| Landlocked Countries | 0 | - | 4.99 | 423,782 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,397 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,728,393 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,327 |
| Himalayan Countries | 0 | - | 4.94 | 139,498 |
| Andean Countries | 0 | - | 4.94 | 85,041 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,237 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,436 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,795 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,109 |
| Danube Countries | 0 | - | 4.97 | 72,206 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,297 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,618 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,702 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,203 |
| European Landlocked Countries | 0 | - | 4.99 | 147,369 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,969 |
| Countries with the Most Species | 0 | - | 4.99 | 103,417 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,107 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,680 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,688 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,434 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,849 |
| Countries in the Alps | 0 | - | 4.87 | 118,484 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,065 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,435 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,808 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,809 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,737 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,912 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,665 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,290 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,015 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,760 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,627 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,384 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,637 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,720 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,365 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,473 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,347 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,892 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,650 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,376 |
| Largest Countries By Category | 0 | - | 4.97 | 158,537 |
| Countries by Countries | 0 | - | 4.96 | 63,435 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,002 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,346 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,619 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,897 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,779 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,191 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,089 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,503 |
| Island Countries | 0 | - | 4.99 | 711,741 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,361 |
| Northernmost Countries | 0 | - | 4.99 | 363,033 |
| Countries of South America | 0 | - | 5.00 | 929,922 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,198 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,117 |
| "Land" Countries | 0 | - | 4.98 | 337,870 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,400 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,430 |
| Countries with Megacities | 0 | - | 4.99 | 265,839 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,230 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,749 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,488 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,837 |
| Countries by Official Language | 0 | - | 4.95 | 195,629 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,026 |
| Countries in their Native Language | 0 | - | 4.99 | 199,404 |
| Independence from Whom | 0 | - | 4.99 | 212,548 |
| Subdivisions by Country | 0 | - | 4.87 | 50,526 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,067 |
| Megadiverse Countries | 0 | - | 4.96 | 135,154 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,433 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,456 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,339 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,162 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,369 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,697 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,733 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,470 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,746 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,206 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,084 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,188 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,327 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,056 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,473 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,599 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,811 |
| World Map Quiz | 0 | - | 4.81 | 65,377 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,250 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,529 |
| Countries by Founding Story | 0 | - | 4.95 | 77,531 |
| Countries by Road Signs | 0 | - | 4.98 | 54,199 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,635 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,659 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,322 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,942 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,186 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,305 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,522 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,580 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,620 |
| Widest Countries East to West | 0 | - | 4.92 | 130,170 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,525 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,018 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,924 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,801 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,079 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,446 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,851 |
| Countries with Double Letters | 0 | - | 4.96 | 96,662 |
| Countries that End in N | 0 | - | 4.95 | 171,551 |
| Countries with Five Letters | 0 | - | 4.96 | 283,199 |
| Countries with Six Letters | 0 | - | 4.94 | 214,012 |
| Countries with W | 0 | - | 4.96 | 160,635 |
| Countries with Z | 0 | - | 4.98 | 291,949 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,998 |
| Countries That End in U | 0 | - | 4.95 | 121,016 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,784 |
| Countries that End in O | 0 | - | 4.92 | 159,666 |
| Countries that End in R | 0 | - | 4.87 | 119,070 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,830 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,459 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,932 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,649 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,572 |
| Countries That End in Y | 0 | - | 4.91 | 185,994 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,185 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,071 |
| Countries that End in I | 0 | - | 4.94 | 135,212 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,371 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,929 |
| Countries That End in NIA | 0 | - | 4.92 | 109,919 |
| Countries That End in BIA | 0 | - | 4.93 | 149,397 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,333 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,613 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,211 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,089 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,950 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,390 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,926 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,687 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,183 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,490 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,718 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,545 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,515 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,197 |
| Countries that End in L | 0 | - | 4.94 | 156,994 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,697 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,304 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,150 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,081 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,129 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,102 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,912 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,296 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,050 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,724 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,047 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,171 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,758 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,117 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,170 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,693 |
| One Border Countries | 0 | - | 4.98 | 470,923 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,841,751 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,642,734 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,118 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,609 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,432 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,731 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,973 |
| Countries by National Anthem | 0 | - | 4.92 | 71,358 |
| NATO Countries | 0 | - | 4.98 | 282,473 |
| EU Countries Quiz | 0 | - | 4.99 | 276,673 |
| Recently Independent Countries | 0 | - | 4.98 | 159,702 |
| French-Speaking Countries | 0 | - | 4.85 | 271,289 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,974 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,183 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,258 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,651 |
| German-Speaking Countries | 0 | - | 4.92 | 145,892 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,107 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,403 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,204 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,772 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,610 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,592 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,838 |
| Olympic Host Countries | 0 | - | 4.98 | 201,536 |
