| Solve the Secret Country #1 | 0 | - | 4.94 | 167,199 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,602 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,343 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,126 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,642,600 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,471 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,727,012 |
| Landlocked Countries | 0 | - | 4.99 | 423,768 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,419 |
| Countries with Four Letters | 0 | - | 4.99 | 424,729 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,676 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,321 |
| Himalayan Countries | 0 | - | 4.94 | 139,494 |
| Andean Countries | 0 | - | 4.94 | 85,039 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,235 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,430 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,792 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,107 |
| Danube Countries | 0 | - | 4.97 | 72,206 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,296 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,617 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,700 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,201 |
| European Landlocked Countries | 0 | - | 4.99 | 147,365 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,967 |
| Countries with the Most Species | 0 | - | 4.99 | 103,415 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,106 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,680 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,540 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,687 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,933 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,432 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,845 |
| Countries in the Alps | 0 | - | 4.87 | 118,478 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,054 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,431 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,806 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,805 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,735 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,094 |
| Country Chain | 0 | - | 4.96 | 217,949 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,911 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,665 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,290 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,015 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,760 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,626 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,384 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,634 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,718 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,362 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,472 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,203 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,347 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,882 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,642 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,375 |
| Largest Countries By Category | 0 | - | 4.97 | 158,533 |
| Countries by Emojis | 0 | - | 4.99 | 241,149 |
| Countries by Countries | 0 | - | 4.96 | 63,434 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,346 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,656 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,999 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,345 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,618 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,897 |
| Islands by Country #1 | 0 | - | 4.90 | 175,813 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,983 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,328 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,146 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,088 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,779 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,272 |
| Name a Valid Country #2 | 0 | - | 4.98 | 252,820 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,882 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,850 |
| Name a Valid Country #6 | 0 | - | 4.94 | 137,968 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,551 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,173 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,083 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,493 |
| Island Countries | 0 | - | 4.99 | 711,740 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,335 |
| Northernmost Countries | 0 | - | 4.99 | 363,022 |
| Countries of South America | 0 | - | 5.00 | 929,905 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,143 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,041 |
| "Land" Countries | 0 | - | 4.98 | 337,862 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,453 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,530 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,476 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,969 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,738 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,329 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,164 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,476 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,339 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,399 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,107 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,496 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,719 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,391 |
| Random Countries by Borders | 0 | - | 4.99 | 82,845 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,934 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,427 |
| Countries with Megacities | 0 | - | 4.99 | 265,824 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,221 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,748 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,488 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,834 |
| Countries by Official Language | 0 | - | 4.95 | 195,626 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,013 |
| Countries in their Native Language | 0 | - | 4.99 | 199,397 |
| Independence from Whom | 0 | - | 4.99 | 212,545 |
| Subdivisions by Country | 0 | - | 4.87 | 50,525 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,065 |
| Megadiverse Countries | 0 | - | 4.96 | 135,153 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,432 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,455 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,338 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,160 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,368 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,696 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,732 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,469 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,745 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,206 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,082 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,171 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,323 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,056 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,471 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,598 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,802 |
| World Map Quiz | 0 | - | 4.81 | 65,376 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,238 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,527 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,631 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,653 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,316 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,938 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,182 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,303 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,520 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,579 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,534 |
| Widest Countries East to West | 0 | - | 4.92 | 130,165 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,525 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,018 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,438 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,923 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,801 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,075 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,446 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,851 |
| Countries with Double Letters | 0 | - | 4.96 | 96,662 |
| Countries that End in N | 0 | - | 4.95 | 171,550 |
| Countries with Five Letters | 0 | - | 4.96 | 283,192 |
| Countries with Six Letters | 0 | - | 4.94 | 214,006 |
| Countries with W | 0 | - | 4.96 | 160,629 |
| Countries with Z | 0 | - | 4.98 | 291,944 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,995 |
| Countries That End in U | 0 | - | 4.95 | 121,013 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,783 |
| Countries that End in O | 0 | - | 4.92 | 159,666 |
| Countries that End in R | 0 | - | 4.87 | 119,068 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,829 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,458 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,931 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,647 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,569 |
| Countries That End in Y | 0 | - | 4.91 | 185,994 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,185 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,069 |
| Countries that End in I | 0 | - | 4.94 | 135,212 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,369 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,929 |
| Countries That End in NIA | 0 | - | 4.92 | 109,916 |
| Countries That End in BIA | 0 | - | 4.93 | 149,396 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,332 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,609 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,211 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,085 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,948 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,387 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,925 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,686 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,181 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,490 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,713 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,545 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,511 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,196 |
| Countries that End in L | 0 | - | 4.94 | 156,991 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,687 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,304 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,149 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,080 |
