284 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,933 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,150 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,945 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,503 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,671 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,953 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,981 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,604 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,721 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,929 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,104 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,897 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,372 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,835 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,291,406 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,455 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,003,344 |
| Top 10 Countries with the Most Horses | 0 | - | 4.48 | 63,388 |
| One Border Countries | 0 | - | 4.97 | 403,279 |
| Countries with More Cows than People | 0 | - | 4.38 | 47,172 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,314,513 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,630 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,574 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,592 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,678 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,363 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,013 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 63,754 |
| Countries by National Anthem | 0 | - | 4.95 | 61,361 |
| NATO Countries Quiz | 0 | - | 4.98 | 221,009 |
| EU Countries Quiz | 0 | - | 4.99 | 224,012 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 142,180 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 76,782 |
| Countries That Use the Euro | 0 | - | 4.93 | 59,772 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 222,136 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,269 |
| German-Speaking Countries | 0 | - | 4.90 | 116,663 |
| Solve the Secret Country #1 | 0 | - | 4.96 | 124,742 |
| Top Five Countries by Religion | 0 | - | 4.88 | 137,615 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 83,704 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 80,301 |
| Olympic Host Countries | 0 | - | 4.98 | 159,048 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 96,550 |
| Anagram Chain - Countries | 0 | - | 4.99 | 93,984 |
| 10 Easternmost Countries in Europe | 0 | - | 4.82 | 89,349 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 96,743 |
