| One Border Countries | 0 | - | 4.98 | 472,239 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,850,774 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,790 |
| 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 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,942 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,457 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,751 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,810 |
| 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 | 140,338 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,165 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,843 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,592 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,758 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,921,318 |
| Landlocked Countries | 0 | - | 4.99 | 426,574 |
| Smallest Countries Bordering Each Other | 0 | - | 4.55 | 93,186 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,945 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,558 |
| Himalayan Countries | 0 | - | 4.93 | 140,491 |
| Andean Countries | 0 | - | 4.94 | 85,624 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,759 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,228 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,322 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,554 |
| 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 | 107,402 |
| 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 | 107,998 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,092 |
| 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 | 75,614 |
| 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 | 109,312 |
| 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 | 63,714 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,155 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,979 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,860 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,012 |
| Island Countries | 0 | - | 4.99 | 712,763 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,392 |
| Northernmost Countries | 0 | - | 4.99 | 364,295 |
| Countries of South America | 0 | - | 5.00 | 933,422 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,416 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,023 |
| "Land" Countries | 0 | - | 4.98 | 338,555 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,978 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,309 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,389 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,705 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,359 |
| Countries Bordering Two or More Oceans | 0 | - | 4.22 | 123,334 |
| Borders of One Border Countries | 0 | - | 4.14 | 86,468 |
| Random Countries by Borders | 0 | - | 4.99 | 83,142 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,322 |
| Countries with Megacities | 0 | - | 4.99 | 267,475 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,232 |
| 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 | 196,122 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,785 |
| Countries in their Native Language | 0 | - | 4.99 | 199,845 |
| Independence from Whom | 0 | - | 4.99 | 213,227 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,560 |
| Megadiverse Countries | 0 | - | 4.96 | 145,242 |
| 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 of the World in Alphabetical Order | 0 | - | 5.00 | 112,534 |
| 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 | 203,737 |
| 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 | 97,234 |
| Countries that End in N | 0 | - | 4.95 | 172,331 |
| Countries with Five Letters | 0 | - | 4.96 | 284,201 |
| Countries with Six Letters | 0 | - | 4.94 | 214,644 |
| Countries with W | 0 | - | 4.96 | 161,058 |
| Countries with Z | 0 | - | 4.98 | 292,626 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,402 |
| Countries That End in U | 0 | - | 4.95 | 121,251 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,208 |
| Countries that End in O | 0 | - | 4.92 | 160,270 |
| Countries that End in R | 0 | - | 4.87 | 119,217 |
| 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 | 171,976 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,891 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,844 |
| 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 | 135,363 |
| 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 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,556 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,973 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,675 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,493 |
| Countries that End in L | 0 | - | 4.94 | 157,183 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,238 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,362 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,583 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,052 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,494 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,530 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,216 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,467 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,336 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,066 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,267 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,266 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,957 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,852 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,297 |
