| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,018 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,352 |
| One Border Countries | 0 | - | 4.98 | 409,276 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,387,778 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,872 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 84,990 |
| Top Rice-Producing Countries | 0 | - | 4.94 | 79,797 |
| Top Chocolate Growing Countries | 0 | - | 4.88 | 43,201 |
| Countries by Borders #1 | 0 | - | 5.00 | 176,567 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 285,517 |
| Longest Border by Country #1 | 0 | - | 4.99 | 135,409 |
| Largest Countries with No Borders | 0 | - | 4.96 | 200,302 |
| Countries with Two Borders | 0 | - | 4.99 | 127,818 |
| Countries by Borders #2 | 0 | - | 4.96 | 118,467 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 120,035 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 120,137 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 96,782 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 78,766 |
| Countries by Borders #3 | 0 | - | 4.98 | 90,338 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 72,704 |
| Longest Border by Country #2 | 0 | - | 4.96 | 113,499 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,840,500 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 322,688 |
| Countries with the Most Borders | 0 | - | 4.97 | 359,455 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,061,598 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 29,869 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,569 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,397 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,124 |
| Members of the Arab League | 0 | - | 4.85 | 61,486 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,573 |
| Himalayan Countries | 0 | - | 4.94 | 104,470 |
| Andean Countries | 0 | - | 4.91 | 57,892 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,825 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,193 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,524 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,966 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,211 |
| Danube Countries | 0 | - | 4.97 | 56,584 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,614 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,790 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,012 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,233 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,005 |
| European Landlocked Countries | 0 | - | 4.99 | 115,056 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,219 |
| Countries with the Most Species | 0 | - | 4.99 | 89,395 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,256 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,634 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,969 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,172 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,360 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,641 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,059 |
| Countries in the Alps | 0 | - | 4.83 | 102,482 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,178 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,827 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,491 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,141 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,838 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,445 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,515 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,073 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,262 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,555 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,326 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,523 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,612 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,367 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,863 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,358 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,730 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,268 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,306 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,553 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,573 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,215 |
| Largest Countries By Category | 0 | - | 4.96 | 144,700 |
| Countries by Countries | 0 | - | 4.96 | 54,534 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,011 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 81,809 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 116,434 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,443 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,353 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,493 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,936 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,159 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,275 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,553 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,694 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,587 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,436 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 118,391 |
| Countries with the Most Sheep | 0 | - | 4.89 | 82,398 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,665 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 69,416 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,555 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,773 |
| Island Countries Quiz | 0 | - | 4.99 | 659,650 |
| Biggest Countries by Area | 0 | - | 5.00 | 931,572 |
| Northernmost Countries | 0 | - | 4.99 | 326,779 |
| Countries of South America | 0 | - | 5.00 | 791,408 |
| Countries of Oceania | 0 | - | 5.00 | 891,369 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,143,512 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,568,367 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,478 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 25,091 |
| Countries with the Most Wolves | 0 | - | 4.88 | 78,566 |
| Random Countries by Borders | 0 | - | 4.99 | 66,320 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,564 |
| Countries with Megacities | 0 | - | 4.99 | 196,749 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,151 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,720 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,051 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,684 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,397 |
| Countries by Official Language | 0 | - | 4.95 | 164,457 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,686 |
| Countries in their Native Language | 0 | - | 4.98 | 177,976 |
| Independence from Whom | 0 | - | 4.99 | 185,243 |
| Subdivisions by Country | 0 | - | 4.82 | 46,389 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,225 |
| Megadiverse Countries | 0 | - | 4.96 | 125,216 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,061 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,585 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,327 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,420 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,067 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,691 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,974 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,297 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,661 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,515 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,918 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,918 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,455 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,758 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,848 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,237 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,202 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,458 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,141 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,817 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,327 |
| Widest Countries East to West | 0 | - | 4.93 | 119,253 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,793 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,871 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,588 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,313 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,718 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,053 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,417 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,021 |
| Countries with Double Letters | 0 | - | 4.96 | 68,063 |
| Countries that End in N | 0 | - | 4.93 | 132,417 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,405 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,774 |
| Countries with W | 0 | - | 4.97 | 122,527 |
| Countries with Z | 0 | - | 4.98 | 244,126 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,378 |
| Countries That End in U | 0 | - | 4.95 | 107,430 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,215 |
| Countries that End in O | 0 | - | 4.92 | 146,820 |
| Countries that End in R | 0 | - | 4.86 | 96,400 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,173 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,085 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,626 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,125 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,171 |
| Countries That End in Y | 0 | - | 4.90 | 161,577 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,830 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,622 |
| Countries that End in I | 0 | - | 4.92 | 114,444 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,387 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,194 |
| Countries That End in NIA | 0 | - | 4.93 | 100,752 |
| Countries That End in BIA | 0 | - | 4.91 | 125,957 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,115 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,626 |
| Countries That End in RIA | 0 | - | 4.90 | 100,869 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,334 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,434 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,518 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,399 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,208 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,133 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,753 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,569 |
| Countries that End in L | 0 | - | 4.95 | 134,182 |
| "Land" Countries | 0 | - | 4.98 | 288,983 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,653 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,163 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,195 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,113 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,514 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,619 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 165,806 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,340 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,605 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,677 |
