| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,035 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,362 |
| One Border Countries | 0 | - | 4.98 | 469,925 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,141 |
| Landlocked Countries | 0 | - | 4.99 | 422,085 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,591,447 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,649 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,096 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,424 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,704 |
| Countries with Two Borders | 0 | - | 4.99 | 149,959 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,501 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,190 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,070 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,519 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,704 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,174 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,790 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,780 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,263 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,123 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,519 |
| Himalayan Countries | 0 | - | 4.94 | 138,786 |
| Andean Countries | 0 | - | 4.93 | 84,641 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,834 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,871 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,826 |
| Danube Countries | 0 | - | 4.97 | 72,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,028 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,433 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,337 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,816 |
| European Landlocked Countries | 0 | - | 4.99 | 147,154 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,669 |
| Countries with the Most Species | 0 | - | 4.99 | 103,249 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,784 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,548 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,240 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,672 |
| Countries in the Alps | 0 | - | 4.87 | 118,225 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,179 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,054 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,662 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,602 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,527 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,505 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,186 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,663 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,238 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,483 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,538 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,928 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,318 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,930 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,094 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,992 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,156 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,241 |
| Largest Countries By Category | 0 | - | 4.97 | 158,232 |
| Countries by Countries | 0 | - | 4.96 | 63,239 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,702 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,293 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,684 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,605 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,703 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,735 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,157 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,497 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,041 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,781 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 52,003 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,649 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,536 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,353 |
| Island Countries | 0 | - | 4.99 | 711,086 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,017 |
| Northernmost Countries | 0 | - | 4.99 | 362,007 |
| Countries of South America | 0 | - | 5.00 | 927,516 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,141 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,681 |
| "Land" Countries | 0 | - | 4.98 | 337,365 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,523 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,927 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,922 |
| Countries with Megacities | 0 | - | 4.99 | 264,611 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,482 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,017 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,555 |
| Countries by Official Language | 0 | - | 4.95 | 195,278 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,399 |
| Countries in their Native Language | 0 | - | 4.99 | 199,063 |
| Independence from Whom | 0 | - | 4.99 | 212,127 |
| Subdivisions by Country | 0 | - | 4.86 | 50,434 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,751 |
| Megadiverse Countries | 0 | - | 4.96 | 135,021 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,114 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,365 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,241 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,110 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,154 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,488 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,663 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,149 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,686 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,889 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,207 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,969 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,357 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,502 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,212 |
| World Map Quiz | 0 | - | 4.81 | 65,107 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,341 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,111 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,285 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,003 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,224 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,903 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,020 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,309 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,446 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,583 |
| Widest Countries East to West | 0 | - | 4.92 | 129,656 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,460 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,391 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,123 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,773 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,606 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,880 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,376 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,800 |
| Countries with Double Letters | 0 | - | 4.96 | 96,247 |
| Countries that End in N | 0 | - | 4.95 | 171,135 |
| Countries with Five Letters | 0 | - | 4.96 | 282,496 |
| Countries with Six Letters | 0 | - | 4.94 | 213,561 |
| Countries with W | 0 | - | 4.97 | 160,330 |
| Countries with Z | 0 | - | 4.98 | 291,462 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,708 |
| Countries That End in U | 0 | - | 4.95 | 120,859 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,469 |
| Countries that End in O | 0 | - | 4.92 | 159,511 |
| Countries that End in R | 0 | - | 4.87 | 118,972 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,731 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,103 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,700 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,475 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,399 |
| Countries That End in Y | 0 | - | 4.91 | 185,873 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,922 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,860 |
| Countries that End in I | 0 | - | 4.94 | 135,093 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,112 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,823 |
| Countries That End in NIA | 0 | - | 4.92 | 109,788 |
| Countries That End in BIA | 0 | - | 4.93 | 149,202 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,124 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,426 |
| Countries That End in RIA | 0 | - | 4.93 | 126,806 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,022 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,625 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,709 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,125 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,678 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,579 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,031 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,444 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,527 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,422 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,287 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,983 |
| Countries that End in L | 0 | - | 4.94 | 156,840 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,788 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,264 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,154 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,467 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,062 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,695 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,028 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,956 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,001 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,754 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,652 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,992 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,543 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,443 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,861 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,101 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,707 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,872 |
| Random Countries by Borders | 0 | - | 4.99 | 82,643 |
