| Countries with the Most Christians | 0 | - | 4.92 | 130,955 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 79,409 |
| Countries with the Most Catholics | 0 | - | 4.89 | 100,219 |
| Orthodox Countries | 0 | - | 4.91 | 123,472 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 104,290 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 37,047 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,659,901 |
| Majority Muslim Countries | 0 | - | 4.98 | 327,067 |
| Top Five Countries by Religion | 0 | - | 4.91 | 155,141 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,242 |
| Catholic Countries Quiz | 0 | - | 4.80 | 204,969 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,056 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,336,296 |
| Buddhist Countries | 0 | - | 4.96 | 136,148 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,409,807 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,559 |
| Himalayan Countries | 0 | - | 4.95 | 118,650 |
| Andean Countries | 0 | - | 4.92 | 66,469 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,559 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,120 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,406 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,183 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,875 |
| Danube Countries | 0 | - | 4.97 | 59,860 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,573 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,923 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,322 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,716 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,457 |
| European Landlocked Countries | 0 | - | 4.99 | 139,813 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,368 |
| Countries with the Most Species | 0 | - | 4.99 | 91,710 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,848 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,298 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,421 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,755 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,901 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,336 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,777 |
| Countries in the Alps | 0 | - | 4.86 | 108,669 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,715 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,884 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,647 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,560 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,503 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,114 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,989 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,059 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,382 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,979 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,138 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,720 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,588 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,366 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,080 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,042 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,139 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,091 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,041 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,695 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,440 |
| Largest Countries By Category | 0 | - | 4.97 | 150,027 |
| Countries by Countries | 0 | - | 4.96 | 57,754 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,218 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,335 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,860 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 356,843 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,786 |
| Island Countries Quiz | 0 | - | 4.99 | 685,641 |
| Biggest Countries by Area | 0 | - | 5.00 | 979,729 |
| Northernmost Countries | 0 | - | 4.99 | 339,953 |
| Countries of South America | 0 | - | 5.00 | 849,022 |
| Countries of Oceania | 0 | - | 5.00 | 959,819 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,699,183 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,226,751 |
| Battle to Country | 0 | - | 4.91 | 48,030 |
| Monarchies of Europe | 0 | - | 4.89 | 92,195 |
| Monarchies of Asia | 0 | - | 4.96 | 67,577 |
| Countries with the Most Muslims | 0 | - | 4.94 | 152,149 |
| Catholic Countries in Europe | 0 | - | 4.83 | 88,803 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,380 |
| Countries with Megacities | 0 | - | 4.99 | 214,084 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,224 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,886 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,408 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,616 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,191 |
| Countries by Official Language | 0 | - | 4.95 | 182,104 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,120 |
| Countries in their Native Language | 0 | - | 4.98 | 187,036 |
| Independence from Whom | 0 | - | 4.99 | 197,453 |
| Subdivisions by Country | 0 | - | 4.86 | 48,163 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 121,903 |
| Megadiverse Countries | 0 | - | 4.96 | 129,830 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 119,598 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,163 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,084 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,993 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,825 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,910 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,327 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,584 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,099 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,720 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,144 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,307 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,670 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 71,561 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,950 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 188,388 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 114,783 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 107,637 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,089 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 95,616 |
| World Map Quiz | 0 | - | 4.88 | 56,264 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,199 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,788 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,596 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,465 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,951 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,801 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,794 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,493 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,203 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,660 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,789 |
| Widest Countries East to West | 0 | - | 4.92 | 123,699 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,935 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,279 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,039 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,541 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,066 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,526 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,758 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,303 |
| Countries with Double Letters | 0 | - | 4.96 | 79,934 |
| Countries that End in N | 0 | - | 4.93 | 144,167 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,001 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,371 |
| Countries with W | 0 | - | 4.97 | 131,850 |
| Countries with Z | 0 | - | 4.98 | 273,493 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,155 |
| Countries That End in U | 0 | - | 4.95 | 113,215 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,646 |
| Countries that End in O | 0 | - | 4.92 | 152,918 |
| Countries that End in R | 0 | - | 4.84 | 99,385 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,052 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,244 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,235 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,008 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,527 |
| Countries That End in Y | 0 | - | 4.91 | 181,164 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,685 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,477 |
| Countries that End in I | 0 | - | 4.92 | 116,975 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,133 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,483 |
| Countries That End in NIA | 0 | - | 4.92 | 104,495 |
| Countries That End in BIA | 0 | - | 4.92 | 141,542 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,035 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,932 |
| Countries That End in RIA | 0 | - | 4.89 | 104,849 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,010 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 212,935 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,025 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,702 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,698 |
| Add A Letter - Make a Country | 0 | - | 4.80 | 70,677 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,806 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,880 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,015 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,701 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,612 |
| Countries that End in L | 0 | - | 4.94 | 150,967 |
| "Land" Countries | 0 | - | 4.98 | 298,364 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 195,731 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,718 |
| City to Country Quiz #1 | 0 | - | 4.95 | 138,149 |
| City to Country Quiz #3 | 0 | - | 4.87 | 103,057 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 74,791 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 217,664 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 191,231 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 121,432 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 139,432 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 214,257 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 146,128 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,400 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 186,569 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,659 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 105,378 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 119,578 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,563 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,269 |
| Biblical Geography | 0 | - | 4.37 | 65,406 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,369,545 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,018 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,594,744 |
| One Border Countries | 0 | - | 4.98 | 436,362 |
| African Countries with the Most Muslims | 0 | - | 4.79 | 96,386 |
