| Countries with the Most Catholics | 0 | - | 4.91 | 94,916 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,386 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,099 |
| Orthodox Countries | 0 | - | 4.91 | 118,914 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,709 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,851 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 35,240 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,130 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,696 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,493,914 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,170 |
| Majority Muslim Countries | 0 | - | 4.97 | 316,136 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,139,679 |
| Buddhist Countries | 0 | - | 4.97 | 131,778 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,204,540 |
| Members of the Arab League | 0 | - | 4.85 | 65,078 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,294 |
| Himalayan Countries | 0 | - | 4.94 | 107,274 |
| Andean Countries | 0 | - | 4.91 | 59,671 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,748 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,439 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,818 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,632 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,952 |
| Danube Countries | 0 | - | 4.96 | 57,056 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,078 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,163 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,250 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,084 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,374 |
| European Landlocked Countries | 0 | - | 4.99 | 136,742 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,492 |
| Countries with the Most Species | 0 | - | 4.99 | 89,759 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,985 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,915 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,218 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,806 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,732 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,995 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,655 |
| Countries in the Alps | 0 | - | 4.84 | 103,483 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,095 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,706 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,061 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,128 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,632 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,093 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,254 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,577 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,581 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,178 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,933 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,885 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,912 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,306 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,451 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,026 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,760 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,760 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,838 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,361 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,524 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,663 |
| Largest Countries By Category | 0 | - | 4.97 | 145,984 |
| Countries by Countries | 0 | - | 4.96 | 55,302 |
| Battle to Country | 0 | - | 4.92 | 36,394 |
| Monarchies of Europe | 0 | - | 4.88 | 87,787 |
| Monarchies of Asia | 0 | - | 4.95 | 54,544 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,056 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,157 |
| Countries with the Most Muslims | 0 | - | 4.93 | 133,031 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,555 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,213 |
| Island Countries Quiz | 0 | - | 4.99 | 666,043 |
| Biggest Countries by Area | 0 | - | 5.00 | 942,638 |
| Northernmost Countries | 0 | - | 4.99 | 329,946 |
| Countries of South America | 0 | - | 5.00 | 804,657 |
| Countries of Oceania | 0 | - | 5.00 | 906,899 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,598,621 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 180,931 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,766 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,117 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,453 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,272 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,550 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,042 |
| Biblical Geography | 0 | - | 4.37 | 64,338 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,974 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,200 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,051 |
| Countries with Megacities | 0 | - | 4.99 | 200,433 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,921 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,253 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,250 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,332 |
| Countries by Official Language | 0 | - | 4.96 | 174,492 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,813 |
| Countries in their Native Language | 0 | - | 4.98 | 179,647 |
| Independence from Whom | 0 | - | 4.99 | 188,025 |
| Subdivisions by Country | 0 | - | 4.82 | 46,755 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,918 |
| Megadiverse Countries | 0 | - | 4.96 | 126,282 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,799 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,274 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,683 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,572 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,620 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,077 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,796 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,481 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,727 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,660 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,037 |
| African Countries with the Most Muslims | 0 | - | 4.76 | 81,716 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,694 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,208 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,129 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,767 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,100,037 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,944 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,332 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,922 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,137 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,387 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,317 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,366 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,650 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,728 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,743 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,224 |
| Widest Countries East to West | 0 | - | 4.93 | 120,178 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,034 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,035 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,517 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,086 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,296 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,224 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,889 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,686 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,296 |
| Countries with Double Letters | 0 | - | 4.96 | 70,914 |
| Countries that End in N | 0 | - | 4.93 | 135,149 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,495 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,649 |
| Countries with W | 0 | - | 4.96 | 124,965 |
| Countries with Z | 0 | - | 4.98 | 262,259 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,920 |
| Countries That End in U | 0 | - | 4.95 | 108,931 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,630 |
| Countries that End in O | 0 | - | 4.92 | 148,281 |
| Countries that End in R | 0 | - | 4.85 | 97,104 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,837 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,213 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,197 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,314 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,263 |
| Countries That End in Y | 0 | - | 4.90 | 162,159 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,352 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 121,958 |
| Countries that End in I | 0 | - | 4.92 | 115,005 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,995 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,108 |
| Countries That End in NIA | 0 | - | 4.93 | 101,514 |
| Countries That End in BIA | 0 | - | 4.91 | 126,940 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,610 |
| Countries Whose Names Start with Saint | 0 | - | 4.89 | 110,578 |
| Countries That End in RIA | 0 | - | 4.90 | 101,612 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,293 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,453 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,026 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,094 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,678 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,454 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,677 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,405 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,905 |
| Countries that End in L | 0 | - | 4.95 | 135,449 |
| "Land" Countries | 0 | - | 4.98 | 291,617 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,742 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 78,761 |
| City to Country Quiz #1 | 0 | - | 4.94 | 135,002 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,779 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,275 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 210,155 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 169,363 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,362 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,269 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,563 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,852 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,366 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,974 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,972 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,093 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,445,499 |
| One Border Countries | 0 | - | 4.98 | 413,650 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,182 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 82,737 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 68,600 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 136,859 |
