| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,766 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,940 |
| One Border Countries | 0 | - | 4.98 | 467,238 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,819,437 |
| Landlocked Countries | 0 | - | 4.99 | 418,046 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,272,043 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,211 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,089 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,832 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,986 |
| Countries with Two Borders | 0 | - | 4.99 | 149,578 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,151 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,825 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,694 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,137 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,477 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,916 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,701 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,700 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,940 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,627 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,552 |
| Himalayan Countries | 0 | - | 4.94 | 137,038 |
| Andean Countries | 0 | - | 4.95 | 83,738 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,984 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,355 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,663 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,235 |
| Danube Countries | 0 | - | 4.97 | 71,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,418 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,976 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,490 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,542 |
| European Landlocked Countries | 0 | - | 4.99 | 146,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,003 |
| Countries with the Most Species | 0 | - | 4.99 | 102,742 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,139 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,389 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,555 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,250 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,919 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,303 |
| Countries in the Alps | 0 | - | 4.87 | 117,557 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,041 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,194 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,358 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,891 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,998 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,384 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,166 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,111 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,917 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,477 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,435 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,297 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,854 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,121 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,144 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,999 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,995 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,519 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,405 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,894 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,008 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,929 |
| Largest Countries By Category | 0 | - | 4.97 | 157,505 |
| Countries by Countries | 0 | - | 4.96 | 62,758 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,078 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,131 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,245 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,202 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,446 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,089 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,600 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,891 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,074 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,622 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,405 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,837 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,845 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,183 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,366 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,637 |
| Island Countries | 0 | - | 4.99 | 709,374 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,064 |
| Northernmost Countries | 0 | - | 4.99 | 360,080 |
| Countries of South America | 0 | - | 5.00 | 921,821 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,627 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,685 |
| "Land" Countries | 0 | - | 4.98 | 335,574 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,263 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,751 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,717 |
| Countries with Megacities | 0 | - | 4.99 | 249,844 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,553 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,805 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,874 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,798 |
| Countries by Official Language | 0 | - | 4.95 | 194,469 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,301 |
| Countries in their Native Language | 0 | - | 4.99 | 198,032 |
| Independence from Whom | 0 | - | 4.99 | 211,144 |
| Subdivisions by Country | 0 | - | 4.86 | 50,252 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,575 |
| Megadiverse Countries | 0 | - | 4.96 | 134,704 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,166 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,147 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,704 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,989 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,618 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,317 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,840 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,449 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,933 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,688 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,665 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,900 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,732 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,068 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,281 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,954 |
| World Map Quiz | 0 | - | 4.81 | 64,384 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,131 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,324 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,831 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,553 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,091 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,438 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,607 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,752 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,217 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,217 |
| Widest Countries East to West | 0 | - | 4.92 | 129,284 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,367 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,842 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,971 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,451 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,129 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,477 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,200 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,707 |
| Countries with Double Letters | 0 | - | 4.97 | 94,922 |
| Countries that End in N | 0 | - | 4.95 | 169,545 |
| Countries with Five Letters | 0 | - | 4.96 | 278,649 |
| Countries with Six Letters | 0 | - | 4.94 | 212,267 |
| Countries with W | 0 | - | 4.97 | 159,396 |
| Countries with Z | 0 | - | 4.98 | 289,603 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,595 |
| Countries That End in U | 0 | - | 4.95 | 120,349 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,612 |
| Countries that End in O | 0 | - | 4.92 | 159,143 |
| Countries that End in R | 0 | - | 4.87 | 118,682 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,468 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,178 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,013 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,008 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,596 |
| Countries That End in Y | 0 | - | 4.90 | 185,604 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,106 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,323 |
| Countries that End in I | 0 | - | 4.94 | 134,820 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,951 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,532 |
| Countries That End in NIA | 0 | - | 4.92 | 109,452 |
| Countries That End in BIA | 0 | - | 4.93 | 148,762 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,623 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,978 |
| Countries That End in RIA | 0 | - | 4.93 | 126,460 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,555 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,478 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,108 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,449 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,012 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,266 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,597 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,153 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,043 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,155 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,430 |
| Countries that End in L | 0 | - | 4.94 | 156,478 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,654 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,139 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,950 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,190 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,526 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,225 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,794 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,666 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,716 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,601 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,027 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,532 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,000 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,482 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,490 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,917 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,338 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,571 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,601 |
| Random Countries by Borders | 0 | - | 4.99 | 82,204 |
