| "Land" Countries | 0 | - | 4.98 | 333,894 |
| Countries with Double Letters | 0 | - | 4.96 | 93,561 |
| Countries that End in N | 0 | - | 4.94 | 157,040 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,872 |
| Countries with Six Letters | 0 | - | 4.93 | 210,545 |
| Countries with W | 0 | - | 4.97 | 158,345 |
| Countries with Z | 0 | - | 4.98 | 288,071 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,661 |
| Countries That End in U | 0 | - | 4.95 | 119,582 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,753 |
| Countries that End in O | 0 | - | 4.92 | 158,614 |
| Countries that End in R | 0 | - | 4.87 | 118,331 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,900 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,274 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,457 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,581 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,125 |
| Countries That End in Y | 0 | - | 4.90 | 185,252 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,506 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,801 |
| Countries that End in I | 0 | - | 4.94 | 134,491 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,339 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,252 |
| Countries That End in NIA | 0 | - | 4.92 | 109,072 |
| Countries That End in BIA | 0 | - | 4.92 | 147,790 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,165 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,578 |
| Countries That End in RIA | 0 | - | 4.93 | 126,146 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,103 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,524 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,608 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,974 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,463 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,976 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,205 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,731 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,601 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,854 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,243 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,916 |
| Countries that End in L | 0 | - | 4.94 | 156,099 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,715 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,007 |
| Landlocked Countries | 0 | - | 4.99 | 414,480 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,992,201 |
| Countries with Four Letters | 0 | - | 4.99 | 419,041 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,953 |
| Himalayan Countries | 0 | - | 4.95 | 135,662 |
| Andean Countries | 0 | - | 4.94 | 83,009 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,362 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,415 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,056 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,726 |
| Danube Countries | 0 | - | 4.97 | 71,165 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,886 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,628 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,678 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,581 |
| European Landlocked Countries | 0 | - | 4.99 | 145,871 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,349 |
| Countries with the Most Species | 0 | - | 4.99 | 95,296 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,503 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,231 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,402 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,009 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,649 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,018 |
| Countries in the Alps | 0 | - | 4.86 | 116,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,669 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,432 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,092 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,503 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,282 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,078 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,681 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,830 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,575 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,136 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,229 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,094 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,521 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,820 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,825 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,263 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,726 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,304 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,918 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,783 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,963 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,678 |
| Largest Countries By Category | 0 | - | 4.97 | 156,896 |
| Countries by Countries | 0 | - | 4.96 | 62,349 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,535 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,996 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,202 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,848 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,955 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,023 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,156 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,038 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,444 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,268 |
| Island Countries | 0 | - | 4.99 | 707,959 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,655 |
| Northernmost Countries | 0 | - | 4.99 | 358,207 |
| Countries of South America | 0 | - | 5.00 | 916,268 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,440 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,456 |
| Countries with J | 0 | - | 4.55 | 184,376 |
| Countries by Consonants | 0 | - | 4.42 | 78,279 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,819 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,670 |
| Countries with Megacities | 0 | - | 4.99 | 247,660 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,518 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,221 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,910 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,153 |
| Countries by Official Language | 0 | - | 4.95 | 192,957 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,394 |
| Countries in their Native Language | 0 | - | 4.99 | 196,813 |
| Independence from Whom | 0 | - | 4.99 | 209,927 |
| Subdivisions by Country | 0 | - | 4.86 | 50,109 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,913 |
| Megadiverse Countries | 0 | - | 4.97 | 133,967 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,979 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,961 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,474 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,882 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,776 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,063 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,200 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,223 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,255 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,763 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,754 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,459 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,561 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,544 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,737 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,069 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,846 |
| World Map Quiz | 0 | - | 4.81 | 63,663 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,180 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,423 |
| Countries by Founding Story | 0 | - | 4.95 | 76,626 |
| Countries by Road Signs | 0 | - | 4.98 | 53,202 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,578 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,364 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,096 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,052 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,005 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,195 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,394 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,014 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,445 |
| Widest Countries East to West | 0 | - | 4.92 | 128,947 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,256 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,351 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,609 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,771 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,713 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,143 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,546 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,621 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,569 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,368 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,479 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,674 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,467 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 140,010 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,514 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,869 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,822 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,766 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,213 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,444 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,376 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,552 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,020 |
| One Border Countries | 0 | - | 4.98 | 464,997 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,207 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,698 |
| Most Similar Country Names | 0 | - | 4.16 | 46,315 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,811 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,629 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,298 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,042 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,308 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,055 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,570 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,837 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,425 |
| Countries by National Anthem | 0 | - | 4.92 | 71,052 |
| NATO Countries | 0 | - | 4.98 | 276,495 |
| EU Countries Quiz | 0 | - | 4.99 | 270,442 |
| Recently Independent Countries | 0 | - | 4.98 | 158,094 |
| French-Speaking Countries | 0 | - | 4.85 | 269,057 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,416 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,288 |
