| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 86,842 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,804,627 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 321,997 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,180,680 |
| Countries by Emojis | 0 | - | 4.99 | 204,631 |
| Countries With One Word And Two O's | 0 | - | 4.89 | 33,938 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,057,127 |
| Members of the Arab League | 0 | - | 4.85 | 61,103 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,355 |
| Himalayan Countries | 0 | - | 4.94 | 104,234 |
| Andean Countries | 0 | - | 4.91 | 57,738 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,685 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,079 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,447 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,890 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,144 |
| Danube Countries | 0 | - | 4.97 | 56,553 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,584 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,767 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,936 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,168 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,929 |
| European Landlocked Countries | 0 | - | 4.99 | 115,024 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,169 |
| Countries with the Most Species | 0 | - | 4.99 | 89,185 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,212 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,614 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,950 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,126 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,325 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,626 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,019 |
| Countries in the Alps | 0 | - | 4.83 | 102,415 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,127 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,719 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,442 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,104 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,787 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,398 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,457 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,040 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,235 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,521 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,260 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,497 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,594 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,327 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,821 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,319 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,596 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,237 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,269 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,335 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,185 |
| Largest Countries By Category | 0 | - | 4.96 | 144,587 |
| Countries by Countries | 0 | - | 4.95 | 54,485 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,036 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,600 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,624 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,941 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,192 |
| Last Names by Country of Origin | 0 | - | 4.47 | 129,596 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,456 |
| Island Countries Quiz | 0 | - | 4.99 | 659,248 |
| Biggest Countries by Area | 0 | - | 5.00 | 930,909 |
| Northernmost Countries | 0 | - | 4.99 | 326,645 |
| Countries of South America | 0 | - | 5.00 | 790,625 |
| Countries of Oceania | 0 | - | 5.00 | 890,339 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,139,851 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,566,577 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,698 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,356 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,635 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,794 |
| Biggest Countries with No McDonald's | 0 | - | 4.86 | 76,908 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,156 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,412 |
| Countries with Megacities | 0 | - | 4.99 | 196,538 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,969 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,605 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,892 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 63,565 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,190 |
| Countries by Official Language | 0 | - | 4.95 | 154,638 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,348 |
| Countries in their Native Language | 0 | - | 4.98 | 177,760 |
| Independence from Whom | 0 | - | 4.99 | 185,080 |
| Subdivisions by Country | 0 | - | 4.82 | 46,374 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,140 |
| Megadiverse Countries | 0 | - | 4.96 | 125,162 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,802 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,528 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,306 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,870 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,034 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,605 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,923 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,277 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,584 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,486 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,880 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,903 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,421 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,144 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 81,676 |
| World Map Quiz | 0 | - | 4.90 | 49,059 |
| Countries that Produce the Most Beer | 0 | - | 4.89 | 115,189 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 112,702 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,295 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,353 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,704 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,768 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,070 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,162 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,410 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,084 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,756 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,275 |
| Widest Countries East to West | 0 | - | 4.93 | 119,192 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,780 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,809 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,566 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,254 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,656 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,005 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,403 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,005 |
| Countries with Double Letters | 0 | - | 4.96 | 67,946 |
| Countries that End in N | 0 | - | 4.93 | 132,323 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,276 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,683 |
| Countries with W | 0 | - | 4.97 | 122,458 |
| Countries with Z | 0 | - | 4.98 | 243,986 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,312 |
| Countries That End in U | 0 | - | 4.94 | 107,393 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,125 |
| Countries that End in O | 0 | - | 4.92 | 146,793 |
| Countries that End in R | 0 | - | 4.86 | 96,357 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,144 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,957 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,511 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,061 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,078 |
| Countries That End in Y | 0 | - | 4.90 | 161,554 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,440 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,546 |
| Countries that End in I | 0 | - | 4.92 | 114,417 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,266 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,143 |
| Countries That End in NIA | 0 | - | 4.93 | 100,710 |
| Countries That End in BIA | 0 | - | 4.91 | 125,903 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,036 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,574 |
| Countries That End in RIA | 0 | - | 4.90 | 100,829 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,280 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,245 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,451 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,322 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,131 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,070 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,532 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,706 |
| Countries with the Word "And" | 0 | - | 4.98 | 83,229 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,499 |
| Countries that End in L | 0 | - | 4.95 | 134,122 |
| "Land" Countries | 0 | - | 4.98 | 288,883 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,565 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,160 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,154 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,079 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,471 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,477 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 165,543 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,278 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,479 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,087 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,666 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,788 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,974 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,199 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,926 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 187,970 |
| Name a Valid Asian Country | 0 | - | 4.98 | 92,173 |
| Name a Valid African Country | 0 | - | 4.98 | 123,576 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,026 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,830 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,056,518 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,385,095 |
| One Border Countries | 0 | - | 4.98 | 409,022 |
| Countries With One Word and Three A's | 0 | - | 4.85 | 30,644 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,937 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,658 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,803 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,825 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,440 |
| Random Capital to Country | 0 | - | 4.99 | 2,356,106 |
| Random Country to Capital | 0 | - | 4.98 | 800,557 |
| Countries by National Anthem | 0 | - | 4.95 | 61,792 |
