| Quiz | Points | Best | Rating | Takes |
|---|
| Countries with Double Letters | 0 | - | 4.96 | 64,369 |
| Countries that End in N | 0 | - | 4.94 | 129,288 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,324 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,416 |
| Countries with W | 0 | - | 4.97 | 119,996 |
| Countries with Z | 0 | - | 4.98 | 239,894 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,843 |
| Countries That End in U | 0 | - | 4.93 | 105,876 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,613 |
| Countries that End in O | 0 | - | 4.90 | 145,595 |
| Countries that End in R | 0 | - | 4.85 | 95,630 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,308 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,899 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,840 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,432 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,590 |
| Countries That End in Y | 0 | - | 4.89 | 160,276 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,244 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.88 | 118,815 |
| Countries that End in I | 0 | - | 4.90 | 113,707 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,118 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,903 |
| Countries That End in NIA | 0 | - | 4.91 | 99,640 |
| Countries That End in BIA | 0 | - | 4.91 | 124,427 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,124 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,266 |
| Countries That End in RIA | 0 | - | 4.83 | 99,449 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 98,974 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,286 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,410 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,054 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,065 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,637 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 94,940 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,748 |
| Countries that End in L | 0 | - | 4.94 | 132,462 |
| "Land" Countries | 0 | - | 4.98 | 285,921 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,168 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,921 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,522 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,865,157 |
| Countries with Four Letters | 0 | - | 4.99 | 372,881 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 310,881 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,296 |
| Himalayan Countries | 0 | - | 4.95 | 99,723 |
| Andean Countries | 0 | - | 4.92 | 55,291 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,218 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,492 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,458 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,867 |
| Danube Countries | 0 | - | 4.97 | 55,858 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,940 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,241 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,046 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,255 |
| European Landlocked Countries | 0 | - | 4.99 | 114,043 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,962 |
| Countries with the Most Species | 0 | - | 4.99 | 88,884 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,212 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,571 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,891 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,138 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,109 |
| Countries in the Alps | 0 | - | 4.85 | 100,717 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,797 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,403 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,614 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,044 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,330 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,353 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,366 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,312 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,735 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,573 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 68,330 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,031 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,094 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,158 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,922 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,413 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 94,962 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,518 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,432 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 188,952 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,482 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,550 |
| Largest Countries By Category | 0 | - | 4.97 | 142,622 |
| Countries by Countries | 0 | - | 4.93 | 53,383 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,950,180 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,373 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 114,909 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,802 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 346,866 |
| Island Countries Quiz | 0 | - | 4.99 | 632,215 |
| Biggest Countries by Area | 0 | - | 4.99 | 914,659 |
| Northernmost Countries | 0 | - | 4.98 | 322,805 |
| Countries of South America | 0 | - | 5.00 | 771,260 |
| Countries of Oceania | 0 | - | 5.00 | 864,906 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,050,934 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,521,593 |
| Add A Letter - Make a Country | 0 | - | 4.52 | 67,117 |
| Countries that are Free from U.S.A. | 0 | - | 4.70 | 41,885 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,198 |
| Countries with Megacities | 0 | - | 4.99 | 191,720 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,679 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,591 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,862 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,507 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,894 |
| Countries by Official Language | 0 | - | 4.94 | 152,033 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,667 |
| Countries in their Native Language | 0 | - | 4.97 | 175,261 |
| Independence from Whom | 0 | - | 4.99 | 180,354 |
| Subdivisions by Country | 0 | - | 4.84 | 45,904 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 110,010 |
| Megadiverse Countries | 0 | - | 4.94 | 123,846 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,296 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,324 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,812 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,258 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 47,997 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 74,981 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 143,160 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,933 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,650 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,846 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,305 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,753 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,246 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 57,150 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,226 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 77,812 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,829 |
| Southernmost Countries of the World | 0 | - | 4.99 | 200,314 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 89,059 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,802 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,201 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,857 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 69,969 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,305 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,461 |
| Widest Countries East to West | 0 | - | 4.91 | 117,689 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,477 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,427 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,671 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 83,997 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,788 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,487 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,033 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,084 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,896 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,442 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,561 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,878 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,911 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,528 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,606 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,853 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,080 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,848 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,333 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,791 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,465 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,273 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,000,435 |
| One Border Countries | 0 | - | 4.97 | 402,985 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.62 | 91,740 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,613 |
| Countries with J | 0 | - | 4.35 | 145,157 |
| Most Similar Country Names | 0 | - | 4.12 | 43,165 |
| Longest Country Name A-Z | 0 | - | 4.31 | 36,064 |
| Countries by Consonants | 0 | - | 4.36 | 71,867 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,310,682 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,527 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,547 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,277 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,959 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,696 |
| Countries by National Anthem | 0 | - | 4.95 | 61,339 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,831 |
| EU Countries Quiz | 0 | - | 4.99 | 223,847 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 142,098 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 76,673 |
| Countries That Use the Euro | 0 | - | 4.93 | 59,674 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 221,949 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,096 |
| German-Speaking Countries | 0 | - | 4.90 | 116,605 |
| Countries with Wild Tigers | 0 | - | 4.96 | 109,638 |
| Countries with Wild Penguins | 0 | - | 4.89 | 89,079 |
| Solve the Secret Country #1 | 0 | - | 4.97 | 124,419 |
| Top Five Countries by Religion | 0 | - | 4.88 | 137,431 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 83,472 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 79,987 |
| Olympic Host Countries | 0 | - | 4.98 | 158,929 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 96,457 |
| Anagram Chain - Countries | 0 | - | 4.99 | 93,824 |
| 10 Easternmost Countries in Europe | 0 | - | 4.82 | 89,242 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 96,616 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 224,749 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,491 |
