| Solve the Secret Country #1 | 0 | - | 4.95 | 130,428 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 88,560 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 44,952 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,923,805 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 35,368 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,004,954 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,668 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 384,811 |
| Countries with Four Letters | 0 | - | 4.99 | 375,753 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,079,376 |
| Members of the Arab League | 0 | - | 4.85 | 62,375 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,247 |
| Himalayan Countries | 0 | - | 4.94 | 105,082 |
| Andean Countries | 0 | - | 4.91 | 58,315 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,271 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,459 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,819 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,110 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,354 |
| Danube Countries | 0 | - | 4.97 | 56,681 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,726 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,870 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,325 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,425 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,617 |
| European Landlocked Countries | 0 | - | 4.99 | 115,551 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,437 |
| Countries with the Most Species | 0 | - | 4.99 | 89,541 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,409 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,696 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,020 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,335 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 157,334 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,441 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 142,678 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,727 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,200 |
| Countries in the Alps | 0 | - | 4.84 | 102,723 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,384 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,289 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,630 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,323 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,033 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,611 |
| Country Chain | 0 | - | 4.95 | 178,318 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,690 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,183 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,340 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,696 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,475 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,630 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,697 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,553 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,020 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,530 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,213 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,378 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,432 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,623 |
| World Countries - Blind Typing | 0 | - | 5.00 | 73,054 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,317 |
| Largest Countries By Category | 0 | - | 4.96 | 145,005 |
| Countries by Emojis | 0 | - | 4.99 | 206,020 |
| Countries by Countries | 0 | - | 4.96 | 54,705 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 34,604 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,602 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,740 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,306 |
| Islands by Country #1 | 0 | - | 4.87 | 163,709 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,775 |
| Regions of Countries #2 | 0 | - | 4.95 | 114,461 |
| Regions of Countries #3 | 0 | - | 4.84 | 83,679 |
| Name a Valid Country #3 | 0 | - | 4.98 | 209,898 |
| Name a Valid Country #1 | 0 | - | 4.99 | 228,089 |
| Name a Valid Country #2 | 0 | - | 4.98 | 194,931 |
| Name a Valid Country #4 | 0 | - | 4.96 | 201,902 |
| Name a Valid Country #5 | 0 | - | 4.99 | 160,374 |
| Name a Valid Country #6 | 0 | - | 4.92 | 88,823 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,404 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 355,971 |
| Island Countries Quiz | 0 | - | 4.99 | 661,150 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,267 |
| Northernmost Countries | 0 | - | 4.99 | 327,759 |
| Countries of South America | 0 | - | 5.00 | 794,799 |
| Countries of Oceania | 0 | - | 5.00 | 895,317 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,159,233 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,576,117 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,694 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 68,134 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.83 | 47,033 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,963 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 80,016 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,529 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 87,149 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 284,259 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 207,715 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 198,692 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 169,215 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 106,244 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,369 |
| Random Countries by Borders | 0 | - | 4.99 | 66,515 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,463 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,449 |
| Countries with Megacities | 0 | - | 4.99 | 197,719 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,958 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,200 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,764 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,170 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,419 |
| Countries by Official Language | 0 | - | 4.96 | 172,894 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,545 |
| Countries in their Native Language | 0 | - | 4.98 | 178,492 |
| Independence from Whom | 0 | - | 4.99 | 185,853 |
| Subdivisions by Country | 0 | - | 4.82 | 46,472 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,615 |
| Megadiverse Countries | 0 | - | 4.96 | 125,395 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,575 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,747 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,410 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,688 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,188 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,029 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,184 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,085 |
| Countries in Relation to Cities #1 | 0 | - | 4.91 | 41,365 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,908 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,644 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,058 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,986 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,590 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,325 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,548 |
| World Map Quiz | 0 | - | 4.90 | 49,561 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,582 |
| Southernmost Countries of the World | 0 | - | 4.99 | 207,038 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,064 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,183 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,970 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,420 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,716 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,429 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 54,053 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,547 |
| Widest Countries East to West | 0 | - | 4.93 | 119,475 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,850 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,144 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,705 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,672 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,453 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,281 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,494 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 32,082 |
| Countries with Double Letters | 0 | - | 4.96 | 68,598 |
| Countries that End in N | 0 | - | 4.93 | 132,921 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 230,014 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,282 |
| Countries with W | 0 | - | 4.97 | 122,883 |
| Countries with Z | 0 | - | 4.98 | 244,681 |
| Countries with Letters Missing | 0 | - | 4.97 | 167,066 |
| Countries That End in U | 0 | - | 4.95 | 107,645 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,684 |
| Countries that End in O | 0 | - | 4.92 | 147,016 |
| Countries that End in R | 0 | - | 4.85 | 96,524 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,306 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,597 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,923 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,314 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,397 |
| Countries That End in Y | 0 | - | 4.90 | 161,690 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,185 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,896 |
| Countries that End in I | 0 | - | 4.92 | 114,545 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,728 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,363 |
| Countries That End in NIA | 0 | - | 4.93 | 100,936 |
| Countries That End in BIA | 0 | - | 4.91 | 126,208 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,375 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,866 |
| Countries That End in RIA | 0 | - | 4.90 | 101,058 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,554 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 201,117 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,882 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,787 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,583 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 92,353 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,845 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,908 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,886 |
| Countries that End in L | 0 | - | 4.95 | 134,381 |
| "Land" Countries | 0 | - | 4.98 | 289,405 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 189,026 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,199 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,377 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,260 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,701 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 208,156 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,692 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,587 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 133,225 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 194,111 |
