| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,896 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,787 |
| One Border Countries | 0 | - | 4.98 | 451,942 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,702,261 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,531 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.84 | 89,620 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 96,796 |
| Top Chocolate Growing Countries | 0 | - | 4.92 | 59,761 |
| Countries by Borders #1 | 0 | - | 5.00 | 189,916 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 304,569 |
| Longest Border by Country #1 | 0 | - | 4.99 | 142,793 |
| Largest Countries with No Borders | 0 | - | 4.96 | 214,420 |
| Countries with Two Borders | 0 | - | 4.99 | 134,709 |
| Countries by Borders #2 | 0 | - | 4.97 | 125,525 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 137,799 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 127,986 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 103,664 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.93 | 91,873 |
| Countries by Borders #3 | 0 | - | 4.99 | 95,436 |
| Bordering Countries Forming Words #1 | 0 | - | 4.91 | 74,850 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 31,885 |
| Longest Border by Country #2 | 0 | - | 4.95 | 118,837 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,526,161 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 397,695 |
| Countries with the Most Borders | 0 | - | 4.97 | 377,983 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,495,845 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,586,796 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,881 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 124,139 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,703 |
| Sahara Desert Countries | 0 | - | 4.98 | 153,042 |
| Himalayan Countries | 0 | - | 4.95 | 128,656 |
| Andean Countries | 0 | - | 4.93 | 72,476 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,552 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 118,005 |
| Coffee Producing Countries | 0 | - | 4.81 | 62,863 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,036 |
| Danube Countries | 0 | - | 4.97 | 62,639 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,300 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,653 |
| Countries with the Worst Passports | 0 | - | 4.93 | 78,417 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 143,187 |
| European Landlocked Countries | 0 | - | 4.99 | 143,423 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,970 |
| Countries with the Most Species | 0 | - | 4.99 | 93,794 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,400 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,454 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,634 |
| Countries that Use the Peso | 0 | - | 4.87 | 57,693 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,219 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,317 |
| Countries in the Alps | 0 | - | 4.87 | 113,841 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,600 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,440 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,740 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,094 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,000 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,407 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,175 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,279 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,128 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,345 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,240 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,076 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,799 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,282 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,232 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,938 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,180 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,989 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,911 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 230,374 |
| World Countries - Blind Typing | 0 | - | 5.00 | 100,250 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,385 |
| Largest Countries By Category | 0 | - | 4.97 | 153,881 |
| Countries by Countries | 0 | - | 4.96 | 60,289 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,766 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 100,888 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,893 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 211,893 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 188,752 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 150,452 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,184 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 141,397 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 147,634 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 113,359 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 157,426 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 96,417 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 105,044 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 122,977 |
| Countries with the Most Sheep | 0 | - | 4.88 | 86,621 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 50,736 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 78,800 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 365,959 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,904 |
| Island Countries Quiz | 0 | - | 4.99 | 699,777 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,016,015 |
| Northernmost Countries | 0 | - | 4.99 | 347,844 |
| Countries of South America | 0 | - | 5.00 | 887,753 |
| Countries of Oceania | 0 | - | 5.00 | 1,006,716 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,785,424 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,312,969 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 80,530 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 105,662 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 30,844 |
| Countries with the Most Wolves | 0 | - | 4.91 | 104,815 |
| Random Countries by Borders | 0 | - | 4.99 | 79,692 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,645 |
| Countries with Megacities | 0 | - | 4.99 | 225,764 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,924 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,991 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,868 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,542 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,419 |
| Countries by Official Language | 0 | - | 4.95 | 188,483 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 287,677 |
| Countries in their Native Language | 0 | - | 4.99 | 192,424 |
| Independence from Whom | 0 | - | 4.99 | 204,808 |
| Subdivisions by Country | 0 | - | 4.85 | 49,319 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 127,145 |
| Megadiverse Countries | 0 | - | 4.97 | 132,116 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,940 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,027 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,231 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,186 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,859 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,882 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,779 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,983 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,450 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,895 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,429 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,810 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,047 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,504 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 73,239 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,666 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,469 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,678 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,365 |
| Countries With the Most Languages | 0 | - | 4.89 | 194,482 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 107,289 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,103 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,331 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,724 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,725 |
| Widest Countries East to West | 0 | - | 4.92 | 126,707 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,734 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,930 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,568 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,159 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 145,291 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,180 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,592 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,111 |
| Countries with Double Letters | 0 | - | 4.97 | 88,044 |
| Countries that End in N | 0 | - | 4.93 | 151,450 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 252,583 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 205,545 |
| Countries with W | 0 | - | 4.97 | 154,139 |
| Countries with Z | 0 | - | 4.98 | 281,645 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,629 |
| Countries That End in U | 0 | - | 4.95 | 117,058 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,796 |
| Countries that End in O | 0 | - | 4.92 | 156,507 |
| Countries that End in R | 0 | - | 4.84 | 101,333 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,236 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,414 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,475 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,473 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,442 |
| Countries That End in Y | 0 | - | 4.91 | 183,765 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,275 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 149,079 |
| Countries that End in I | 0 | - | 4.93 | 118,557 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,071 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,825 |
| Countries That End in NIA | 0 | - | 4.92 | 107,399 |
| Countries That End in BIA | 0 | - | 4.92 | 145,593 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,453 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,597 |
| Countries That End in RIA | 0 | - | 4.92 | 124,366 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,957 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 220,258 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,848 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,967 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,700 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,610 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,349 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,464 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,585 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,300 |
| Countries that End in L | 0 | - | 4.94 | 153,759 |
| "Land" Countries | 0 | - | 4.98 | 303,192 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,708 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,436 |
| City to Country Quiz #1 | 0 | - | 4.96 | 153,083 |
| City to Country Quiz #3 | 0 | - | 4.88 | 107,016 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,995 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,814 |
