| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,415 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,907 |
| One Border Countries | 0 | - | 4.98 | 407,166 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,364,803 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,750 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,557,103 |
| Countries by Borders #1 | 0 | - | 5.00 | 175,867 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 284,008 |
| Longest Border by Country #1 | 0 | - | 4.99 | 134,768 |
| Largest Countries with No Borders | 0 | - | 4.97 | 180,250 |
| Countries with Two Borders | 0 | - | 4.99 | 127,316 |
| Countries by Borders #2 | 0 | - | 4.96 | 117,973 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 119,175 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 119,564 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 96,322 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 78,446 |
| Countries by Borders #3 | 0 | - | 4.98 | 90,002 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 72,596 |
| Longest Border by Country #2 | 0 | - | 4.96 | 113,175 |
| Countries with the Most Borders | 0 | - | 4.97 | 357,985 |
| Countries on the Equator | 0 | - | 4.83 | 133,219 |
| Members of the Arab League | 0 | - | 4.83 | 59,750 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,460 |
| Himalayan Countries | 0 | - | 4.95 | 102,844 |
| Andean Countries | 0 | - | 4.90 | 57,149 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,005 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,662 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,010 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,634 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,831 |
| Danube Countries | 0 | - | 4.97 | 56,403 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,442 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,641 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,517 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,903 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,537 |
| European Landlocked Countries | 0 | - | 4.99 | 114,896 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,869 |
| Countries with the Most Species | 0 | - | 4.99 | 89,116 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,941 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,484 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,851 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,844 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,172 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,499 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,770 |
| Countries in the Alps | 0 | - | 4.83 | 101,989 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,786 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,044 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,203 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,834 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,474 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,157 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,166 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,834 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,112 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,250 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,005 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,378 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,467 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,074 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,580 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,074 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,879 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,020 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,029 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,558 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,695 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,018 |
| Largest Countries By Category | 0 | - | 4.96 | 144,073 |
| Countries by Countries | 0 | - | 4.96 | 54,200 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,029,807 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,526 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 29,751 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,347 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,845 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,615 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,774 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,586 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 81,338 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 116,053 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,473 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,838 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,020 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,478 |
| Island Countries Quiz | 0 | - | 4.99 | 639,554 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,431 |
| Northernmost Countries | 0 | - | 4.99 | 325,665 |
| Countries of South America | 0 | - | 5.00 | 785,385 |
| Countries of Oceania | 0 | - | 5.00 | 884,318 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,117,268 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,555,817 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,462 |
| Countries with Megacities | 0 | - | 4.99 | 195,205 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,831 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,049 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,959 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,917 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,642 |
| Countries by Official Language | 0 | - | 4.95 | 153,707 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 247,220 |
| Countries in their Native Language | 0 | - | 4.98 | 177,227 |
| Independence from Whom | 0 | - | 4.99 | 184,071 |
| Subdivisions by Country | 0 | - | 4.82 | 46,247 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,502 |
| Megadiverse Countries | 0 | - | 4.96 | 124,873 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,199 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,105 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,168 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,251 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,821 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,069 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,596 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,116 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,166 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,901 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,564 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,536 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,104 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,845 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,584 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,596 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,279 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,245 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,966 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,679 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 71,005 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,643 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,415 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,963 |
| Widest Countries East to West | 0 | - | 4.93 | 118,837 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,719 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,066 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,170 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,917 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,252 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,652 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,304 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,899 |
| Countries with Double Letters | 0 | - | 4.96 | 67,285 |
| Countries that End in N | 0 | - | 4.94 | 131,739 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,471 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,001 |
| Countries with W | 0 | - | 4.97 | 121,960 |
| Countries with Z | 0 | - | 4.98 | 243,152 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,853 |
| Countries That End in U | 0 | - | 4.94 | 107,163 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,584 |
| Countries that End in O | 0 | - | 4.92 | 146,545 |
| Countries that End in R | 0 | - | 4.86 | 96,224 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,964 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,272 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,062 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,735 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 128,672 |
| Countries That End in Y | 0 | - | 4.90 | 161,350 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,863 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,021 |
| Countries that End in I | 0 | - | 4.92 | 114,239 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,659 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,929 |
| Countries That End in NIA | 0 | - | 4.93 | 100,442 |
| Countries That End in BIA | 0 | - | 4.91 | 125,505 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,545 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,197 |
| Countries That End in RIA | 0 | - | 4.89 | 100,567 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,891 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 199,121 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,870 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,700 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,585 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,680 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,095 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,478 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,967 |
| Countries that End in L | 0 | - | 4.95 | 133,515 |
| "Land" Countries | 0 | - | 4.98 | 288,170 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,990 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,095 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,712 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 70,011 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,218 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,879 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,842 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,205 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,635 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 162,530 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,880 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 131,878 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 192,356 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,175 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,551 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,744 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,985 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,672 |
| Random Countries by Borders | 0 | - | 4.99 | 65,962 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,156 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,892 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,041,101 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,766 |
