| "Land" Countries | 0 | - | 4.98 | 333,665 |
| Countries with Double Letters | 0 | - | 4.97 | 93,396 |
| Countries that End in N | 0 | - | 4.94 | 156,888 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,693 |
| Countries with Six Letters | 0 | - | 4.93 | 210,372 |
| Countries with W | 0 | - | 4.97 | 158,233 |
| Countries with Z | 0 | - | 4.98 | 287,886 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,557 |
| Countries That End in U | 0 | - | 4.95 | 119,519 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,563 |
| Countries that End in O | 0 | - | 4.92 | 158,558 |
| Countries that End in R | 0 | - | 4.87 | 118,275 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,860 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,036 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,337 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,499 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,024 |
| Countries That End in Y | 0 | - | 4.90 | 185,206 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,380 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,693 |
| Countries that End in I | 0 | - | 4.94 | 134,414 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,202 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,194 |
| Countries That End in NIA | 0 | - | 4.92 | 109,012 |
| Countries That End in BIA | 0 | - | 4.92 | 147,721 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,066 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,487 |
| Countries That End in RIA | 0 | - | 4.93 | 126,084 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,012 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,202 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,526 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,890 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,361 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,928 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,126 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,648 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,513 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,816 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,148 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,816 |
| Countries that End in L | 0 | - | 4.94 | 155,734 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,211 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,988 |
| Landlocked Countries | 0 | - | 4.99 | 413,662 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,923,969 |
| Countries with Four Letters | 0 | - | 4.99 | 418,557 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,610 |
| Himalayan Countries | 0 | - | 4.95 | 135,378 |
| Andean Countries | 0 | - | 4.94 | 82,831 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,223 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,221 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,909 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,614 |
| Danube Countries | 0 | - | 4.97 | 71,083 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,540 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,494 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,409 |
| European Landlocked Countries | 0 | - | 4.99 | 145,758 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,218 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,353 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,571 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,263 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,426 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,168 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,006 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,583 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,307 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,064 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,197 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,752 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,756 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,072 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,649 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,323 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,682 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,605 |
| Largest Countries By Category | 0 | - | 4.97 | 156,765 |
| Countries by Countries | 0 | - | 4.96 | 62,257 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,391 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,105 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,773 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,240 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,902 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,824 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,020 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,135 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,873 |
| Island Countries | 0 | - | 4.99 | 707,643 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,503 |
| Northernmost Countries | 0 | - | 4.99 | 357,751 |
| Countries of South America | 0 | - | 5.00 | 914,854 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,563 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,522 |
| Countries with J | 0 | - | 4.55 | 184,274 |
| Countries by Consonants | 0 | - | 4.42 | 78,224 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,444 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,258 |
| Countries with Megacities | 0 | - | 4.99 | 246,965 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,145 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,988 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,561 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,882 |
| Countries by Official Language | 0 | - | 4.95 | 192,777 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,144 |
| Countries in their Native Language | 0 | - | 4.99 | 196,643 |
| Independence from Whom | 0 | - | 4.99 | 209,703 |
| Subdivisions by Country | 0 | - | 4.86 | 50,068 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,760 |
| Megadiverse Countries | 0 | - | 4.97 | 133,906 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,809 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,921 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,429 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,862 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,668 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,004 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,028 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,149 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,215 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,746 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,577 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,422 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,497 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,505 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,677 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,030 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,602 |
| World Map Quiz | 0 | - | 4.81 | 63,497 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,697 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,333 |
| Countries by Founding Story | 0 | - | 4.95 | 76,546 |
| Countries by Road Signs | 0 | - | 4.98 | 53,103 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,361 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,996 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,956 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,782 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,859 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,065 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,280 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,951 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,338 |
| Widest Countries East to West | 0 | - | 4.92 | 128,608 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,218 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,219 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,570 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,691 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,635 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,047 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,051 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,584 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,514 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,300 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,431 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,997 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,107 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,920 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,193 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,387 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,531 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,619 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,173 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,422 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,331 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,169 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,665 |
| One Border Countries | 0 | - | 4.98 | 464,410 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 102,187 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,639 |
| Most Similar Country Names | 0 | - | 4.16 | 46,299 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,757 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,801,318 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,359 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,846 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,943 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,891 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,499 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,611 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,278 |
| Countries by National Anthem | 0 | - | 4.93 | 71,031 |
| NATO Countries | 0 | - | 4.98 | 275,781 |
| EU Countries Quiz | 0 | - | 4.99 | 269,966 |
| Recently Independent Countries | 0 | - | 4.98 | 157,990 |
| French-Speaking Countries | 0 | - | 4.85 | 268,813 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,379 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,020 |
