| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,619 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,795 |
| One Border Countries | 0 | - | 4.98 | 472,520 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,852,685 |
| Landlocked Countries | 0 | - | 4.99 | 427,135 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,959,412 |
| Countries by Borders #1 | 0 | - | 5.00 | 195,141 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 314,261 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,826 |
| Largest Countries with No Borders | 0 | - | 4.96 | 222,522 |
| Countries with Two Borders | 0 | - | 4.99 | 150,454 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,877 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,632 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,825 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,909 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,930 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,459 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,891 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,876 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,530 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,987 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,868 |
| Himalayan Countries | 0 | - | 4.93 | 140,779 |
| Andean Countries | 0 | - | 4.94 | 85,774 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,896 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,463 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,450 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,674 |
| Danube Countries | 0 | - | 4.97 | 72,531 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,780 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,963 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,412 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,887 |
| European Landlocked Countries | 0 | - | 4.99 | 147,727 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,518 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,617 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,810 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,949 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,911 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,668 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,950 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,959 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,100 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,158 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,113 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,376 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,575 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,506 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,304 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,948 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,824 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,663 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,914 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,122 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,722 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,359 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,827 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,243 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,606 |
| Largest Countries By Category | 0 | - | 4.97 | 159,067 |
| Countries by Countries | 0 | - | 4.97 | 63,794 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,416 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,213 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,513 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,967 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,540 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,831 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,875 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,025 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,561 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,386 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,186 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,904 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,482 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,012 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,287 |
| Island Countries | 0 | - | 4.99 | 712,959 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,013 |
| Northernmost Countries | 0 | - | 4.99 | 364,542 |
| Countries of South America | 0 | - | 5.00 | 934,092 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,260 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,618 |
| "Land" Countries | 0 | - | 4.98 | 338,940 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,883 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,712 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,464 |
| Countries with Megacities | 0 | - | 4.99 | 267,770 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,115 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,321 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,449 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,421 |
| Countries by Official Language | 0 | - | 4.95 | 196,189 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,905 |
| Countries in their Native Language | 0 | - | 4.99 | 199,937 |
| Independence from Whom | 0 | - | 4.99 | 213,377 |
| Subdivisions by Country | 0 | - | 4.87 | 50,662 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,634 |
| Megadiverse Countries | 0 | - | 4.96 | 148,680 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,119 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,572 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,798 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,256 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,449 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,915 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,266 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,158 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,742 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,477 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,497 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,212 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,630 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,958 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,696 |
| World Map Quiz | 0 | - | 4.81 | 65,913 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,825 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,485 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,219 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,690 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,889 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,536 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,651 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,840 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,759 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,923 |
| Widest Countries East to West | 0 | - | 4.92 | 130,832 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,627 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,383 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,556 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,149 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,092 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,598 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,531 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,921 |
| Countries with Double Letters | 0 | - | 4.96 | 97,586 |
| Countries that End in N | 0 | - | 4.95 | 172,596 |
| Countries with Five Letters | 0 | - | 4.96 | 284,589 |
| Countries with Six Letters | 0 | - | 4.94 | 214,919 |
| Countries with W | 0 | - | 4.96 | 161,285 |
| Countries with Z | 0 | - | 4.98 | 292,963 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,650 |
| Countries That End in U | 0 | - | 4.95 | 121,375 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,398 |
| Countries that End in O | 0 | - | 4.92 | 160,358 |
| Countries that End in R | 0 | - | 4.87 | 119,273 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,055 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,122 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 185,129 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,168 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,689 |
| Countries That End in Y | 0 | - | 4.91 | 186,166 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,204 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,403 |
| Countries that End in I | 0 | - | 4.94 | 135,415 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,214 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,139 |
| Countries That End in NIA | 0 | - | 4.92 | 110,152 |
| Countries That End in BIA | 0 | - | 4.93 | 149,726 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,919 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,889 |
| Countries That End in RIA | 0 | - | 4.93 | 127,139 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,533 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,908 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,372 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,835 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,385 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,916 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,443 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,600 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,041 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,728 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,590 |
| Countries that End in L | 0 | - | 4.94 | 157,237 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,543 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,377 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,429 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,730 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,392 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,971 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,878 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,150 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,536 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,633 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,292 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,517 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,402 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,177 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,314 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,293 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,968 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,872 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,351 |
| Random Countries by Borders | 0 | - | 4.99 | 83,189 |
