| Countries with the Most Borders | 0 | - | 4.97 | 390,790 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,942 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,455 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,751 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,809 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,962 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,493 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,337 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,165 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,592 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,758 |
| One Border Countries | 0 | - | 4.98 | 472,239 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,841 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,389 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,704 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,359 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,940 |
| Random Countries by Borders | 0 | - | 4.99 | 83,142 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,656,094 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,921,247 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,060 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,907 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,292 |
| Countries by Borders #1 | 0 | - | 5.00 | 195,079 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 314,156 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,790 |
| Largest Countries with No Borders | 0 | - | 4.96 | 222,441 |
| Countries with Two Borders | 0 | - | 4.99 | 150,416 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,833 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,578 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,776 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,852 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,907 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,428 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,883 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,864 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,506 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,984 |
| Landlocked Countries | 0 | - | 4.99 | 426,572 |
| Pixelated World Map | 0 | - | 5.00 | 144,159 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,644 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,932 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,942 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,556 |
| Himalayan Countries | 0 | - | 4.93 | 140,491 |
| Andean Countries | 0 | - | 4.94 | 85,623 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,758 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,227 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,322 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,552 |
| Danube Countries | 0 | - | 4.97 | 72,472 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,903 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,271 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,740 |
| European Landlocked Countries | 0 | - | 4.99 | 147,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,401 |
| Countries with the Most Species | 0 | - | 4.99 | 103,607 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,513 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,914 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,877 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,621 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,073 |
| Countries in the Alps | 0 | - | 4.87 | 118,858 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,796 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,996 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,091 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,041 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,323 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,471 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,925 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,466 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,241 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,916 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,784 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,615 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,851 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,951 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,996 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,661 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,609 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,754 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,958 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,311 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,554 |
| Largest Countries By Category | 0 | - | 4.97 | 158,954 |
| Countries by Countries | 0 | - | 4.97 | 63,713 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,334 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,179 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,471 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,154 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,978 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,860 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,010 |
| Island Countries | 0 | - | 4.99 | 712,762 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,392 |
| Northernmost Countries | 0 | - | 4.99 | 364,294 |
| Countries of South America | 0 | - | 5.00 | 933,422 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,415 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,021 |
| "Land" Countries | 0 | - | 4.98 | 338,551 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,978 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,000 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,305 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,554 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,237 |
| European Countries with One Border | 0 | - | 4.97 | 183,896 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,612 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,322 |
| Countries with Megacities | 0 | - | 4.99 | 267,473 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,230 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,318 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,333 |
| Countries by Official Language | 0 | - | 4.95 | 196,121 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,784 |
| Countries in their Native Language | 0 | - | 4.99 | 199,845 |
| Independence from Whom | 0 | - | 4.99 | 213,226 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,559 |
| Megadiverse Countries | 0 | - | 4.96 | 145,228 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,036 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,556 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,749 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,238 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,347 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,891 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,183 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,122 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,640 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,433 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,465 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,177 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,915 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,089 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,534 |
| World Map Quiz | 0 | - | 4.81 | 65,825 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,162 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,559 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,656 |
| Countries by Founding Story | 0 | - | 4.95 | 77,857 |
| Countries by Road Signs | 0 | - | 4.98 | 54,393 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,382 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,159 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,623 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,735 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,606 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,789 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,728 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,849 |
| Widest Countries East to West | 0 | - | 4.92 | 130,778 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,616 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,309 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,536 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,098 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,040 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,536 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,517 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,908 |
| Countries with Double Letters | 0 | - | 4.96 | 97,232 |
| Countries that End in N | 0 | - | 4.95 | 172,329 |
| Countries with Five Letters | 0 | - | 4.96 | 284,199 |
| Countries with Six Letters | 0 | - | 4.94 | 214,640 |
| Countries with W | 0 | - | 4.96 | 161,058 |
| Countries with Z | 0 | - | 4.98 | 292,625 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,400 |
| Countries That End in U | 0 | - | 4.95 | 121,250 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,206 |
| Countries that End in O | 0 | - | 4.92 | 160,270 |
| Countries that End in R | 0 | - | 4.87 | 119,216 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,979 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,967 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,890 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,891 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,840 |
| Countries That End in Y | 0 | - | 4.91 | 186,114 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,558 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,328 |
| Countries that End in I | 0 | - | 4.94 | 135,362 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,707 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,092 |
| Countries That End in NIA | 0 | - | 4.92 | 110,098 |
| Countries That End in BIA | 0 | - | 4.93 | 149,644 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,815 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,813 |
| Countries That End in RIA | 0 | - | 4.93 | 127,092 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,449 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,756 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,265 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,718 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,277 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,844 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,372 |
