| Recently Independent Countries | 0 | - | 4.98 | 159,573 |
| Independence from Whom | 0 | - | 4.99 | 212,301 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,883 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,650 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,587 |
| Countries by Founding Story | 0 | - | 4.95 | 77,445 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,651,904 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,382 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,963 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,488 |
| Countries by Former Name | 0 | - | 4.99 | 125,442 |
| Historical City to Country | 0 | - | 4.84 | 78,683 |
| Landlocked Countries | 0 | - | 4.99 | 422,861 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,979 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,581 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,986 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,373 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,679 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,486 |
| Former Capitals | 0 | - | 4.88 | 71,555 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,821 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,801 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,131 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,643 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,880 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,955 |
| Himalayan Countries | 0 | - | 4.95 | 139,123 |
| Andean Countries | 0 | - | 4.93 | 84,849 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,068 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,178 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,653 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,963 |
| Danube Countries | 0 | - | 4.97 | 72,123 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,165 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,522 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,502 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,007 |
| European Landlocked Countries | 0 | - | 4.99 | 147,262 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,807 |
| Countries with the Most Species | 0 | - | 4.99 | 103,330 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,937 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,609 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,349 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,769 |
| Countries in the Alps | 0 | - | 4.87 | 118,340 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,675 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,245 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,737 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,616 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,029 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,786 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,588 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,237 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,943 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,704 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,584 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,313 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,554 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,623 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,116 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,388 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,641 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,228 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,412 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,390 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,299 |
| Largest Countries By Category | 0 | - | 4.97 | 158,369 |
| Countries by Countries | 0 | - | 4.96 | 63,340 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,812 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,318 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,893 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,114 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,770 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,386 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,786 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,870 |
| Island Countries | 0 | - | 4.99 | 711,358 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,982 |
| Northernmost Countries | 0 | - | 4.99 | 362,393 |
| Countries of South America | 0 | - | 5.00 | 928,601 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,436 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,031 |
| "Land" Countries | 0 | - | 4.98 | 337,591 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,977 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,849 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,146 |
| Battle to Country | 0 | - | 4.91 | 53,618 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,984 |
| Countries by Independence Day | 0 | - | 4.62 | 52,797 |
| Former Countries by Capital | 0 | - | 4.45 | 127,638 |
| Former Countries | 0 | - | 4.75 | 133,992 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,153 |
| Countries with Megacities | 0 | - | 4.99 | 265,194 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,171 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,975 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,615 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,688 |
| Countries by Official Language | 0 | - | 4.95 | 195,439 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,629 |
| Countries in their Native Language | 0 | - | 4.99 | 199,213 |
| Subdivisions by Country | 0 | - | 4.87 | 50,475 |
| Megadiverse Countries | 0 | - | 4.96 | 135,083 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,238 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,401 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,280 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,138 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,248 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,386 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,408 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,701 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,178 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,876 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,939 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,257 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,010 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,410 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,539 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,484 |
| World Map Quiz | 0 | - | 4.81 | 65,224 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,734 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,437 |
| Countries by Road Signs | 0 | - | 4.98 | 54,099 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,274 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,380 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,094 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,493 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,991 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,096 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,379 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,490 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,636 |
| Widest Countries East to West | 0 | - | 4.92 | 129,735 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,476 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,492 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,202 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,824 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,678 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,955 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,406 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,817 |
| Countries with Double Letters | 0 | - | 4.96 | 96,435 |
| Countries that End in N | 0 | - | 4.95 | 171,316 |
| Countries with Five Letters | 0 | - | 4.96 | 282,844 |
| Countries with Six Letters | 0 | - | 4.94 | 213,769 |
| Countries with W | 0 | - | 4.96 | 160,471 |
| Countries with Z | 0 | - | 4.98 | 291,680 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,835 |
| Countries That End in U | 0 | - | 4.95 | 120,922 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,604 |
| Countries that End in O | 0 | - | 4.92 | 159,578 |
| Countries that End in R | 0 | - | 4.87 | 119,013 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,769 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,280 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,787 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,561 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,471 |
| Countries That End in Y | 0 | - | 4.91 | 185,932 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,039 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,959 |
| Countries that End in I | 0 | - | 4.94 | 135,157 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,223 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,869 |
| Countries That End in NIA | 0 | - | 4.92 | 109,846 |
| Countries That End in BIA | 0 | - | 4.93 | 149,290 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,201 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,504 |
| Countries That End in RIA | 0 | - | 4.93 | 126,872 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,091 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,846 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,821 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,256 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,803 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,632 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,095 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,465 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,610 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,479 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,393 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,079 |
| Countries that End in L | 0 | - | 4.94 | 156,906 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,187 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,286 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,083 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,009 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,052 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,916 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,781 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,212 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,923 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,587 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,949 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,133 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,732 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,938 |
