| Countries with Double Letters | 0 | - | 4.97 | 88,084 |
| Countries that End in N | 0 | - | 4.93 | 151,476 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 252,619 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,583 |
| Countries with W | 0 | - | 4.97 | 154,166 |
| Countries with Z | 0 | - | 4.98 | 281,678 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,659 |
| Countries That End in U | 0 | - | 4.95 | 117,075 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,822 |
| Countries that End in O | 0 | - | 4.92 | 156,516 |
| Countries that End in R | 0 | - | 4.84 | 101,341 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,266 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,459 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,493 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,486 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,460 |
| Countries That End in Y | 0 | - | 4.91 | 183,773 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,295 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 149,124 |
| Countries that End in I | 0 | - | 4.93 | 118,569 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,094 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,846 |
| Countries That End in NIA | 0 | - | 4.92 | 107,413 |
| Countries That End in BIA | 0 | - | 4.92 | 145,603 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,477 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,614 |
| Countries That End in RIA | 0 | - | 4.92 | 124,393 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,975 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 220,303 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,870 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,994 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,727 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,622 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,358 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,477 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,197 |
| Countries with the Word "And" | 0 | - | 4.98 | 92,149 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,328 |
| Countries that End in L | 0 | - | 4.94 | 153,774 |
| "Land" Countries | 0 | - | 4.98 | 303,222 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,738 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,440 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 397,884 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,541,316 |
| Countries with Four Letters | 0 | - | 4.99 | 408,887 |
| Sahara Desert Countries | 0 | - | 4.98 | 153,125 |
| Himalayan Countries | 0 | - | 4.95 | 128,737 |
| Andean Countries | 0 | - | 4.93 | 72,509 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,583 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 118,066 |
| Coffee Producing Countries | 0 | - | 4.81 | 62,900 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,066 |
| Danube Countries | 0 | - | 4.97 | 62,664 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,342 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,677 |
| Countries with the Worst Passports | 0 | - | 4.93 | 78,478 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 143,236 |
| European Landlocked Countries | 0 | - | 4.99 | 143,444 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,003 |
| Countries with the Most Species | 0 | - | 4.99 | 93,811 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,438 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,463 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,648 |
| Countries that Use the Peso | 0 | - | 4.87 | 57,707 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,242 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,340 |
| Countries in the Alps | 0 | - | 4.87 | 113,875 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,630 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,499 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,759 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,117 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,023 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,426 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,201 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,299 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,143 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,367 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,263 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,083 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,815 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,303 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,242 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,979 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,194 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,997 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,974 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 230,468 |
| World Countries - Blind Typing | 0 | - | 5.00 | 100,317 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,400 |
| Largest Countries By Category | 0 | - | 4.97 | 153,908 |
| Countries by Countries | 0 | - | 4.96 | 60,315 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,496,933 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,577 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,299 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,808 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 94,846 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,794 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,588,079 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,913 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 206,909 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 366,039 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,996 |
| Island Countries Quiz | 0 | - | 4.99 | 699,912 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,016,235 |
| Northernmost Countries | 0 | - | 4.99 | 347,918 |
| Countries of South America | 0 | - | 5.00 | 888,025 |
| Countries of Oceania | 0 | - | 5.00 | 1,007,091 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,786,043 |
| Countries with J | 0 | - | 4.53 | 181,314 |
| Countries by Consonants | 0 | - | 4.41 | 77,163 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,313,600 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,702 |
| Countries with Megacities | 0 | - | 4.99 | 225,845 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,975 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,028 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,915 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,569 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,546 |
| Countries by Official Language | 0 | - | 4.95 | 188,549 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 287,763 |
| Countries in their Native Language | 0 | - | 4.99 | 192,483 |
| Independence from Whom | 0 | - | 4.99 | 204,859 |
| Subdivisions by Country | 0 | - | 4.85 | 49,336 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 127,165 |
| Megadiverse Countries | 0 | - | 4.97 | 132,127 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 126,020 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,039 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,245 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,195 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,861 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,906 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,791 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,002 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,904 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,905 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,486 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,825 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,064 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,512 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,249 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,681 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 103,469 |
| World Map Quiz | 0 | - | 4.84 | 60,607 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 143,773 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,794 |
| Countries by Founding Story | 0 | - | 4.95 | 74,743 |
| Countries by Road Signs | 0 | - | 4.98 | 51,260 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,675 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,713 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,386 |
| Countries With the Most Languages | 0 | - | 4.89 | 194,531 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 107,342 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,140 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,351 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,742 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,748 |
| Widest Countries East to West | 0 | - | 4.92 | 126,738 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,739 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,944 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,580 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,179 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 145,326 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,202 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,597 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,118 |
| City to Country Quiz #1 | 0 | - | 4.96 | 153,097 |
| City to Country Quiz #3 | 0 | - | 4.88 | 107,035 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 77,018 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,843 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,568 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,924 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 159,303 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,546 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,290 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,696 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,750 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,528 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,854 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,404,722 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,680 |
| One Border Countries | 0 | - | 4.98 | 452,019 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 98,186 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 23,085 |
| Most Similar Country Names | 0 | - | 4.15 | 45,741 |
| Longest Country Name A-Z | 0 | - | 4.34 | 40,795 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,703,950 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,764 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 261,219 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,348 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,329 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,561 |
| Countries by National Anthem | 0 | - | 4.93 | 70,438 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,734 |
| EU Countries Quiz | 0 | - | 4.99 | 259,574 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 155,027 |
| French-Speaking Countries | 0 | - | 4.85 | 264,408 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 82,313 |
| Countries That Use the Euro | 0 | - | 4.97 | 96,959 |
