| "Land" Countries | 0 | - | 4.98 | 337,802 |
| Countries with Double Letters | 0 | - | 4.96 | 96,609 |
| Countries that End in N | 0 | - | 4.95 | 171,495 |
| Countries with Five Letters | 0 | - | 4.96 | 283,097 |
| Countries with Six Letters | 0 | - | 4.94 | 213,964 |
| Countries with W | 0 | - | 4.96 | 160,589 |
| Countries with Z | 0 | - | 4.98 | 291,875 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,962 |
| Countries That End in U | 0 | - | 4.95 | 120,993 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,745 |
| Countries that End in O | 0 | - | 4.92 | 159,648 |
| Countries that End in R | 0 | - | 4.87 | 119,059 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,818 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,417 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,899 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,631 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,553 |
| Countries That End in Y | 0 | - | 4.91 | 185,978 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,153 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,044 |
| Countries that End in I | 0 | - | 4.94 | 135,200 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,340 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,918 |
| Countries That End in NIA | 0 | - | 4.92 | 109,893 |
| Countries That End in BIA | 0 | - | 4.93 | 149,371 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,300 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,585 |
| Countries That End in RIA | 0 | - | 4.93 | 126,926 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,182 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,018 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,922 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,358 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,902 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,672 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,167 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,483 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,684 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,533 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,483 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,176 |
| Countries with the Highest Scrabble Score | 0 | - | 4.97 | 63,838 |
| Countries that End in L | 0 | - | 4.94 | 156,971 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,560 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,302 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,840,992 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,641,403 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,518 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,172 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,678 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,710,678 |
| Landlocked Countries | 0 | - | 4.99 | 423,566 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 582,308 |
| Countries with Four Letters | 0 | - | 4.99 | 424,560 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,790,213 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,373 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,245 |
| Himalayan Countries | 0 | - | 4.94 | 139,423 |
| Andean Countries | 0 | - | 4.94 | 84,990 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,203 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,374 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,764 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,078 |
| Danube Countries | 0 | - | 4.97 | 72,185 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,266 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,596 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,651 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,158 |
| European Landlocked Countries | 0 | - | 4.99 | 147,340 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,926 |
| Countries with the Most Species | 0 | - | 4.99 | 103,398 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,070 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,670 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,782 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,665 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,419 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,825 |
| Countries in the Alps | 0 | - | 4.87 | 118,451 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,983 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,397 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,790 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,785 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,709 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,085 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,880 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,646 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,282 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,999 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,751 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,618 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,366 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,618 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,687 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,301 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,452 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,101 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,323 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,796 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,589 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,359 |
| Largest Countries By Category | 0 | - | 4.97 | 158,508 |
| Countries by Countries | 0 | - | 4.96 | 63,418 |
| Pixelated World Map | 0 | - | 5.00 | 143,827 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,958 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,339 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,608 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,258 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,563 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,709 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,196 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,182 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,838 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,865 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,944 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,016 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,544 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,995 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,022 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,379 |
| Island Countries | 0 | - | 4.99 | 711,643 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,036 |
| Northernmost Countries | 0 | - | 4.99 | 362,883 |
| Countries of South America | 0 | - | 5.00 | 929,621 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,716 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,882,447 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,816 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,327 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,044 |
| Countries with J | 0 | - | 4.55 | 185,526 |
| Official Country Names of the World | 0 | - | 4.47 | 22,767 |
| Countries by Consonants | 0 | - | 4.42 | 78,824 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,377 |
| Countries with Megacities | 0 | - | 4.99 | 265,702 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,171 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,721 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,436 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,799 |
| Countries by Official Language | 0 | - | 4.95 | 195,578 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,847 |
| Countries in their Native Language | 0 | - | 4.99 | 199,359 |
| Independence from Whom | 0 | - | 4.99 | 212,490 |
| Subdivisions by Country | 0 | - | 4.87 | 50,517 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,026 |
| Megadiverse Countries | 0 | - | 4.96 | 135,141 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,376 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,445 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,327 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,156 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,336 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,680 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,694 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,455 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,734 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,201 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,039 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,993 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,306 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,045 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,464 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,587 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,724 |
| World Map Quiz | 0 | - | 4.81 | 65,325 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,129 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,512 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 113,454 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,350 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,947 |
| Countries by Founding Story | 0 | - | 4.95 | 77,507 |
| Countries by Road Signs | 0 | - | 4.98 | 54,173 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,641 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,545 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,591 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,264 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,856 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,143 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,270 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,487 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,553 |
| Tallest Countries North to South | 0 | - | 4.83 | 126,770 |
| Widest Countries East to West | 0 | - | 4.92 | 130,052 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,511 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,983 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,427 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,899 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,779 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,046 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,440 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,841 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,077 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,133 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,064 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,113 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,052 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,887 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,280 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,030 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,689 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,028 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,168 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,751 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,093 |
