| Solve the Secret Country #1 | 0 | - | 4.95 | 130,358 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 88,500 |
| Anagram Chain - Countries | 0 | - | 4.98 | 96,869 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 44,907 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,923,280 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 35,311 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,988,165 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,481 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 384,726 |
| Countries with Four Letters | 0 | - | 4.99 | 375,716 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,077,548 |
| Members of the Arab League | 0 | - | 4.85 | 62,280 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,176 |
| Himalayan Countries | 0 | - | 4.94 | 105,019 |
| Andean Countries | 0 | - | 4.91 | 58,269 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,218 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,430 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,790 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,088 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,341 |
| Danube Countries | 0 | - | 4.97 | 56,669 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,711 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,862 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,289 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,399 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,596 |
| European Landlocked Countries | 0 | - | 4.99 | 115,535 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,422 |
| Countries with the Most Species | 0 | - | 4.99 | 89,538 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,395 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,690 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,020 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,314 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 157,286 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,434 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 142,642 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,719 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,183 |
| Countries in the Alps | 0 | - | 4.84 | 102,708 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,358 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,255 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,617 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,299 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,011 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,593 |
| Country Chain | 0 | - | 4.95 | 178,275 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,663 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,172 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,336 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,684 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,461 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,614 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,685 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,530 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,002 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,508 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,160 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,368 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,419 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,529 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,996 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,306 |
| Largest Countries By Category | 0 | - | 4.96 | 144,975 |
| Countries by Emojis | 0 | - | 4.99 | 205,938 |
| Countries by Countries | 0 | - | 4.96 | 54,681 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 34,581 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,731 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,275 |
| Islands by Country #1 | 0 | - | 4.87 | 163,691 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,754 |
| Regions of Countries #2 | 0 | - | 4.95 | 114,440 |
| Regions of Countries #3 | 0 | - | 4.84 | 83,669 |
| Name a Valid Country #3 | 0 | - | 4.98 | 209,850 |
| Name a Valid Country #1 | 0 | - | 4.99 | 228,017 |
| Name a Valid Country #2 | 0 | - | 4.98 | 194,862 |
| Name a Valid Country #4 | 0 | - | 4.96 | 201,834 |
| Name a Valid Country #5 | 0 | - | 4.99 | 160,161 |
| Name a Valid Country #6 | 0 | - | 4.92 | 88,771 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,336 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 355,870 |
| Island Countries Quiz | 0 | - | 4.99 | 661,003 |
| Biggest Countries by Area | 0 | - | 5.00 | 933,978 |
| Northernmost Countries | 0 | - | 4.99 | 327,460 |
| Countries of South America | 0 | - | 5.00 | 794,380 |
| Countries of Oceania | 0 | - | 5.00 | 894,844 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,157,445 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,575,299 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,624 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 68,116 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.83 | 47,011 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,936 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 80,002 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,472 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 87,129 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 284,139 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 207,623 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 198,604 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 169,138 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 106,192 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,348 |
| Random Countries by Borders | 0 | - | 4.99 | 66,492 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,353 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,180 |
| Countries with Megacities | 0 | - | 4.99 | 197,588 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,835 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,125 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,644 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,284 |
| Countries by Official Language | 0 | - | 4.96 | 172,802 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,487 |
| Countries in their Native Language | 0 | - | 4.98 | 178,447 |
| Independence from Whom | 0 | - | 4.99 | 185,784 |
| Subdivisions by Country | 0 | - | 4.82 | 46,461 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,566 |
| Megadiverse Countries | 0 | - | 4.96 | 125,372 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,544 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,727 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,398 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,658 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,176 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,990 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,159 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,072 |
| Countries in Relation to Cities #1 | 0 | - | 4.91 | 41,363 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,890 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,631 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,041 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,978 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,577 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,309 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,466 |
| World Map Quiz | 0 | - | 4.90 | 49,504 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,557 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,975 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,040 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,150 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,905 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,398 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,688 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,397 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 54,034 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,520 |
| Widest Countries East to West | 0 | - | 4.93 | 119,446 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,840 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,115 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,698 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,650 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,428 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,250 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,483 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 32,076 |
| Countries with Double Letters | 0 | - | 4.96 | 68,556 |
| Countries that End in N | 0 | - | 4.93 | 132,888 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,970 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,245 |
| Countries with W | 0 | - | 4.97 | 122,850 |
| Countries with Z | 0 | - | 4.98 | 244,639 |
| Countries with Letters Missing | 0 | - | 4.97 | 166,942 |
| Countries That End in U | 0 | - | 4.95 | 107,634 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,659 |
| Countries that End in O | 0 | - | 4.92 | 147,005 |
| Countries that End in R | 0 | - | 4.85 | 96,518 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,295 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,559 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,891 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,296 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,380 |
| Countries That End in Y | 0 | - | 4.90 | 161,681 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,153 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,873 |
| Countries that End in I | 0 | - | 4.92 | 114,534 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,689 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,349 |
| Countries That End in NIA | 0 | - | 4.93 | 100,921 |
| Countries That End in BIA | 0 | - | 4.91 | 126,187 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,355 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,845 |
| Countries That End in RIA | 0 | - | 4.90 | 101,043 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,535 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 201,054 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,850 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,744 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,546 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 92,333 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,818 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,892 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,863 |
| Countries that End in L | 0 | - | 4.95 | 134,366 |
| "Land" Countries | 0 | - | 4.98 | 289,364 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,997 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,196 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,359 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,247 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,680 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 208,102 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,617 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,564 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 133,194 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 194,062 |
