| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,146 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,379 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,401 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,660 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,989 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,387,422 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.87 | 135,164 |
| Members of the Arab League | 0 | - | 4.85 | 64,615 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,933 |
| Himalayan Countries | 0 | - | 4.95 | 106,882 |
| Andean Countries | 0 | - | 4.91 | 59,437 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,506 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,272 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,639 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,543 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,842 |
| Danube Countries | 0 | - | 4.96 | 56,992 |
| 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 | 72,055 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,947 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,235 |
| European Landlocked Countries | 0 | - | 4.99 | 136,487 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,360 |
| Countries with the Most Species | 0 | - | 4.99 | 89,703 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,861 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,883 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,178 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,706 |
| 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 | 49,553 |
| Countries in the Alps | 0 | - | 4.84 | 103,322 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,937 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,401 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,966 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,023 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,489 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,995 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,153 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,497 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,531 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,090 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,845 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,815 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,866 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,198 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,358 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,926 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,424 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,679 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,748 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,523 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,165 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,584 |
| Largest Countries By Category | 0 | - | 4.97 | 145,754 |
| Countries by Countries | 0 | - | 4.96 | 55,153 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,125,970 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,424 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,981 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,926 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,974 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,194,798 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,084 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,299 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,613 |
| Northernmost Countries | 0 | - | 4.99 | 329,379 |
| Countries of South America | 0 | - | 5.00 | 802,620 |
| Countries of Oceania | 0 | - | 5.00 | 904,570 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,593,599 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,659 |
| Countries with Megacities | 0 | - | 4.99 | 199,874 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,461 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,024 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,041 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,997 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,669 |
| Countries by Official Language | 0 | - | 4.96 | 174,209 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,324 |
| Countries in their Native Language | 0 | - | 4.98 | 179,425 |
| Independence from Whom | 0 | - | 4.99 | 187,611 |
| Subdivisions by Country | 0 | - | 4.82 | 46,701 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,637 |
| Megadiverse Countries | 0 | - | 4.96 | 126,183 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,533 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,639 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,521 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,841 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,696 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,679 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,490 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,957 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,595 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,154 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,034 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,476 |
| World Map Quiz | 0 | - | 4.91 | 50,485 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,174 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,179 |
| Countries by Founding Story | 0 | - | 4.93 | 55,455 |
| Countries by Road Signs | 0 | - | 4.98 | 45,822 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,566 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,926 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,174 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,822 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,078 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,456 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,524 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,586 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,069 |
| Widest Countries East to West | 0 | - | 4.93 | 120,026 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,998 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,840 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,003 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,165 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,042 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,767 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,638 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,255 |
| Countries with Double Letters | 0 | - | 4.96 | 70,024 |
| Countries that End in N | 0 | - | 4.94 | 134,240 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,601 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 188,968 |
| Countries with W | 0 | - | 4.96 | 124,197 |
| Countries with Z | 0 | - | 4.98 | 246,274 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,438 |
| Countries That End in U | 0 | - | 4.95 | 108,334 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,842 |
| Countries that End in O | 0 | - | 4.92 | 147,557 |
| Countries that End in R | 0 | - | 4.84 | 96,851 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,670 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,747 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,943 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,137 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,072 |
| Countries That End in Y | 0 | - | 4.90 | 162,015 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,099 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,574 |
| Countries that End in I | 0 | - | 4.92 | 114,866 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,640 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,967 |
| Countries That End in NIA | 0 | - | 4.93 | 101,389 |
| Countries That End in BIA | 0 | - | 4.91 | 126,761 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,301 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,414 |
| Countries That End in RIA | 0 | - | 4.90 | 101,493 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,138 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,013 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,770 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,804 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,425 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,237 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,481 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,301 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,324 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,664 |
| Countries that End in L | 0 | - | 4.95 | 135,268 |
| "Land" Countries | 0 | - | 4.98 | 291,296 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,458 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,305 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,864 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,675 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,174 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,826 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 168,900 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,225 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,065 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,267 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,664 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,283 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,809 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,856 |
| 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 | 1,320,630 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,503 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,093,433 |
| One Border Countries | 0 | - | 4.98 | 412,831 |
| Every Country in its Official/Native Language | 0 | - | 4.96 | 17,809 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,404 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,433,065 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,811 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,879 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,857 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,884 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,412 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,967 |
| Countries by National Anthem | 0 | - | 4.95 | 62,034 |
| NATO Countries Quiz | 0 | - | 4.98 | 227,617 |
| EU Countries Quiz | 0 | - | 4.99 | 229,841 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,495 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,162 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,788 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 227,688 |
| Countries with Nuclear Weapons | 0 | - | 4.88 | 226,029 |
| German-Speaking Countries | 0 | - | 4.88 | 117,966 |
| Countries with Wild Tigers | 0 | - | 4.95 | 111,933 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,904 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,728 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,165 |
