| One Border Countries | 0 | - | 4.98 | 470,057 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,836,086 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,213 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,678 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,140 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,447 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,754 |
| Countries with Two Borders | 0 | - | 4.99 | 150,091 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,527 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,216 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,087 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,539 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,714 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,191 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,794 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,783 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,281 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,719 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,770 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,184 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,354 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,516 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,064 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,816 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,012 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,374 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,053 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,389 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,540 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,611,185 |
| Landlocked Countries | 0 | - | 4.99 | 422,337 |
| Smallest Countries Bordering Each Other | 0 | - | 4.61 | 92,916 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,307 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,701 |
| Himalayan Countries | 0 | - | 4.95 | 138,901 |
| Andean Countries | 0 | - | 4.93 | 84,714 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,915 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,979 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,537 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,875 |
| Danube Countries | 0 | - | 4.97 | 72,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,077 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,468 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,379 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,870 |
| European Landlocked Countries | 0 | - | 4.99 | 147,189 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,719 |
| Countries with the Most Species | 0 | - | 4.99 | 103,272 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,837 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,614 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,736 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,574 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,261 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,709 |
| Countries in the Alps | 0 | - | 4.87 | 118,266 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,352 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,103 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,692 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,635 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,557 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,981 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,717 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,541 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,202 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,891 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,677 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,548 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,258 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,511 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,571 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,992 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,343 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,226 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,138 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,119 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,232 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,264 |
| Largest Countries By Category | 0 | - | 4.97 | 158,279 |
| Countries by Countries | 0 | - | 4.96 | 63,272 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,709 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,847 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,616 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,568 |
| Island Countries | 0 | - | 4.99 | 711,174 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,315 |
| Northernmost Countries | 0 | - | 4.99 | 362,127 |
| Countries of South America | 0 | - | 5.00 | 927,822 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,615 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,445 |
| "Land" Countries | 0 | - | 4.98 | 337,440 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,718 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,553 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,161 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,478 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,073 |
| Countries Bordering Two or More Oceans | 0 | - | 4.22 | 123,161 |
| Borders of One Border Countries | 0 | - | 4.14 | 86,301 |
| Random Countries by Borders | 0 | - | 4.99 | 82,683 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,987 |
| Countries with Megacities | 0 | - | 4.99 | 264,775 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,518 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,082 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,595 |
| Countries by Official Language | 0 | - | 4.95 | 195,318 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,479 |
| Countries in their Native Language | 0 | - | 4.99 | 199,110 |
| Independence from Whom | 0 | - | 4.99 | 212,183 |
| Subdivisions by Country | 0 | - | 4.86 | 50,440 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,793 |
| Megadiverse Countries | 0 | - | 4.96 | 135,047 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,161 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,378 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,253 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,120 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,179 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,615 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,520 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,678 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,742 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,910 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,226 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,986 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,373 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,514 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,288 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,160 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,318 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,030 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,301 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,929 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,044 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,326 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,466 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,599 |
| Widest Countries East to West | 0 | - | 4.92 | 129,684 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,424 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,134 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,791 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,625 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,906 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,386 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,808 |
| Countries with Double Letters | 0 | - | 4.96 | 96,302 |
| Countries that End in N | 0 | - | 4.95 | 171,195 |
| Countries with Five Letters | 0 | - | 4.96 | 282,618 |
| Countries with Six Letters | 0 | - | 4.94 | 213,634 |
| Countries with W | 0 | - | 4.97 | 160,379 |
| Countries with Z | 0 | - | 4.98 | 291,542 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,753 |
| Countries That End in U | 0 | - | 4.95 | 120,875 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,512 |
| Countries that End in O | 0 | - | 4.92 | 159,532 |
| Countries that End in R | 0 | - | 4.87 | 118,978 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,748 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,162 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,729 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,499 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,418 |
| Countries That End in Y | 0 | - | 4.91 | 185,891 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,966 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,891 |
| Countries that End in I | 0 | - | 4.94 | 135,112 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,147 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,837 |
| Countries That End in NIA | 0 | - | 4.92 | 109,804 |
| Countries That End in BIA | 0 | - | 4.93 | 149,235 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,143 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,448 |
| Countries That End in RIA | 0 | - | 4.93 | 126,822 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,039 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,701 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,744 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,167 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,727 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,589 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,052 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,453 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,544 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,440 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,011 |
| Countries that End in L | 0 | - | 4.94 | 156,863 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,910 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,273 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,043 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,973 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,018 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,807 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,690 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,132 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,825 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,504 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,892 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,116 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,714 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,891 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,030 |
