| Quiz | Points | Best | Rating | Takes |
|---|
| Countries with Double Letters | 0 | - | 4.96 | 64,667 |
| Countries that End in N | 0 | - | 4.94 | 129,379 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,446 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,509 |
| Countries with W | 0 | - | 4.97 | 120,067 |
| Countries with Z | 0 | - | 4.98 | 240,020 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,910 |
| Countries That End in U | 0 | - | 4.93 | 105,917 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,692 |
| Countries that End in O | 0 | - | 4.90 | 145,642 |
| Countries that End in R | 0 | - | 4.85 | 95,655 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,335 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,995 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,898 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,496 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,639 |
| Countries That End in Y | 0 | - | 4.89 | 160,313 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,358 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.89 | 118,893 |
| Countries that End in I | 0 | - | 4.90 | 113,739 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,211 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,937 |
| Countries That End in NIA | 0 | - | 4.91 | 99,679 |
| Countries That End in BIA | 0 | - | 4.91 | 124,472 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,210 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,335 |
| Countries That End in RIA | 0 | - | 4.83 | 99,503 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 99,021 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,454 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,496 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,156 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,134 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,705 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,005 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,815 |
| Countries that End in L | 0 | - | 4.94 | 132,527 |
| "Land" Countries | 0 | - | 4.98 | 286,024 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,269 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,933 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,569 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,909,038 |
| Countries with Four Letters | 0 | - | 4.99 | 372,975 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 311,358 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,538 |
| Himalayan Countries | 0 | - | 4.95 | 99,938 |
| Andean Countries | 0 | - | 4.92 | 55,419 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,331 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,586 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,570 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,937 |
| Danube Countries | 0 | - | 4.97 | 55,895 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,972 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,272 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,095 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,329 |
| European Landlocked Countries | 0 | - | 4.99 | 114,076 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,025 |
| Countries with the Most Species | 0 | - | 4.99 | 88,903 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,226 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,584 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,152 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,165 |
| Countries in the Alps | 0 | - | 4.85 | 100,804 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,877 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,478 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,650 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,106 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,566 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,384 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,409 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,357 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,761 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,617 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.90 | 68,386 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,061 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,116 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,377 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,967 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,452 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 95,072 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,548 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,467 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 189,163 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,569 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,587 |
| Largest Countries By Category | 0 | - | 4.97 | 142,715 |
| Countries by Countries | 0 | - | 4.93 | 53,434 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,954,473 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,457 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 114,960 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,987 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 347,194 |
| Island Countries Quiz | 0 | - | 4.99 | 632,702 |
| Biggest Countries by Area | 0 | - | 4.99 | 915,377 |
| Northernmost Countries | 0 | - | 4.98 | 323,077 |
| Countries of South America | 0 | - | 5.00 | 772,255 |
| Countries of Oceania | 0 | - | 5.00 | 866,073 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,055,558 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,524,252 |
| Add A Letter - Make a Country | 0 | - | 4.52 | 67,164 |
| Countries that are Free from U.S.A. | 0 | - | 4.70 | 41,925 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,343 |
| Countries with Megacities | 0 | - | 4.99 | 191,912 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,839 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,679 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,992 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 61,592 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,108 |
| Countries by Official Language | 0 | - | 4.94 | 152,121 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.89 | 242,974 |
| Countries in their Native Language | 0 | - | 4.97 | 175,391 |
| Independence from Whom | 0 | - | 4.99 | 180,514 |
| Subdivisions by Country | 0 | - | 4.84 | 45,927 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 110,112 |
| Megadiverse Countries | 0 | - | 4.94 | 123,915 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,377 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,388 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,844 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,753 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 48,022 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 75,050 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 143,356 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,993 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,663 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,929 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,342 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,784 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,261 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 57,182 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,268 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 77,956 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,912 |
| Southernmost Countries of the World | 0 | - | 4.99 | 202,636 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 89,174 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,931 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,397 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,935 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 70,043 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,438 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,537 |
| Widest Countries East to West | 0 | - | 4.91 | 117,766 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,494 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,499 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,701 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 84,041 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,855 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,533 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,048 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,140 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,937 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,494 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,662 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,940 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,972 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,595 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,702 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,916 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,103 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,891 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,368 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,826 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,291,278 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,429 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,002,870 |
| One Border Countries | 0 | - | 4.97 | 403,245 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.62 | 91,790 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,627 |
| Countries with J | 0 | - | 4.35 | 145,229 |
| Most Similar Country Names | 0 | - | 4.12 | 43,180 |
| Longest Country Name A-Z | 0 | - | 4.31 | 36,099 |
| Countries by Consonants | 0 | - | 4.36 | 71,916 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,313,854 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,578 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,661 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,351 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,006 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 63,748 |
| Countries by National Anthem | 0 | - | 4.95 | 61,361 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,981 |
| EU Countries Quiz | 0 | - | 4.99 | 223,991 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 142,166 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 76,772 |
| Countries That Use the Euro | 0 | - | 4.93 | 59,761 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 222,109 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,247 |
| German-Speaking Countries | 0 | - | 4.90 | 116,656 |
| Countries with Wild Tigers | 0 | - | 4.96 | 109,683 |
| Countries with Wild Penguins | 0 | - | 4.89 | 89,116 |
| Solve the Secret Country #1 | 0 | - | 4.96 | 124,695 |
| Top Five Countries by Religion | 0 | - | 4.88 | 137,577 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 83,665 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 80,292 |
| Olympic Host Countries | 0 | - | 4.98 | 159,029 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 96,543 |
| Anagram Chain - Countries | 0 | - | 4.99 | 93,956 |
| 10 Easternmost Countries in Europe | 0 | - | 4.82 | 89,332 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 96,731 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 225,127 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 94,504 |
