| Name a Valid Country #1 | 0 | - | 4.99 | 229,973 |
| Name a Valid Country #4 | 0 | - | 4.97 | 203,420 |
| Name a Valid Country #5 | 0 | - | 4.99 | 162,139 |
| Name a Valid Country #6 | 0 | - | 4.92 | 89,857 |
| Random Name a Valid Country | 0 | - | 4.99 | 171,781 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,112 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,134 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,054 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,409 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,087 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,349,469 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,934,907 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 386,827 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,486 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 90,246 |
| Anagram Chain - Countries | 0 | - | 4.98 | 97,848 |
| Countries with Four Letters | 0 | - | 4.99 | 376,943 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 36,628 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 46,005 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,443 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,383 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 158,424 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 143,863 |
| Country Chain | 0 | - | 4.95 | 179,276 |
| Countries by Emojis | 0 | - | 4.99 | 207,921 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 35,326 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,121,478 |
| Islands by Country #1 | 0 | - | 4.87 | 164,273 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,234 |
| Regions of Countries #2 | 0 | - | 4.95 | 114,931 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,106 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,191,460 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 183,127 |
| Members of the Arab League | 0 | - | 4.85 | 64,397 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,764 |
| Himalayan Countries | 0 | - | 4.95 | 106,691 |
| Andean Countries | 0 | - | 4.91 | 59,331 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,382 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,188 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,559 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,487 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,803 |
| Danube Countries | 0 | - | 4.96 | 56,961 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,984 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,094 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,972 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,909 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,175 |
| European Landlocked Countries | 0 | - | 4.99 | 136,227 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,034 |
| Countries with the Most Species | 0 | - | 4.99 | 89,685 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,832 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,860 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,154 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,677 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,649 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,915 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,520 |
| Countries in the Alps | 0 | - | 4.84 | 103,266 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,884 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,296 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,930 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,979 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,449 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,962 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,097 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,475 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,510 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,053 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,817 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,793 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,846 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,158 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,330 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,890 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,304 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,654 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,716 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,238 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,030 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,560 |
| Largest Countries By Category | 0 | - | 4.97 | 145,696 |
| Countries by Countries | 0 | - | 4.96 | 55,109 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,347 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,955 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,908 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,899 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 342,944 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 358,899 |
| Island Countries Quiz | 0 | - | 4.99 | 664,393 |
| Biggest Countries by Area | 0 | - | 5.00 | 939,939 |
| Northernmost Countries | 0 | - | 4.99 | 329,207 |
| Countries of South America | 0 | - | 5.00 | 801,755 |
| Countries of Oceania | 0 | - | 5.00 | 903,640 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,591,749 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 164,473 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 78,710 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.82 | 48,084 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,526 |
| Countries with the Most McDonald's Locations | 0 | - | 4.87 | 103,419 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 80,866 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 87,584 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 109,491 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,789 |
| Random Countries by Borders | 0 | - | 4.99 | 66,990 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,558 |
| Countries with Megacities | 0 | - | 4.99 | 199,492 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,309 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,945 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 96,937 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,913 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,454 |
| Countries by Official Language | 0 | - | 4.96 | 174,103 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,134 |
| Countries in their Native Language | 0 | - | 4.98 | 179,336 |
| Independence from Whom | 0 | - | 4.99 | 187,475 |
| Subdivisions by Country | 0 | - | 4.82 | 46,676 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,536 |
| Megadiverse Countries | 0 | - | 4.96 | 126,140 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,432 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,103 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,629 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,310 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,484 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,776 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,657 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,375 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,666 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,441 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,920 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,555 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,135 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,002 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,623 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,276 |
| World Map Quiz | 0 | - | 4.91 | 50,398 |
| Category Elimination - Countries #5 | 0 | - | 4.71 | 129,256 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.63 | 64,316 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 102,970 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 115,942 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,114 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,241 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,844 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,055 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,616 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,999 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 72,371 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,441 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,521 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,017 |
| Widest Countries East to West | 0 | - | 4.93 | 119,973 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,987 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,771 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,974 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,097 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,965 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,716 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,619 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,243 |
| Countries with Double Letters | 0 | - | 4.96 | 69,913 |
| Countries that End in N | 0 | - | 4.94 | 134,150 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,491 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 188,889 |
| Countries with W | 0 | - | 4.96 | 124,146 |
| Countries with Z | 0 | - | 4.98 | 246,141 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,338 |
| Countries That End in U | 0 | - | 4.95 | 108,290 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,750 |
| Countries that End in O | 0 | - | 4.92 | 147,519 |
| Countries that End in R | 0 | - | 4.84 | 96,835 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,635 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,637 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,877 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,090 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,020 |
| Countries That End in Y | 0 | - | 4.90 | 161,984 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,031 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,513 |
| Countries that End in I | 0 | - | 4.92 | 114,841 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,565 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,932 |
| Countries That End in NIA | 0 | - | 4.93 | 101,337 |
| Countries That End in BIA | 0 | - | 4.91 | 126,712 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,225 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,360 |
| Countries That End in RIA | 0 | - | 4.90 | 101,448 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,081 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 202,858 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,683 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,690 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,351 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,194 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,426 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,264 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,268 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,595 |
| Countries that End in L | 0 | - | 4.95 | 135,225 |
| "Land" Countries | 0 | - | 4.98 | 291,190 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,385 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,296 |
