| "Land" Countries | 0 | - | 4.98 | 336,065 |
| Countries with Double Letters | 0 | - | 4.97 | 95,304 |
| Countries that End in N | 0 | - | 4.95 | 170,326 |
| Countries with Five Letters | 0 | - | 4.96 | 281,127 |
| Countries with Six Letters | 0 | - | 4.94 | 212,741 |
| Countries with W | 0 | - | 4.97 | 159,661 |
| Countries with Z | 0 | - | 4.98 | 290,538 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,923 |
| Countries That End in U | 0 | - | 4.95 | 120,491 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,934 |
| Countries that End in O | 0 | - | 4.92 | 159,269 |
| Countries that End in R | 0 | - | 4.87 | 118,789 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,558 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,534 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,284 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,192 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,791 |
| Countries That End in Y | 0 | - | 4.91 | 185,698 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,466 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,560 |
| Countries that End in I | 0 | - | 4.94 | 134,927 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,666 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,640 |
| Countries That End in NIA | 0 | - | 4.92 | 109,591 |
| Countries That End in BIA | 0 | - | 4.93 | 148,946 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,849 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,172 |
| Countries That End in RIA | 0 | - | 4.93 | 126,607 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,744 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,990 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,367 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,747 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,289 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,394 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,762 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,343 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,251 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,261 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,943 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,670 |
| Countries that End in L | 0 | - | 4.94 | 156,624 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,571 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,179 |
| Landlocked Countries | 0 | - | 4.99 | 419,950 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,418,390 |
| Countries with Four Letters | 0 | - | 4.99 | 422,163 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,454 |
| Himalayan Countries | 0 | - | 4.95 | 137,883 |
| Andean Countries | 0 | - | 4.95 | 84,152 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,371 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,939 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,018 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,473 |
| Danube Countries | 0 | - | 4.97 | 71,765 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,703 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,161 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,852 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,933 |
| European Landlocked Countries | 0 | - | 4.99 | 146,897 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,285 |
| Countries with the Most Species | 0 | - | 4.99 | 103,036 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,439 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,467 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,636 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,398 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,076 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,465 |
| Countries in the Alps | 0 | - | 4.87 | 117,879 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 96,642 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,595 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,499 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,380 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,240 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,798 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,403 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,280 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,040 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,643 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,543 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,385 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,011 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,300 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,307 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,430 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,137 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,639 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,708 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,893 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,518 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,063 |
| Largest Countries By Category | 0 | - | 4.97 | 157,836 |
| Countries by Countries | 0 | - | 4.97 | 62,951 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,380 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,186 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,495 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,751 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,448 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,002 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,561 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,548 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,881 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,891 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,931 |
| Island Countries | 0 | - | 4.99 | 710,187 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,242 |
| Northernmost Countries | 0 | - | 4.99 | 360,994 |
| Countries of South America | 0 | - | 5.00 | 924,371 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,203 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,233 |
| Countries with J | 0 | - | 4.55 | 185,052 |
| Countries by Consonants | 0 | - | 4.42 | 78,583 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,262 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,333 |
| Countries with Megacities | 0 | - | 4.99 | 262,821 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,175 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,158 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,476 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,204 |
| Countries by Official Language | 0 | - | 4.95 | 194,845 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,812 |
| Countries in their Native Language | 0 | - | 4.99 | 198,380 |
| Independence from Whom | 0 | - | 4.99 | 211,603 |
| Subdivisions by Country | 0 | - | 4.86 | 50,338 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,899 |
| Megadiverse Countries | 0 | - | 4.96 | 134,842 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,717 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,233 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,807 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,047 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,849 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,451 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,134 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,907 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,540 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,028 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,251 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,774 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,057 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,841 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,225 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,393 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,508 |
| World Map Quiz | 0 | - | 4.81 | 64,788 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,143 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,147 |
| Countries by Founding Story | 0 | - | 4.95 | 77,163 |
| Countries by Road Signs | 0 | - | 4.98 | 53,759 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,697 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,051 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,771 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,643 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,649 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,787 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,920 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,333 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,386 |
| Widest Countries East to West | 0 | - | 4.92 | 129,458 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,407 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,108 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,039 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,599 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,344 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,658 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,291 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,750 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,898 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,798 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,854 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,985 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,334 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,757 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,269 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,767 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,661 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,001 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,628 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,740 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,933 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,147 |
| One Border Countries | 0 | - | 4.98 | 468,334 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,638 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,354 |
| Most Similar Country Names | 0 | - | 4.16 | 46,483 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,098 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,826,918 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,620,625 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,665 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,665 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,357 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,496 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,036 |
| Countries by National Anthem | 0 | - | 4.92 | 71,217 |
| NATO Countries | 0 | - | 4.98 | 280,027 |
| EU Countries Quiz | 0 | - | 4.99 | 273,662 |
| Recently Independent Countries | 0 | - | 4.98 | 159,171 |
| French-Speaking Countries | 0 | - | 4.85 | 270,419 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,796 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,902 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,076 |
