| Quiz | Points | Best | Rating | Takes |
|---|
| Countries with Wild Penguins | 0 | - | 4.89 | 89,106 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 77,635 |
| Countries with the Most Sheep | 0 | - | 4.88 | 81,904 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 99,722 |
| Countries with the Most Wolves | 0 | - | 4.88 | 77,555 |
| Countries With The Most Bird Species | 0 | - | 4.88 | 18,655 |
| Countries With Two or More Bear Species | 0 | - | 4.91 | 18,442 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,887,819 |
| Countries with the Most Wild Elephants | 0 | - | 4.44 | 50,202 |
| Animal Populations of Countries | 0 | - | 4.48 | 39,536 |
| Top 15 Countries with the Most Cows | 0 | - | 4.68 | 88,600 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,952,505 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 311,142 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,429 |
| Himalayan Countries | 0 | - | 4.95 | 99,848 |
| Andean Countries | 0 | - | 4.92 | 55,353 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,279 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,543 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,516 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,914 |
| Danube Countries | 0 | - | 4.97 | 55,880 |
| 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 | 48,070 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,295 |
| European Landlocked Countries | 0 | - | 4.99 | 114,064 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,986 |
| Countries with the Most Species | 0 | - | 4.99 | 88,891 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,216 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,581 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,922 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,144 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,138 |
| Countries in the Alps | 0 | - | 4.85 | 100,766 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,830 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,444 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,629 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,081 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,352 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,369 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,383 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,330 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,750 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,596 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 68,360 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,040 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,106 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,327 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,945 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,431 |
| 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 | 52,451 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 189,054 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,522 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,569 |
| Largest Countries By Category | 0 | - | 4.97 | 142,664 |
| Countries by Countries | 0 | - | 4.93 | 53,410 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,419 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,903 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 347,021 |
| Island Countries Quiz | 0 | - | 4.99 | 632,469 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,060 |
| Biggest Countries by Area | 0 | - | 4.99 | 915,061 |
| Northernmost Countries | 0 | - | 4.98 | 322,982 |
| Countries of South America | 0 | - | 5.00 | 771,778 |
| Countries of Oceania | 0 | - | 5.00 | 865,522 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,053,354 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,523,000 |
| Countries with Wild Lions | 0 | - | 4.76 | 20,073 |
| Where Do Musk Oxen Live? | 0 | - | 4.59 | 14,480 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,273 |
| Countries with Megacities | 0 | - | 4.99 | 191,820 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,768 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,640 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,937 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,564 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,010 |
| Countries by Official Language | 0 | - | 4.94 | 152,079 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,828 |
| Countries in their Native Language | 0 | - | 4.97 | 175,340 |
| Independence from Whom | 0 | - | 4.99 | 180,440 |
| Subdivisions by Country | 0 | - | 4.84 | 45,920 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 110,064 |
| Megadiverse Countries | 0 | - | 4.94 | 123,887 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,334 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,361 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,828 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,642 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 48,005 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 75,024 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 143,277 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,971 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,656 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,877 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,325 |
| 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 | 64,247 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,883 |
| Southernmost Countries of the World | 0 | - | 4.99 | 201,958 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 89,140 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,885 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,311 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,903 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 70,014 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,384 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,499 |
| Widest Countries East to West | 0 | - | 4.91 | 117,740 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,486 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,468 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,688 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 84,021 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,824 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,513 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,043 |
| Countries with Double Letters | 0 | - | 4.96 | 64,550 |
| Countries that End in N | 0 | - | 4.94 | 129,335 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,377 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,469 |
| Countries with W | 0 | - | 4.97 | 120,032 |
| Countries with Z | 0 | - | 4.98 | 239,956 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,882 |
| Countries That End in U | 0 | - | 4.93 | 105,900 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,661 |
| Countries that End in O | 0 | - | 4.90 | 145,622 |
| Countries that End in R | 0 | - | 4.85 | 95,643 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,326 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,944 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,866 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,467 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,615 |
| Countries That End in Y | 0 | - | 4.89 | 160,295 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,303 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.88 | 118,854 |
| Countries that End in I | 0 | - | 4.90 | 113,723 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,171 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,924 |
| Countries That End in NIA | 0 | - | 4.91 | 99,661 |
| Countries That End in BIA | 0 | - | 4.91 | 124,448 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,171 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,304 |
| Countries That End in RIA | 0 | - | 4.83 | 99,481 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 98,999 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,379 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,452 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,107 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,100 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,676 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,790 |
| Countries that End in L | 0 | - | 4.94 | 132,499 |
| "Land" Countries | 0 | - | 4.98 | 285,969 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,223 |
| 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 | 98,917 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,467 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,611 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,911 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,941 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,566 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,663 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,884 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,095 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,875 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,356 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,808 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,881 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,351 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,001,658 |
| Top 10 Countries with the Most Horses | 0 | - | 4.48 | 63,318 |
| One Border Countries | 0 | - | 4.97 | 403,119 |
| Countries with More Cows than People | 0 | - | 4.38 | 47,162 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,312,404 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,621 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,545 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,554 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,602 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,309 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,978 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,724 |
| Countries by National Anthem | 0 | - | 4.95 | 61,356 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,918 |
| EU Countries Quiz | 0 | - | 4.99 | 223,924 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 142,140 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 76,734 |
| Countries That Use the Euro | 0 | - | 4.93 | 59,715 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 222,041 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,176 |
| German-Speaking Countries | 0 | - | 4.90 | 116,626 |
| Solve the Secret Country #1 | 0 | - | 4.97 | 124,548 |
| Top Five Countries by Religion | 0 | - | 4.88 | 137,516 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 83,559 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 80,205 |
| Olympic Host Countries | 0 | - | 4.98 | 158,983 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 96,495 |
| Anagram Chain - Countries | 0 | - | 4.99 | 93,875 |
| 10 Easternmost Countries in Europe | 0 | - | 4.82 | 89,292 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 96,681 |
