| Solve the Secret Country #1 | 0 | - | 4.95 | 135,005 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 92,365 |
| Anagram Chain - Countries | 0 | - | 4.99 | 99,554 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 47,381 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,948,680 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 38,078 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,760,313 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,367 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 389,250 |
| Countries with Four Letters | 0 | - | 4.99 | 378,662 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,171,310 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,228,598 |
| Members of the Arab League | 0 | - | 4.86 | 66,292 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,494 |
| Himalayan Countries | 0 | - | 4.94 | 108,433 |
| Andean Countries | 0 | - | 4.91 | 60,209 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,391 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,858 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,474 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,857 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,265 |
| Danube Countries | 0 | - | 4.96 | 57,237 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,248 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,302 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,721 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,415 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,045 |
| European Landlocked Countries | 0 | - | 4.99 | 137,050 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,819 |
| Countries with the Most Species | 0 | - | 4.99 | 89,859 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,347 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,028 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,322 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,072 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 159,540 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,887 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 144,903 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,126 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,932 |
| Countries in the Alps | 0 | - | 4.84 | 103,878 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,449 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,550 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,292 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,388 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,906 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,359 |
| Country Chain | 0 | - | 4.96 | 199,923 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,563 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,780 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,702 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,421 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,183 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,034 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,035 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,590 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,683 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,253 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,583 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,968 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,053 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,597 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,427 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,837 |
| Largest Countries By Category | 0 | - | 4.97 | 146,451 |
| Countries by Emojis | 0 | - | 4.99 | 209,754 |
| Countries by Countries | 0 | - | 4.95 | 55,611 |
| Countries With One Word And Two O's | 0 | - | 4.91 | 36,001 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,559 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,211 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,633 |
| Islands by Country #1 | 0 | - | 4.87 | 164,927 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,801 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,616 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,455 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 185,490 |
| Name a Valid Country #3 | 0 | - | 4.98 | 213,575 |
| Name a Valid Country #1 | 0 | - | 4.99 | 232,788 |
| Name a Valid Country #2 | 0 | - | 4.98 | 199,014 |
| Name a Valid Country #4 | 0 | - | 4.97 | 206,271 |
| Name a Valid Country #5 | 0 | - | 4.99 | 164,334 |
| Name a Valid Country #6 | 0 | - | 4.94 | 103,593 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,059 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,642 |
| Island Countries Quiz | 0 | - | 4.99 | 668,654 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,453 |
| Northernmost Countries | 0 | - | 4.99 | 330,911 |
| Countries of South America | 0 | - | 5.00 | 809,932 |
| Countries of Oceania | 0 | - | 5.00 | 913,621 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,611,229 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 165,607 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 79,626 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,299 |
| Countries with the Most McDonald's Locations | 0 | - | 4.84 | 104,700 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 81,881 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 88,399 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 288,309 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 211,061 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 201,599 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 171,692 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,141 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,291 |
| Random Countries by Borders | 0 | - | 4.99 | 67,527 |
| Random Name a Valid Country | 0 | - | 4.99 | 174,868 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,019 |
| Countries with Megacities | 0 | - | 4.99 | 201,822 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,348 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,954 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,234 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,868 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,013 |
| Countries by Official Language | 0 | - | 4.96 | 175,230 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,216 |
| Countries in their Native Language | 0 | - | 4.98 | 180,560 |
| Independence from Whom | 0 | - | 4.99 | 189,361 |
| Subdivisions by Country | 0 | - | 4.84 | 46,892 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,628 |
| Megadiverse Countries | 0 | - | 4.96 | 126,794 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,901 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,582 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,817 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,335 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,889 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,630 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,038 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,713 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,854 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,073 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,258 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,939 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,471 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,401 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,026 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,477 |
| World Map Quiz | 0 | - | 4.90 | 51,393 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,444 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,722 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,727 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,814 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,950 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,703 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,687 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,053 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,272 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,080 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,563 |
| Widest Countries East to West | 0 | - | 4.93 | 120,537 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,117 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,533 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,819 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,409 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,705 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,643 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,471 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,795 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,408 |
| Countries with Double Letters | 0 | - | 4.96 | 71,783 |
| Countries that End in N | 0 | - | 4.94 | 135,964 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,826 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,521 |
| Countries with W | 0 | - | 4.96 | 125,633 |
| Countries with Z | 0 | - | 4.98 | 264,633 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,680 |
| Countries That End in U | 0 | - | 4.95 | 109,326 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,355 |
| Countries that End in O | 0 | - | 4.92 | 148,640 |
| Countries that End in R | 0 | - | 4.85 | 97,304 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,083 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,142 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,684 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,683 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,629 |
| Countries That End in Y | 0 | - | 4.90 | 162,404 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,971 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,367 |
| Countries that End in I | 0 | - | 4.92 | 115,196 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,618 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,377 |
| Countries That End in NIA | 0 | - | 4.92 | 101,807 |
| Countries That End in BIA | 0 | - | 4.91 | 127,283 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,142 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,958 |
| Countries That End in RIA | 0 | - | 4.90 | 101,880 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,740 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,539 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,595 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,717 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,273 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,890 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,824 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,150 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,684 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,481 |
| Countries that End in L | 0 | - | 4.95 | 135,831 |
| "Land" Countries | 0 | - | 4.98 | 292,290 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,259 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,880 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,344 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,055 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,605 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,064 |
