| Countries with the Most Christians | 0 | - | 4.92 | 135,737 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 82,791 |
| Catholic Countries Quiz | 0 | - | 4.81 | 208,908 |
| Countries with the Most Catholics | 0 | - | 4.89 | 103,501 |
| Orthodox Countries | 0 | - | 4.92 | 126,769 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 106,954 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 38,272 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,016,423 |
| Majority Muslim Countries | 0 | - | 4.98 | 353,769 |
| Top Five Countries by Religion | 0 | - | 4.91 | 160,784 |
| African Countries with the Most Christians | 0 | - | 4.93 | 72,800 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 391,823 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,460,103 |
| Buddhist Countries | 0 | - | 4.96 | 138,879 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,538,435 |
| Sahara Desert Countries | 0 | - | 4.98 | 150,217 |
| Himalayan Countries | 0 | - | 4.94 | 126,279 |
| Andean Countries | 0 | - | 4.93 | 71,097 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,510 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 116,246 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,846 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,931 |
| Danube Countries | 0 | - | 4.97 | 61,940 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,375 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,943 |
| Countries with the Worst Passports | 0 | - | 4.92 | 76,030 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,516 |
| European Landlocked Countries | 0 | - | 4.99 | 142,660 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,268 |
| Countries with the Most Species | 0 | - | 4.99 | 93,313 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,182 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,255 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,182 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,700 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,656 |
| Countries in the Alps | 0 | - | 4.86 | 112,329 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,825 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,892 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,203 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 91,907 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,193 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,817 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,382 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,674 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,630 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,708 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,851 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,653 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,008 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,673 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,511 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,393 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,627 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,527 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,936 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 227,187 |
| World Countries - Blind Typing | 0 | - | 5.00 | 98,211 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,868 |
| Largest Countries By Category | 0 | - | 4.97 | 152,797 |
| Countries by Countries | 0 | - | 4.96 | 59,471 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,536 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,025 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,046 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 363,478 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 387,516 |
| Island Countries Quiz | 0 | - | 4.99 | 696,201 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,008,135 |
| Northernmost Countries | 0 | - | 4.99 | 345,497 |
| Countries of South America | 0 | - | 5.00 | 877,004 |
| Countries of Oceania | 0 | - | 5.00 | 993,304 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,761,645 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,291,122 |
| Battle to Country | 0 | - | 4.91 | 49,796 |
| Monarchies of Europe | 0 | - | 4.89 | 94,305 |
| Monarchies of Asia | 0 | - | 4.97 | 68,924 |
| Asian Country Superlatives | 0 | - | 4.83 | 78,573 |
| Countries with the Most Muslims | 0 | - | 4.94 | 155,327 |
| Catholic Countries in Europe | 0 | - | 4.83 | 91,100 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 163,261 |
| Countries with Megacities | 0 | - | 4.99 | 222,965 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,973 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,914 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,264 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,348 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 303,923 |
| Countries by Official Language | 0 | - | 4.95 | 186,407 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 285,133 |
| Countries in their Native Language | 0 | - | 4.98 | 190,708 |
| Independence from Whom | 0 | - | 4.99 | 202,941 |
| Subdivisions by Country | 0 | - | 4.86 | 49,021 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,968 |
| Megadiverse Countries | 0 | - | 4.97 | 131,397 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,325 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,465 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,796 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,595 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,611 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,098 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,355 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,933 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,260 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,131 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,674 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 70,002 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,399 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,590 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,071 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,832 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,289 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 192,274 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 117,177 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 110,249 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 88,404 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 101,106 |
| World Map Quiz | 0 | - | 4.87 | 59,346 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 140,020 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,925 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,652 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 100,375 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,980 |
| Countries With the Most Languages | 0 | - | 4.89 | 192,318 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 98,247 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,761 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 94,964 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 116,750 |
| Widest Countries East to West | 0 | - | 4.92 | 125,897 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,485 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,770 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,053 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,281 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,436 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,264 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,327 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,874 |
| Countries with Double Letters | 0 | - | 4.97 | 86,455 |
| Countries that End in N | 0 | - | 4.94 | 149,899 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 250,462 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 204,004 |
| Countries with W | 0 | - | 4.97 | 152,946 |
| Countries with Z | 0 | - | 4.98 | 280,026 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,482 |
| Countries That End in U | 0 | - | 4.95 | 116,424 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 103,535 |
| Countries that End in O | 0 | - | 4.92 | 155,962 |
| Countries that End in R | 0 | - | 4.83 | 100,975 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,867 |
| Countries Ending in "IA" | 0 | - | 4.99 | 201,092 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 165,640 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,762 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,682 |
| Countries That End in Y | 0 | - | 4.91 | 183,027 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,956 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 148,141 |
| Countries that End in I | 0 | - | 4.92 | 118,232 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 177,624 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,220 |
| Countries That End in NIA | 0 | - | 4.92 | 106,910 |
| Countries That End in BIA | 0 | - | 4.92 | 144,954 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,631 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,959 |
| Countries That End in RIA | 0 | - | 4.92 | 123,600 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,252 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 218,497 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 128,906 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,890 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,777 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,128 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,758 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 99,774 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,395 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 47,138 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 49,417 |
| Countries that End in L | 0 | - | 4.94 | 153,178 |
| "Land" Countries | 0 | - | 4.98 | 301,538 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 199,272 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,317 |
| City to Country Quiz #1 | 0 | - | 4.96 | 151,547 |
| City to Country Quiz #3 | 0 | - | 4.87 | 105,603 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,319 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 222,342 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 194,590 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,406 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,526 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 218,332 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 148,706 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,406 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 188,889 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 123,071 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,429 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,835 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,273 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,399 |
| Biblical Geography | 0 | - | 4.38 | 66,017 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,395,324 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,723 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,673,088 |
| One Border Countries | 0 | - | 4.98 | 448,854 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 98,123 |
