| Solve the Secret Country #1 | 0 | - | 4.95 | 134,986 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 92,351 |
| Anagram Chain - Countries | 0 | - | 4.99 | 99,544 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 38,068 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 47,369 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,757,008 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,329 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,948,549 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 389,225 |
| Countries with Four Letters | 0 | - | 4.99 | 378,652 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,170,943 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,228,249 |
| Members of the Arab League | 0 | - | 4.86 | 66,279 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,484 |
| Himalayan Countries | 0 | - | 4.94 | 108,426 |
| Andean Countries | 0 | - | 4.91 | 60,202 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,386 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,852 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,470 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,856 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,263 |
| Danube Countries | 0 | - | 4.96 | 57,232 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,246 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,299 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,716 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,408 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,039 |
| European Landlocked Countries | 0 | - | 4.99 | 137,047 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,814 |
| Countries with the Most Species | 0 | - | 4.99 | 89,858 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,343 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,027 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,320 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,069 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 159,522 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,886 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 144,887 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,124 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,928 |
| Countries in the Alps | 0 | - | 4.84 | 103,868 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,447 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,536 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,290 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,385 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,903 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,354 |
| Country Chain | 0 | - | 4.96 | 199,906 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,556 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,778 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,699 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,419 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,179 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,033 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,033 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,587 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,681 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,251 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,570 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,966 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,046 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,577 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,409 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,835 |
| Largest Countries By Category | 0 | - | 4.97 | 146,444 |
| Countries by Emojis | 0 | - | 4.99 | 209,739 |
| Countries by Countries | 0 | - | 4.95 | 55,608 |
| Countries With One Word And Two O's | 0 | - | 4.91 | 35,991 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,555 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,210 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,624 |
| Islands by Country #1 | 0 | - | 4.87 | 164,923 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,794 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,611 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,452 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 185,468 |
| Name a Valid Country #3 | 0 | - | 4.98 | 213,563 |
| Name a Valid Country #1 | 0 | - | 4.99 | 232,778 |
| Name a Valid Country #2 | 0 | - | 4.98 | 199,002 |
| Name a Valid Country #4 | 0 | - | 4.97 | 206,258 |
| Name a Valid Country #5 | 0 | - | 4.99 | 164,325 |
| Name a Valid Country #6 | 0 | - | 4.94 | 103,575 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,035 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,621 |
| Island Countries Quiz | 0 | - | 4.99 | 668,617 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,394 |
| Northernmost Countries | 0 | - | 4.99 | 330,896 |
| Countries of South America | 0 | - | 5.00 | 809,826 |
| Countries of Oceania | 0 | - | 5.00 | 913,539 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,611,036 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 165,594 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 79,622 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,298 |
| Countries with the Most McDonald's Locations | 0 | - | 4.84 | 104,692 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 81,880 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 88,395 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 288,292 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 211,042 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 201,586 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 171,678 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,130 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,288 |
| Random Countries by Borders | 0 | - | 4.99 | 67,523 |
| Random Name a Valid Country | 0 | - | 4.99 | 174,818 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,006 |
| Countries with Megacities | 0 | - | 4.99 | 201,811 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,338 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,951 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,224 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,858 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,976 |
| Countries by Official Language | 0 | - | 4.96 | 175,220 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,200 |
| Countries in their Native Language | 0 | - | 4.98 | 180,548 |
| Independence from Whom | 0 | - | 4.99 | 189,344 |
| Subdivisions by Country | 0 | - | 4.84 | 46,889 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,614 |
| Megadiverse Countries | 0 | - | 4.96 | 126,791 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,890 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,578 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,815 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,328 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,887 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,620 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,034 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,713 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,853 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,066 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,256 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,936 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,465 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,401 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,022 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,431 |
| World Map Quiz | 0 | - | 4.90 | 51,388 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,425 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,716 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,710 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,804 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,943 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,680 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,680 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,048 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,263 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,078 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,553 |
| Widest Countries East to West | 0 | - | 4.93 | 120,527 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,117 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,527 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,818 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,405 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,640 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,638 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,464 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,795 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,407 |
| Countries with Double Letters | 0 | - | 4.96 | 71,772 |
| Countries that End in N | 0 | - | 4.94 | 135,955 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,816 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,508 |
| Countries with W | 0 | - | 4.96 | 125,629 |
| Countries with Z | 0 | - | 4.98 | 264,616 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,673 |
| Countries That End in U | 0 | - | 4.95 | 109,325 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,348 |
| Countries that End in O | 0 | - | 4.92 | 148,629 |
| Countries that End in R | 0 | - | 4.85 | 97,298 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,079 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,128 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,681 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,679 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,624 |
| Countries That End in Y | 0 | - | 4.90 | 162,397 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,964 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,364 |
| Countries that End in I | 0 | - | 4.92 | 115,194 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,615 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,377 |
| Countries That End in NIA | 0 | - | 4.92 | 101,805 |
| Countries That End in BIA | 0 | - | 4.91 | 127,280 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,134 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,955 |
| Countries That End in RIA | 0 | - | 4.90 | 101,878 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,734 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,522 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,587 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,711 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,263 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,883 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,821 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,143 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,679 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,476 |
| Countries that End in L | 0 | - | 4.95 | 135,825 |
| "Land" Countries | 0 | - | 4.98 | 292,282 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,248 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,878 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,343 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,052 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,598 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,054 |
