| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,790 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,968 |
| One Border Countries | 0 | - | 4.98 | 467,352 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,425 |
| Landlocked Countries | 0 | - | 4.99 | 418,277 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,291,915 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,240 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,138 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,848 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,045 |
| Countries with Two Borders | 0 | - | 4.99 | 149,602 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,169 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,840 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,713 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,160 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,485 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,936 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,706 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,704 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,958 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,716 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,652 |
| Himalayan Countries | 0 | - | 4.94 | 137,134 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,031 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,408 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,702 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,587 |
| European Landlocked Countries | 0 | - | 4.99 | 146,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,168 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,933 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,591 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,070 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,256 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,916 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,024 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,400 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,195 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,134 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,930 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,444 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,303 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,140 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,162 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,049 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,015 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,023 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,075 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,947 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,780 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,126 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,142 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,264 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,048 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,465 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,132 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,632 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,918 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,104 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,652 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,425 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,840 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,873 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,384 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,433 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,782 |
| Island Countries | 0 | - | 4.99 | 709,493 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,379 |
| Northernmost Countries | 0 | - | 4.99 | 360,195 |
| Countries of South America | 0 | - | 5.00 | 922,137 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,003 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,588 |
| "Land" Countries | 0 | - | 4.98 | 335,659 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,278 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,353 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,790 |
| Countries with Megacities | 0 | - | 4.99 | 250,396 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,646 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,858 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,946 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,841 |
| Countries by Official Language | 0 | - | 4.95 | 194,523 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,371 |
| Countries in their Native Language | 0 | - | 4.99 | 198,087 |
| Independence from Whom | 0 | - | 4.99 | 211,190 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,610 |
| Megadiverse Countries | 0 | - | 4.96 | 134,725 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,213 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,153 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,646 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,333 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,884 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,960 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,824 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,674 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,944 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,748 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,104 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,297 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,027 |
| World Map Quiz | 0 | - | 4.81 | 64,416 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,274 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,386 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,870 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,576 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,165 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,457 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,635 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,776 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,229 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,231 |
| Widest Countries East to West | 0 | - | 4.92 | 129,316 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,886 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,977 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,472 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,151 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,490 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,214 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,714 |
| Countries with Double Letters | 0 | - | 4.97 | 94,987 |
| Countries that End in N | 0 | - | 4.95 | 169,739 |
| Countries with Five Letters | 0 | - | 4.96 | 279,358 |
| Countries with Six Letters | 0 | - | 4.94 | 212,348 |
| Countries with W | 0 | - | 4.97 | 159,439 |
| Countries with Z | 0 | - | 4.98 | 289,678 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,642 |
| Countries That End in U | 0 | - | 4.95 | 120,370 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,671 |
| Countries that End in O | 0 | - | 4.92 | 159,162 |
| Countries that End in R | 0 | - | 4.87 | 118,702 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,481 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,210 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,046 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,044 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,628 |
| Countries That End in Y | 0 | - | 4.90 | 185,616 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,148 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,350 |
| Countries that End in I | 0 | - | 4.94 | 134,833 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,997 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,546 |
| Countries That End in NIA | 0 | - | 4.92 | 109,482 |
| Countries That End in BIA | 0 | - | 4.93 | 148,790 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,650 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,001 |
| Countries That End in RIA | 0 | - | 4.93 | 126,495 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,582 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,532 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,137 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,483 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,044 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,284 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,634 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,183 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,067 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,168 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,763 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,469 |
| Countries that End in L | 0 | - | 4.94 | 156,500 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,784 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,144 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,962 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,212 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,739 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,378 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,805 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,684 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,730 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,669 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,069 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,557 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,035 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,522 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,515 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,928 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,583 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,626 |
| Random Countries by Borders | 0 | - | 4.99 | 82,235 |
