| Countries with the Most Christians | 0 | - | 4.93 | 122,927 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,600 |
| Orthodox Countries | 0 | - | 4.91 | 118,512 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,429 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 35,068 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,399,829 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,272 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,994 |
| Catholic Countries Quiz | 0 | - | 4.77 | 190,744 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,140 |
| Majority Muslim Countries | 0 | - | 4.97 | 315,293 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,127,521 |
| Buddhist Countries | 0 | - | 4.96 | 131,602 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,195,843 |
| Members of the Arab League | 0 | - | 4.85 | 64,685 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,976 |
| Himalayan Countries | 0 | - | 4.95 | 106,925 |
| Andean Countries | 0 | - | 4.91 | 59,468 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,545 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,296 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,661 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,562 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,855 |
| Danube Countries | 0 | - | 4.96 | 57,004 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,017 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,118 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,080 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,966 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,246 |
| European Landlocked Countries | 0 | - | 4.99 | 136,538 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,378 |
| Countries with the Most Species | 0 | - | 4.99 | 89,709 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,870 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,887 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,182 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,718 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,668 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,942 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,559 |
| Countries in the Alps | 0 | - | 4.84 | 103,343 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,952 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,431 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,034 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,504 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,999 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,165 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,502 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,541 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,099 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,855 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,820 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,873 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,213 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,369 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,934 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,464 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,687 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,762 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,620 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,203 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,591 |
| Largest Countries By Category | 0 | - | 4.97 | 145,783 |
| Countries by Countries | 0 | - | 4.96 | 55,174 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,448 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,989 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,992 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,130 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,400 |
| Island Countries Quiz | 0 | - | 4.99 | 665,084 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,837 |
| Northernmost Countries | 0 | - | 4.99 | 329,438 |
| Countries of South America | 0 | - | 5.00 | 802,836 |
| Countries of Oceania | 0 | - | 5.00 | 904,820 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,594,128 |
| Battle to Country | 0 | - | 4.92 | 36,236 |
| Monarchies of Europe | 0 | - | 4.88 | 87,657 |
| Monarchies of Asia | 0 | - | 4.95 | 54,473 |
| Countries with the Most Muslims | 0 | - | 4.93 | 132,832 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,628 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,700 |
| Countries with Megacities | 0 | - | 4.99 | 199,947 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,501 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,042 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,087 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,021 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,727 |
| Countries by Official Language | 0 | - | 4.96 | 174,248 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,373 |
| Countries in their Native Language | 0 | - | 4.98 | 179,458 |
| Independence from Whom | 0 | - | 4.99 | 187,652 |
| Subdivisions by Country | 0 | - | 4.82 | 46,706 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,666 |
| Megadiverse Countries | 0 | - | 4.96 | 126,194 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,562 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,166 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,646 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,396 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,534 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,866 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,703 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,412 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,684 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,500 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,971 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,609 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,161 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,045 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,677 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 180,604 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,600 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 102,695 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,230 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 84,526 |
| World Map Quiz | 0 | - | 4.91 | 50,515 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,235 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,194 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,610 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,957 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,203 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,882 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,099 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,480 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,551 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,608 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,086 |
| Widest Countries East to West | 0 | - | 4.93 | 120,048 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,006 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,863 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,015 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,178 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,065 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,779 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,642 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,259 |
| Countries with Double Letters | 0 | - | 4.96 | 70,081 |
| Countries that End in N | 0 | - | 4.94 | 134,291 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,660 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,019 |
| Countries with W | 0 | - | 4.96 | 124,228 |
| Countries with Z | 0 | - | 4.98 | 246,328 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,469 |
| Countries That End in U | 0 | - | 4.95 | 108,370 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,888 |
| Countries that End in O | 0 | - | 4.92 | 147,817 |
| Countries that End in R | 0 | - | 4.84 | 96,879 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,683 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,791 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,968 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,159 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,095 |
| Countries That End in Y | 0 | - | 4.90 | 162,029 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,118 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,746 |
| Countries that End in I | 0 | - | 4.92 | 114,877 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,658 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,981 |
| Countries That End in NIA | 0 | - | 4.93 | 101,396 |
| Countries That End in BIA | 0 | - | 4.91 | 126,781 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,329 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,427 |
| Countries That End in RIA | 0 | - | 4.90 | 101,510 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,150 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,045 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,782 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,836 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,453 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,251 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,505 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,309 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,346 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,685 |
| Countries that End in L | 0 | - | 4.95 | 135,283 |
| "Land" Countries | 0 | - | 4.98 | 291,327 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,488 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,311 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,877 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,696 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,183 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,862 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 168,950 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,237 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,086 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,297 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,685 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,292 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,111 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,394 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,835 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,962 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,868 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,987 |
| Biblical Geography | 0 | - | 4.37 | 64,297 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,893 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,550 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,094,178 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,434,806 |
| One Border Countries | 0 | - | 4.98 | 412,882 |
| African Countries with the Most Muslims | 0 | - | 4.76 | 81,493 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,412 |
