| Countries with the Longest Coastlines | 0 | - | 4.81 | 392,062 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,760 |
| Countries With No Rivers | 0 | - | 4.96 | 69,805 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,203 |
| Countries with Fjords | 0 | - | 4.92 | 79,056 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 68,759 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,531 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 112,521 |
| North Sea Countries | 0 | - | 4.92 | 80,733 |
| Black Sea Countries | 0 | - | 4.87 | 57,563 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 61,596 |
| Caspian Sea Countries | 0 | - | 4.92 | 59,185 |
| Countries with the Shortest Coastlines | 0 | - | 4.81 | 54,716 |
| Megadiverse Countries | 0 | - | 4.96 | 126,260 |
| African Great Lakes | 0 | - | 4.85 | 54,411 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,037 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,017 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,365 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,236 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,138 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,466,806 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 35,024 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,983 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,689 |
| Countries with the Most Sheep | 0 | - | 4.88 | 82,924 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,896 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,135,947 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,201,984 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,096 |
| Five Countries by a Single Word by Continent | 0 | - | 4.90 | 66,935 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,651 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,527 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,460 |
| Biggest City by River | 0 | - | 4.42 | 51,074 |
| Cities on a Map of the Great Lakes | 0 | - | 4.42 | 41,383 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,445 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,989 |
| Members of the Arab League | 0 | - | 4.85 | 64,970 |
| Island Countries Quiz | 0 | - | 4.99 | 665,753 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,211 |
| Himalayan Countries | 0 | - | 4.94 | 107,173 |
| Andean Countries | 0 | - | 4.91 | 59,624 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,695 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,406 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,787 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,617 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,929 |
| Danube Countries | 0 | - | 4.96 | 57,044 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,058 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,147 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,204 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,057 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,346 |
| European Landlocked Countries | 0 | - | 4.99 | 136,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,465 |
| Countries with the Most Species | 0 | - | 4.99 | 89,749 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,960 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,908 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,209 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,785 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,719 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,980 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,632 |
| Countries in the Alps | 0 | - | 4.84 | 103,441 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,055 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,622 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,036 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,103 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,596 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,075 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,227 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,559 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,570 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,157 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,915 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,867 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,904 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,277 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,427 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,008 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,677 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,737 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,819 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,114 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,424 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,649 |
| Largest Countries By Category | 0 | - | 4.97 | 145,926 |
| Countries by Countries | 0 | - | 4.96 | 55,263 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,103 |
| Biggest Countries by Area | 0 | - | 5.00 | 942,072 |
| Northernmost Countries | 0 | - | 4.99 | 329,808 |
| Landforms by Country Quiz | 0 | - | 4.54 | 51,291 |
| Countries of South America | 0 | - | 5.00 | 804,064 |
| Countries of Oceania | 0 | - | 5.00 | 906,277 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,597,285 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.76 | 33,988 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,422 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,102 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,961 |
| Countries with Megacities | 0 | - | 4.99 | 200,291 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,820 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,200 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,325 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,191 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,174 |
| Capitals by River | 0 | - | 4.64 | 47,242 |
| Countries by Official Language | 0 | - | 4.96 | 174,435 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,691 |
| Countries in their Native Language | 0 | - | 4.98 | 179,587 |
| Independence from Whom | 0 | - | 4.99 | 187,922 |
| Subdivisions by Country | 0 | - | 4.82 | 46,744 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,835 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,740 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,247 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,676 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,544 |
| South China Sea Countries | 0 | - | 4.81 | 54,150 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,519 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,601 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,012 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,769 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,462 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,713 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 44,617 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,022 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,671 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,199 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,098,372 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,290 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,849 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,091 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,326 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,189 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,294 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,591 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,674 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,709 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,179 |
| Widest Countries East to West | 0 | - | 4.93 | 120,146 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,028 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,985 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,488 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,066 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,260 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,188 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,859 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,678 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,287 |
| Countries with Double Letters | 0 | - | 4.96 | 70,575 |
| Countries that End in N | 0 | - | 4.94 | 134,804 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,146 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,394 |
| Countries with W | 0 | - | 4.96 | 124,715 |
| Countries with Z | 0 | - | 4.98 | 260,118 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,759 |
| Countries That End in U | 0 | - | 4.95 | 108,689 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,365 |
| Countries that End in O | 0 | - | 4.92 | 148,144 |
| Countries that End in R | 0 | - | 4.84 | 97,023 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,788 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,039 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,119 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,268 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,211 |
| Countries That End in Y | 0 | - | 4.90 | 162,106 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,282 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,902 |
| Countries that End in I | 0 | - | 4.92 | 114,958 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,809 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,067 |
| Countries That End in NIA | 0 | - | 4.93 | 101,482 |
| Countries That End in BIA | 0 | - | 4.91 | 126,898 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,549 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,534 |
| Countries That End in RIA | 0 | - | 4.90 | 101,585 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,263 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,333 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,948 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,018 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,613 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,380 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,838 |
| Countries that End in L | 0 | - | 4.95 | 135,391 |
| "Land" Countries | 0 | - | 4.98 | 291,524 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,652 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,327 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,950 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,743 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,251 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 210,092 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 169,254 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,328 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,219 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,493 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,799 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,354 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,941 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,940 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,061 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,443,025 |
