| Countries with the Most Christians | 0 | - | 4.93 | 144,410 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,919 |
| Orthodox Countries | 0 | - | 4.92 | 132,642 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,361 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,653 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,141 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,991 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,007 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,996 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,779,206 |
| Landlocked Countries | 0 | - | 4.99 | 424,485 |
| Buddhist Countries | 0 | - | 4.96 | 144,928 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,108 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,616 |
| Himalayan Countries | 0 | - | 4.94 | 139,757 |
| Andean Countries | 0 | - | 4.94 | 85,177 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,363 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,627 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,930 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,220 |
| Danube Countries | 0 | - | 4.97 | 72,272 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,412 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,702 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,847 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,355 |
| European Landlocked Countries | 0 | - | 4.99 | 147,449 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,076 |
| Countries with the Most Species | 0 | - | 4.99 | 103,481 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,222 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,709 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,822 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,739 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,474 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,906 |
| Countries in the Alps | 0 | - | 4.87 | 118,579 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,305 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,591 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,861 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,885 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,808 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,136 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,176 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,750 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,335 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,060 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,789 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,658 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,448 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,680 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,771 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,513 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,518 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,526 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,483 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,192 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,839 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,425 |
| Largest Countries By Category | 0 | - | 4.97 | 158,646 |
| Countries by Countries | 0 | - | 4.96 | 63,508 |
| Battle to Country | 0 | - | 4.91 | 53,822 |
| Monarchies of Europe | 0 | - | 4.90 | 98,707 |
| Monarchies of Asia | 0 | - | 4.97 | 71,423 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,090 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,976 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,212 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,016 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,262 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,302 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,944 |
| Island Countries | 0 | - | 4.99 | 712,062 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,679 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,250 |
| Northernmost Countries | 0 | - | 4.99 | 363,397 |
| Countries of South America | 0 | - | 5.00 | 930,875 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,231 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,349 |
| "Land" Countries | 0 | - | 4.98 | 338,054 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,393 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,151 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,760 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,689 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,687 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,638 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,670 |
| Biblical Geography | 0 | - | 4.40 | 67,313 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,220 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,004 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,804 |
| Countries with Megacities | 0 | - | 4.99 | 266,389 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,505 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,910 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,800 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,025 |
| Countries by Official Language | 0 | - | 4.95 | 195,768 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,305 |
| Countries in their Native Language | 0 | - | 4.99 | 199,554 |
| Independence from Whom | 0 | - | 4.99 | 212,758 |
| Subdivisions by Country | 0 | - | 4.87 | 50,568 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,223 |
| Megadiverse Countries | 0 | - | 4.96 | 135,193 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,761 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,481 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,182 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,440 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,760 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,912 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,504 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,776 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,223 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,205 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,311 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,155 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,375 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,102 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,514 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,633 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,023 |
| World Map Quiz | 0 | - | 4.81 | 65,454 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,615 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,581 |
| Countries by Founding Story | 0 | - | 4.95 | 77,673 |
| Countries by Road Signs | 0 | - | 4.98 | 54,253 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,992 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,944 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,435 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,233 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,289 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,407 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,604 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,619 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,124 |
| Widest Countries East to West | 0 | - | 4.92 | 130,315 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,558 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,105 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,471 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,981 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,862 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,361 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,467 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,864 |
| Countries with Double Letters | 0 | - | 4.96 | 96,808 |
| Countries that End in N | 0 | - | 4.95 | 171,688 |
| Countries with Five Letters | 0 | - | 4.96 | 283,401 |
| Countries with Six Letters | 0 | - | 4.94 | 214,164 |
| Countries with W | 0 | - | 4.96 | 160,750 |
| Countries with Z | 0 | - | 4.98 | 292,132 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,101 |
| Countries That End in U | 0 | - | 4.95 | 121,077 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,909 |
| Countries that End in O | 0 | - | 4.92 | 159,725 |
| Countries that End in R | 0 | - | 4.87 | 119,115 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,863 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,591 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,008 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,717 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,647 |
| Countries That End in Y | 0 | - | 4.91 | 186,028 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,295 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,141 |
| Countries that End in I | 0 | - | 4.94 | 135,256 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,464 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,979 |
| Countries That End in NIA | 0 | - | 4.92 | 109,965 |
| Countries That End in BIA | 0 | - | 4.93 | 149,463 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,398 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,668 |
| Countries That End in RIA | 0 | - | 4.93 | 126,983 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,267 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,280 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,031 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,463 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,038 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,736 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,231 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,511 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,783 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,584 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,588 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,271 |
| Countries that End in L | 0 | - | 4.94 | 157,039 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,999 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,317 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,785 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,484 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,249 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,226 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,004 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,341 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,136 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,816 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,116 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,192 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,782 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,157 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,844,165 |
| One Border Countries | 0 | - | 4.98 | 471,314 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,646,877 |
