| "Land" Countries | 0 | - | 4.98 | 338,669 |
| Countries with Double Letters | 0 | - | 4.96 | 97,343 |
| Countries that End in N | 0 | - | 4.95 | 172,416 |
| Countries with Five Letters | 0 | - | 4.96 | 284,329 |
| Countries with Six Letters | 0 | - | 4.94 | 214,729 |
| Countries with W | 0 | - | 4.96 | 161,132 |
| Countries with Z | 0 | - | 4.98 | 292,721 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,482 |
| Countries That End in U | 0 | - | 4.95 | 121,294 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,261 |
| Countries that End in O | 0 | - | 4.92 | 160,297 |
| Countries that End in R | 0 | - | 4.87 | 119,236 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,004 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,003 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 178,244 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,978 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,189 |
| Countries That End in Y | 0 | - | 4.91 | 186,132 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,814 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,350 |
| Countries that End in I | 0 | - | 4.94 | 135,372 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,906 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,106 |
| Countries That End in NIA | 0 | - | 4.92 | 110,113 |
| Countries That End in BIA | 0 | - | 4.93 | 149,669 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,851 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,838 |
| Countries That End in RIA | 0 | - | 4.93 | 127,105 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,472 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,796 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,291 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,751 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,299 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,861 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,387 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,569 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,982 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,686 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,823 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,518 |
| Countries that End in L | 0 | - | 4.94 | 157,193 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,309 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,367 |
| Landlocked Countries | 0 | - | 4.99 | 426,726 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,930,202 |
| Countries with Four Letters | 0 | - | 4.99 | 426,164 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,652 |
| Himalayan Countries | 0 | - | 4.93 | 140,586 |
| Andean Countries | 0 | - | 4.94 | 85,673 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,805 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,301 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,359 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,586 |
| Danube Countries | 0 | - | 4.97 | 72,494 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,715 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,914 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,318 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,766 |
| European Landlocked Countries | 0 | - | 4.99 | 147,685 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,428 |
| Countries with the Most Species | 0 | - | 4.99 | 103,612 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,546 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,795 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,924 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,890 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,631 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,085 |
| Countries in the Alps | 0 | - | 4.87 | 118,884 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,842 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,029 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,024 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,114 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,056 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,338 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,491 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,940 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,480 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,262 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,927 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,802 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,624 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,866 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,967 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,039 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,674 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,842 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,017 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,340 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,572 |
| Largest Countries By Category | 0 | - | 4.97 | 158,977 |
| Countries by Countries | 0 | - | 4.97 | 63,731 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,355 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,430 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,691 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,234 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,489 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,174 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,759 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,348 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,327 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,110 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,898 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,065 |
| Island Countries | 0 | - | 4.99 | 712,800 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,524 |
| Northernmost Countries | 0 | - | 4.99 | 364,342 |
| Countries of South America | 0 | - | 5.00 | 933,572 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,567 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,335 |
| Countries with J | 0 | - | 4.55 | 186,351 |
| Countries by Consonants | 0 | - | 4.42 | 78,969 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,594 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,363 |
| Countries with Megacities | 0 | - | 4.99 | 267,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,020 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,252 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,348 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,353 |
| Countries by Official Language | 0 | - | 4.95 | 196,135 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,805 |
| Countries in their Native Language | 0 | - | 4.99 | 199,857 |
| Independence from Whom | 0 | - | 4.99 | 213,264 |
| Subdivisions by Country | 0 | - | 4.87 | 50,644 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,575 |
| Megadiverse Countries | 0 | - | 4.96 | 146,629 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,052 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,560 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,241 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,374 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,896 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,202 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,600 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,130 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,279 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,668 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,446 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,475 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,189 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,611 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,929 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,565 |
| World Map Quiz | 0 | - | 4.81 | 65,861 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,607 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,768 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,675 |
| Countries by Founding Story | 0 | - | 4.95 | 77,869 |
| Countries by Road Signs | 0 | - | 4.98 | 54,402 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,403 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,167 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,637 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,760 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,498 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,615 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,803 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,737 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,869 |
| Widest Countries East to West | 0 | - | 4.92 | 130,788 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,620 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,326 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,542 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,111 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,060 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,552 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,521 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,911 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,695 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,085 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,508 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,565 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,233 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,483 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,354 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,099 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,280 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,273 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,962 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,859 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,314 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,188 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,763 |
| One Border Countries | 0 | - | 4.98 | 472,302 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,184 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,729 |
| Most Similar Country Names | 0 | - | 4.16 | 46,697 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,400 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,851,156 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,656,912 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,413 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,389 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,747 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,954 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,306 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,682 |
| Countries by National Anthem | 0 | - | 4.92 | 71,424 |
| NATO Countries | 0 | - | 4.98 | 283,745 |
| EU Countries Quiz | 0 | - | 4.99 | 278,457 |
| Recently Independent Countries | 0 | - | 4.98 | 160,435 |
| French-Speaking Countries | 0 | - | 4.85 | 271,790 |
