| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,289,976 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,191 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,227 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 99,961 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 95,111 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.82 | 84,125 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,841,419 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,947,414 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,216 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 310,639 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,179 |
| Himalayan Countries | 0 | - | 4.95 | 99,613 |
| Andean Countries | 0 | - | 4.92 | 55,225 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,174 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,448 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,384 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,829 |
| Danube Countries | 0 | - | 4.97 | 55,835 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,919 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,234 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,017 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,218 |
| European Landlocked Countries | 0 | - | 4.99 | 114,028 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,927 |
| Countries with the Most Species | 0 | - | 4.99 | 88,878 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,199 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,563 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,874 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,123 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,087 |
| Countries in the Alps | 0 | - | 4.85 | 100,681 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,757 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,364 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,598 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,022 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,297 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,334 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,339 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,299 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,725 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,552 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 68,299 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,018 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,070 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,126 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,900 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,387 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 94,895 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,505 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,418 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 188,817 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,413 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,533 |
| Largest Countries By Category | 0 | - | 4.97 | 142,570 |
| Countries by Countries | 0 | - | 4.93 | 53,359 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,337 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,821 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,047 |
| Coldest Countries | 0 | - | 4.98 | 122,209 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.90 | 47,522 |
| Countries by Airline Passengers | 0 | - | 4.93 | 48,453 |
| Countries with the Most Nobel Prizes | 0 | - | 4.85 | 82,160 |
| Countries with the Least Precipitation | 0 | - | 4.88 | 67,109 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,713 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 346,693 |
| Island Countries Quiz | 0 | - | 4.99 | 631,967 |
| Biggest Countries by Area | 0 | - | 4.99 | 914,183 |
| Northernmost Countries | 0 | - | 4.98 | 322,549 |
| Countries of South America | 0 | - | 5.00 | 770,625 |
| Countries of Oceania | 0 | - | 5.00 | 864,195 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,048,090 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,519,879 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,198 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 276,389 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 99,672 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.85 | 70,420 |
| Countries with the Most Exports | 0 | - | 4.97 | 120,729 |
| Countries by Oil Consumption | 0 | - | 4.96 | 109,934 |
| Largest Economies in 2050 | 0 | - | 4.90 | 97,435 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 235,201 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 70,801 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.88 | 59,469 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,126 |
| Countries with Megacities | 0 | - | 4.99 | 191,587 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,583 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,541 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,779 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,457 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,765 |
| Countries by Official Language | 0 | - | 4.94 | 151,987 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,474 |
| Countries in their Native Language | 0 | - | 4.97 | 175,214 |
| Independence from Whom | 0 | - | 4.99 | 180,270 |
| Subdivisions by Country | 0 | - | 4.84 | 45,897 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 109,950 |
| Megadiverse Countries | 0 | - | 4.94 | 123,817 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,242 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,273 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,796 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,197 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 47,981 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 74,925 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 142,933 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,911 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,639 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,800 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,286 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,736 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,231 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 57,132 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,207 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 77,740 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,792 |
| Southernmost Countries of the World | 0 | - | 4.99 | 195,199 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 88,819 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,700 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,062 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,796 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 69,888 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,226 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,412 |
| Widest Countries East to West | 0 | - | 4.91 | 117,646 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,460 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,366 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,659 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 83,977 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,742 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,448 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,022 |
| Countries with Double Letters | 0 | - | 4.96 | 64,196 |
| Countries that End in N | 0 | - | 4.94 | 129,243 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,267 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 171,379 |
| Countries with W | 0 | - | 4.97 | 119,951 |
| Countries with Z | 0 | - | 4.98 | 239,818 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,803 |
| Countries That End in U | 0 | - | 4.93 | 105,857 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,557 |
| Countries that End in O | 0 | - | 4.90 | 145,577 |
| Countries that End in R | 0 | - | 4.85 | 95,614 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,288 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,840 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,811 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,412 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,556 |
| Countries That End in Y | 0 | - | 4.89 | 160,250 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,194 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.88 | 118,774 |
| Countries that End in I | 0 | - | 4.90 | 113,693 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,061 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,878 |
| Countries That End in NIA | 0 | - | 4.91 | 99,615 |
| Countries That End in BIA | 0 | - | 4.91 | 124,395 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,083 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,241 |
| Countries That End in RIA | 0 | - | 4.83 | 99,420 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 98,948 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,184 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,352 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,005 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,014 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,614 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 94,913 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,715 |
| Countries that End in L | 0 | - | 4.94 | 132,430 |
| "Land" Countries | 0 | - | 4.98 | 285,858 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,114 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,918 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,062 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,877 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,427 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,498 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,837 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,881 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,482 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,560 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,819 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,073 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,836 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,316 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,770 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,999,084 |
| One Border Countries | 0 | - | 4.97 | 402,842 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,308,713 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,604 |
| Countries With One Word and Three A's | 0 | - | 4.88 | 29,494 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,502 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,477 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,935 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,673 |
| Countries by National Anthem | 0 | - | 4.95 | 61,328 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,748 |
| EU Countries Quiz | 0 | - | 4.99 | 223,770 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 142,056 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 76,657 |
| Countries That Use the Euro | 0 | - | 4.93 | 59,620 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 221,863 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,021 |
| German-Speaking Countries | 0 | - | 4.90 | 116,589 |
| Countries with Wild Tigers | 0 | - | 4.96 | 109,626 |
