| One Border Countries | 0 | - | 4.98 | 447,970 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,662,475 |
| Countries by Borders #1 | 0 | - | 5.00 | 188,924 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 302,165 |
| Longest Border by Country #1 | 0 | - | 4.99 | 141,814 |
| Largest Countries with No Borders | 0 | - | 4.96 | 212,798 |
| Countries with Two Borders | 0 | - | 4.99 | 133,944 |
| Countries by Borders #2 | 0 | - | 4.96 | 124,762 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 136,829 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 126,808 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.93 | 91,350 |
| Countries by Borders #3 | 0 | - | 4.99 | 94,827 |
| Bordering Countries Forming Words #1 | 0 | - | 4.91 | 74,535 |
| Longest Border by Country #2 | 0 | - | 4.96 | 118,280 |
| Countries with the Most Borders | 0 | - | 4.97 | 375,346 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 31,586 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 82,160 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 110,421 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,018 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,402 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 85,850 |
| Countries with the Shortest Total Borders | 0 | - | 4.93 | 99,914 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,194 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 50,299 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 77,707 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,092 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,715 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 20,355 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,834,295 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 389,509 |
| Smallest Countries Bordering Each Other | 0 | - | 4.62 | 88,837 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,446,790 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,521,180 |
| Sahara Desert Countries | 0 | - | 4.97 | 148,977 |
| Himalayan Countries | 0 | - | 4.94 | 125,149 |
| Andean Countries | 0 | - | 4.93 | 70,459 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 58,000 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,378 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,382 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,509 |
| Danube Countries | 0 | - | 4.97 | 61,625 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 97,961 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,657 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,158 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 140,627 |
| European Landlocked Countries | 0 | - | 4.99 | 142,029 |
| Partially Recognized Countries | 0 | - | 4.98 | 99,750 |
| Countries with the Most Species | 0 | - | 4.99 | 93,126 |
| Countries 197 to 205 | 0 | - | 4.87 | 64,685 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,053 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,136 |
| Countries that Use the Peso | 0 | - | 4.89 | 56,983 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,508 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,408 |
| Countries in the Alps | 0 | - | 4.86 | 111,916 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,529 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,357 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 84,445 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,596 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,089 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,449 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,441 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,453 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,692 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,498 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,761 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,443 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,257 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 110,747 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,404 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,332 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,498 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 225,934 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,384 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,666 |
| Largest Countries By Category | 0 | - | 4.97 | 152,402 |
| Countries by Countries | 0 | - | 4.96 | 59,108 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,722 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 362,470 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 386,205 |
| Island Countries Quiz | 0 | - | 4.99 | 694,835 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,005,302 |
| Northernmost Countries | 0 | - | 4.99 | 344,799 |
| Countries of South America | 0 | - | 5.00 | 873,353 |
| Countries of Oceania | 0 | - | 5.00 | 988,780 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,753,460 |
| Which Country Does Not Border... | 0 | - | 4.78 | 90,972 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,282,787 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 80,044 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 74,768 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 104,983 |
| Countries Bordering Two or More Oceans | 0 | - | 4.21 | 121,334 |
| Borders of One Border Countries | 0 | - | 4.19 | 84,764 |
| Random Countries by Borders | 0 | - | 4.99 | 78,688 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,281 |
| Countries with Megacities | 0 | - | 4.99 | 221,808 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,143 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,508 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,605 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 74,886 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 297,767 |
| Countries by Official Language | 0 | - | 4.95 | 185,891 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 284,377 |
| Countries in their Native Language | 0 | - | 4.98 | 190,263 |
| Independence from Whom | 0 | - | 4.99 | 202,174 |
| Subdivisions by Country | 0 | - | 4.85 | 48,864 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,378 |
| Megadiverse Countries | 0 | - | 4.97 | 131,174 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 123,807 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,329 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,601 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,448 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,551 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,750 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,121 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 88,424 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,980 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,617 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 69,404 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,264 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,427 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,905 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,617 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,127 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 100,369 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,162 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 99,849 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,649 |
| Countries With the Most Languages | 0 | - | 4.89 | 191,697 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 96,576 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,470 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 94,686 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,925 |
| Tallest Countries North to South | 0 | - | 4.84 | 116,540 |
| Widest Countries East to West | 0 | - | 4.92 | 125,612 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,404 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,416 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,941 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 91,055 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,167 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,040 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,259 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,798 |
| Countries with Double Letters | 0 | - | 4.97 | 84,926 |
| Countries that End in N | 0 | - | 4.94 | 148,506 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 248,970 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 202,839 |
| Countries with W | 0 | - | 4.97 | 151,840 |
| Countries with Z | 0 | - | 4.98 | 278,670 |
| Countries with Letters Missing | 0 | - | 4.97 | 178,488 |
| Countries That End in U | 0 | - | 4.95 | 115,652 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 102,570 |
| Countries that End in O | 0 | - | 4.92 | 155,435 |
| Countries that End in R | 0 | - | 4.83 | 100,601 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,551 |
| Countries Ending in "IA" | 0 | - | 4.99 | 200,018 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 164,837 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,303 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,109 |
| Countries That End in Y | 0 | - | 4.91 | 182,772 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,065 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 146,977 |
| Countries that End in I | 0 | - | 4.92 | 117,985 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 168,185 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,009 |
| Countries That End in NIA | 0 | - | 4.92 | 105,779 |
| Countries That End in BIA | 0 | - | 4.92 | 143,686 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,242 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,605 |
| Countries That End in RIA | 0 | - | 4.89 | 106,100 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,851 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 217,729 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 128,481 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,429 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,256 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,864 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,428 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,999 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,956 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,886 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 48,948 |
| Countries that End in L | 0 | - | 4.94 | 152,851 |
| "Land" Countries | 0 | - | 4.98 | 301,046 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 198,770 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,185 |
| City to Country Quiz #1 | 0 | - | 4.96 | 151,370 |
| City to Country Quiz #3 | 0 | - | 4.87 | 105,442 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,153 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 221,626 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 194,233 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,217 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,209 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 217,943 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 148,203 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,288 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,323 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,168 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,277 |
