| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,151 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,384 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,401 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,662 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,000 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,389,213 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.87 | 135,166 |
| Members of the Arab League | 0 | - | 4.85 | 64,625 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,938 |
| Himalayan Countries | 0 | - | 4.95 | 106,888 |
| Andean Countries | 0 | - | 4.91 | 59,439 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,512 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,279 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,645 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,546 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,844 |
| Danube Countries | 0 | - | 4.96 | 56,995 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,012 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,114 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,057 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,949 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,236 |
| European Landlocked Countries | 0 | - | 4.99 | 136,490 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,363 |
| Countries with the Most Species | 0 | - | 4.99 | 89,703 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,864 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,884 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,179 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,707 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,664 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,937 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,554 |
| Countries in the Alps | 0 | - | 4.84 | 103,325 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,939 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,404 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,968 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,023 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,490 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,996 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,155 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,499 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,533 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,092 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,846 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,816 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,866 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,200 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,359 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,928 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,429 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,683 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,750 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,536 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,172 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,586 |
| Largest Countries By Category | 0 | - | 4.97 | 145,761 |
| Countries by Countries | 0 | - | 4.96 | 55,156 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,126,262 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,427 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,982 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,928 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,979 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,194,983 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,089 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,312 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,642 |
| Northernmost Countries | 0 | - | 4.99 | 329,390 |
| Countries of South America | 0 | - | 5.00 | 802,649 |
| Countries of Oceania | 0 | - | 5.00 | 904,615 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,593,683 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,668 |
| Countries with Megacities | 0 | - | 4.99 | 199,888 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,467 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,026 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,046 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,001 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,674 |
| Countries by Official Language | 0 | - | 4.96 | 174,212 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,331 |
| Countries in their Native Language | 0 | - | 4.98 | 179,432 |
| Independence from Whom | 0 | - | 4.99 | 187,614 |
| Subdivisions by Country | 0 | - | 4.82 | 46,702 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,639 |
| Megadiverse Countries | 0 | - | 4.96 | 126,185 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,537 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,641 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,523 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,845 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,697 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,680 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,491 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,958 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,598 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,156 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,036 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,481 |
| World Map Quiz | 0 | - | 4.91 | 50,486 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,179 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,181 |
| Countries by Founding Story | 0 | - | 4.93 | 55,455 |
| Countries by Road Signs | 0 | - | 4.98 | 45,824 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,576 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,934 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,180 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,827 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,080 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,459 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,528 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,589 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,071 |
| Widest Countries East to West | 0 | - | 4.93 | 120,030 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,998 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,843 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,004 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,167 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,047 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,768 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,639 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,256 |
| Countries with Double Letters | 0 | - | 4.96 | 70,033 |
| Countries that End in N | 0 | - | 4.94 | 134,245 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,606 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 188,979 |
| Countries with W | 0 | - | 4.96 | 124,200 |
| Countries with Z | 0 | - | 4.98 | 246,277 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,441 |
| Countries That End in U | 0 | - | 4.95 | 108,336 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,850 |
| Countries that End in O | 0 | - | 4.92 | 147,558 |
| Countries that End in R | 0 | - | 4.84 | 96,852 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,670 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,753 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,949 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,140 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,073 |
| Countries That End in Y | 0 | - | 4.90 | 162,016 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,101 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,577 |
| Countries that End in I | 0 | - | 4.92 | 114,866 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,642 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,972 |
| Countries That End in NIA | 0 | - | 4.93 | 101,389 |
| Countries That End in BIA | 0 | - | 4.91 | 126,765 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,306 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,415 |
| Countries That End in RIA | 0 | - | 4.90 | 101,496 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,139 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,018 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,770 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,806 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,431 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,241 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,481 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,302 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,326 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,666 |
| Countries that End in L | 0 | - | 4.95 | 135,272 |
| "Land" Countries | 0 | - | 4.98 | 291,301 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,459 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,305 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,867 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,678 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,174 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,833 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 168,911 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,228 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,068 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,269 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,666 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,284 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,814 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,857 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,978 |
| Islands by Shape #2 | 0 | - | 4.86 | 45,169 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,681 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,512 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,093,512 |
| One Border Countries | 0 | - | 4.98 | 412,837 |
| Every Country in its Official/Native Language | 0 | - | 4.96 | 17,810 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,407 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,433,362 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,819 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,882 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,861 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,884 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,417 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,970 |
| Countries by National Anthem | 0 | - | 4.95 | 62,035 |
| NATO Countries Quiz | 0 | - | 4.98 | 227,637 |
| EU Countries Quiz | 0 | - | 4.99 | 229,860 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,499 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,162 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,792 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 227,698 |
| Countries with Nuclear Weapons | 0 | - | 4.88 | 226,901 |
| German-Speaking Countries | 0 | - | 4.88 | 117,968 |
| Countries with Wild Tigers | 0 | - | 4.95 | 111,934 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,908 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,731 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,177 |
