| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,469 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,069 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,348 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,321,512 |
| Landlocked Countries | 0 | - | 4.99 | 418,732 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,183 |
| Countries by Emojis | 0 | - | 4.99 | 238,575 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,692 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,616 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,615 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,910 |
| Himalayan Countries | 0 | - | 4.94 | 137,344 |
| Andean Countries | 0 | - | 4.95 | 83,889 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,186 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,588 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,799 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,320 |
| Danube Countries | 0 | - | 4.97 | 71,632 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,515 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,033 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,604 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,682 |
| European Landlocked Countries | 0 | - | 4.99 | 146,749 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,100 |
| Countries with the Most Species | 0 | - | 4.99 | 102,885 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,237 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,427 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,581 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,289 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,969 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,345 |
| Countries in the Alps | 0 | - | 4.87 | 117,652 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,109 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,327 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,394 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,960 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,432 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,253 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,169 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,951 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,533 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,467 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,329 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,175 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,192 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,140 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,051 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,039 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,930 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,561 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,496 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,281 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,174 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,983 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,621 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,275 |
| Largest Countries By Category | 0 | - | 4.97 | 157,605 |
| Countries by Countries | 0 | - | 4.96 | 62,819 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,176 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,304 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,130 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,976 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,802 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,551 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,991 |
| Island Countries | 0 | - | 4.99 | 709,664 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,295 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,848 |
| Northernmost Countries | 0 | - | 4.99 | 360,382 |
| Countries of South America | 0 | - | 5.00 | 922,651 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,681 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,784 |
| "Land" Countries | 0 | - | 4.98 | 335,751 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,407 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,219 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,931 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,758 |
| Name a Valid African Country | 0 | - | 4.98 | 153,753 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,183 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,018 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,654 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,966 |
| Countries with Megacities | 0 | - | 4.99 | 258,434 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,836 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,955 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,119 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,964 |
| Countries by Official Language | 0 | - | 4.95 | 194,605 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,477 |
| Countries in their Native Language | 0 | - | 4.99 | 198,149 |
| Independence from Whom | 0 | - | 4.99 | 211,262 |
| Subdivisions by Country | 0 | - | 4.86 | 50,278 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,667 |
| Megadiverse Countries | 0 | - | 4.96 | 134,753 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,524 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,175 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,739 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,008 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,686 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,364 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,945 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,831 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,471 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,983 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,909 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,702 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,979 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,760 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,137 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,314 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,139 |
| World Map Quiz | 0 | - | 4.81 | 64,494 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,525 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,014 |
| Countries by Founding Story | 0 | - | 4.95 | 77,047 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,467 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,906 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,620 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,286 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,497 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,658 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,812 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,251 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,268 |
| Widest Countries East to West | 0 | - | 4.92 | 129,349 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,377 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,937 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,986 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,499 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,202 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,528 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,225 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,054 |
| Countries that End in N | 0 | - | 4.95 | 169,928 |
| Countries with Five Letters | 0 | - | 4.96 | 279,965 |
| Countries with Six Letters | 0 | - | 4.94 | 212,438 |
| Countries with W | 0 | - | 4.97 | 159,500 |
| Countries with Z | 0 | - | 4.98 | 289,764 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,707 |
| Countries That End in U | 0 | - | 4.95 | 120,399 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,723 |
| Countries that End in O | 0 | - | 4.92 | 159,186 |
| Countries that End in R | 0 | - | 4.87 | 118,727 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,502 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,292 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,086 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,067 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,655 |
| Countries That End in Y | 0 | - | 4.90 | 185,642 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,199 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,400 |
| Countries that End in I | 0 | - | 4.94 | 134,856 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,047 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,566 |
| Countries That End in NIA | 0 | - | 4.92 | 109,502 |
| Countries That End in BIA | 0 | - | 4.93 | 148,826 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,690 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,034 |
| Countries That End in RIA | 0 | - | 4.93 | 126,520 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,607 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,636 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,198 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,543 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,092 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,306 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,667 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,218 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,104 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,187 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,806 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,514 |
| Countries that End in L | 0 | - | 4.94 | 156,530 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,925 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,152 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,826 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,710 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,756 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,748 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,137 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,593 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,096 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,588 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,568 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,943 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,590 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,647 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,821,932 |
| One Border Countries | 0 | - | 4.98 | 467,585 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,104 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,538 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,371 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,660 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,253 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,354 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,912 |
