| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,040 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,726 |
| One Border Countries | 0 | - | 4.98 | 415,748 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,469,158 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,379 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,762,001 |
| Countries by Borders #1 | 0 | - | 5.00 | 178,460 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 289,815 |
| Longest Border by Country #1 | 0 | - | 4.99 | 137,351 |
| Largest Countries with No Borders | 0 | - | 4.97 | 204,080 |
| Countries with Two Borders | 0 | - | 4.99 | 129,178 |
| Countries by Borders #2 | 0 | - | 4.96 | 120,057 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 131,629 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 121,745 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 98,070 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 79,644 |
| Countries by Borders #3 | 0 | - | 4.99 | 91,408 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 73,123 |
| Longest Border by Country #2 | 0 | - | 4.96 | 114,841 |
| Countries with the Most Borders | 0 | - | 4.97 | 363,237 |
| Members of the Arab League | 0 | - | 4.86 | 66,299 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,497 |
| Himalayan Countries | 0 | - | 4.94 | 108,438 |
| Andean Countries | 0 | - | 4.91 | 60,210 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,394 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,858 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,475 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,859 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,268 |
| Danube Countries | 0 | - | 4.96 | 57,237 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,248 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,302 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,730 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,417 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,048 |
| European Landlocked Countries | 0 | - | 4.99 | 137,053 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,819 |
| Countries with the Most Species | 0 | - | 4.99 | 89,861 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,352 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,028 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,322 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,073 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,888 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,130 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,934 |
| Countries in the Alps | 0 | - | 4.84 | 103,880 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,450 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,557 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,295 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,390 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,907 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,359 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,566 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,781 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,703 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,424 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,185 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,035 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,035 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,591 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,683 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,254 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,586 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,969 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,055 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,613 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,430 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,840 |
| Largest Countries By Category | 0 | - | 4.97 | 146,453 |
| Countries by Countries | 0 | - | 4.95 | 55,612 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,171,559 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,212 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,636 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,228,757 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 30,283 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,369 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,402 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 84,653 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,073 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,959 |
| Countries with the Shortest Total Borders | 0 | - | 4.93 | 94,987 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 117,693 |
| Which Country Does Not Border... | 0 | - | 4.81 | 87,061 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 48,255 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 71,550 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,069 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,658 |
| Island Countries Quiz | 0 | - | 4.99 | 668,674 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,495 |
| Northernmost Countries | 0 | - | 4.99 | 330,918 |
| Countries of South America | 0 | - | 5.00 | 809,960 |
| Countries of Oceania | 0 | - | 5.00 | 913,665 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,611,309 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.87 | 15,756 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,029 |
| Countries with Megacities | 0 | - | 4.99 | 201,830 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,361 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,958 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,238 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,872 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,027 |
| Countries by Official Language | 0 | - | 4.96 | 175,231 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,230 |
| Countries in their Native Language | 0 | - | 4.98 | 180,569 |
| Independence from Whom | 0 | - | 4.99 | 189,366 |
| Subdivisions by Country | 0 | - | 4.84 | 46,892 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,634 |
| Megadiverse Countries | 0 | - | 4.96 | 126,796 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,909 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,584 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,817 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,339 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,889 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,633 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,715 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,854 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,078 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,261 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,941 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,475 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,403 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,029 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,483 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,738 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,821 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,957 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,719 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,689 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,058 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,277 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,082 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,566 |
| Widest Countries East to West | 0 | - | 4.93 | 120,538 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,117 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,534 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,821 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,410 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,748 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,647 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,473 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,797 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,409 |
| Countries with Double Letters | 0 | - | 4.96 | 71,789 |
| Countries that End in N | 0 | - | 4.94 | 135,969 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,832 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,527 |
| Countries with W | 0 | - | 4.96 | 125,638 |
| Countries with Z | 0 | - | 4.98 | 264,635 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,681 |
| Countries That End in U | 0 | - | 4.95 | 109,330 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,358 |
| Countries that End in O | 0 | - | 4.92 | 148,642 |
| Countries that End in R | 0 | - | 4.85 | 97,304 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,084 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,147 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,686 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,685 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,632 |
| Countries That End in Y | 0 | - | 4.90 | 162,406 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,973 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,369 |
| Countries that End in I | 0 | - | 4.92 | 115,196 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,620 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,378 |
| Countries That End in NIA | 0 | - | 4.92 | 101,809 |
| Countries That End in BIA | 0 | - | 4.91 | 127,285 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,146 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,963 |
| Countries That End in RIA | 0 | - | 4.90 | 101,881 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,742 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,550 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,599 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,723 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,277 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,893 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,830 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,154 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,686 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,484 |
| Countries that End in L | 0 | - | 4.95 | 135,833 |
| "Land" Countries | 0 | - | 4.98 | 292,299 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,261 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,882 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 69,803 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 71,120 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 90,734 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,347 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,058 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,606 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,073 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 170,946 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,806 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,907 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,388 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,564 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,615 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,301 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,271 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,372 |
| Random Countries by Borders | 0 | - | 4.99 | 67,528 |
