| Countries with Wild Tigers | 0 | - | 4.96 | 137,178 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,460 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,475 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,575 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,165 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,042 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,485 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,848 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,792,736 |
| Landlocked Countries | 0 | - | 4.99 | 424,658 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,127 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,024 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,451 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,797,209 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,701 |
| Himalayan Countries | 0 | - | 4.93 | 139,828 |
| Andean Countries | 0 | - | 4.94 | 85,210 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,389 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,687 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,956 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,252 |
| Danube Countries | 0 | - | 4.97 | 72,286 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,435 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,723 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,889 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,385 |
| European Landlocked Countries | 0 | - | 4.99 | 147,472 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,111 |
| Countries with the Most Species | 0 | - | 4.99 | 103,498 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,260 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,715 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,827 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,761 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,493 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,916 |
| Countries in the Alps | 0 | - | 4.87 | 118,612 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,361 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,632 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,887 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,906 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,832 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,147 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,272 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,779 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,350 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,082 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,800 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,667 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,461 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,702 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,789 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,555 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,530 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,576 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,510 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,265 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,879 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,440 |
| Largest Countries By Category | 0 | - | 4.97 | 158,681 |
| Countries by Countries | 0 | - | 4.96 | 63,523 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,128 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,367 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,645 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,291 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,995 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,558 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,352 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,059 |
| Island Countries | 0 | - | 4.99 | 712,131 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,446 |
| Northernmost Countries | 0 | - | 4.99 | 363,481 |
| Countries of South America | 0 | - | 5.00 | 931,093 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,467 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,851 |
| "Land" Countries | 0 | - | 4.98 | 338,095 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,599 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,041 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,529 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,345 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,856 |
| Countries with Megacities | 0 | - | 4.99 | 266,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,563 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,947 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,856 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,054 |
| Countries by Official Language | 0 | - | 4.95 | 195,799 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,349 |
| Countries in their Native Language | 0 | - | 4.99 | 199,582 |
| Independence from Whom | 0 | - | 4.99 | 212,809 |
| Subdivisions by Country | 0 | - | 4.87 | 50,572 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,261 |
| Megadiverse Countries | 0 | - | 4.96 | 135,207 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,785 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,487 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,391 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,194 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,464 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,776 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,959 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,518 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,783 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,228 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,261 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,321 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,384 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,111 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,521 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,644 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,078 |
| World Map Quiz | 0 | - | 4.81 | 65,489 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,701 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,598 |
| Countries by Founding Story | 0 | - | 4.95 | 77,697 |
| Countries by Road Signs | 0 | - | 4.98 | 54,267 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,032 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,965 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,450 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,276 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,303 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,428 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,623 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,628 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,283 |
| Widest Countries East to West | 0 | - | 4.92 | 130,344 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,569 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,127 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,476 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,993 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,883 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,382 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,468 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,870 |
| Countries with Double Letters | 0 | - | 4.96 | 96,840 |
| Countries that End in N | 0 | - | 4.95 | 171,721 |
| Countries with Five Letters | 0 | - | 4.96 | 283,448 |
| Countries with Six Letters | 0 | - | 4.94 | 214,201 |
| Countries with W | 0 | - | 4.96 | 160,774 |
| Countries with Z | 0 | - | 4.98 | 292,178 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,123 |
| Countries That End in U | 0 | - | 4.95 | 121,087 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,932 |
| Countries that End in O | 0 | - | 4.92 | 159,735 |
| Countries that End in R | 0 | - | 4.87 | 119,123 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,874 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,626 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,022 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,733 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,655 |
| Countries That End in Y | 0 | - | 4.91 | 186,037 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,320 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,160 |
| Countries that End in I | 0 | - | 4.94 | 135,260 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,482 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,988 |
| Countries That End in NIA | 0 | - | 4.92 | 109,976 |
| Countries That End in BIA | 0 | - | 4.93 | 149,489 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,407 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,684 |
| Countries That End in RIA | 0 | - | 4.93 | 126,997 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,283 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,332 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,056 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,489 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,055 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,750 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,245 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,515 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,800 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,592 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,603 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,288 |
| Countries that End in L | 0 | - | 4.94 | 157,049 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,213 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,320 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,021 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,657 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,310 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,256 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,027 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,360 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,159 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,850 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,132 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,201 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,219 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,792 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,172 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,531 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,075 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,844,824 |
| One Border Countries | 0 | - | 4.98 | 471,396 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,647,754 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,306 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,662 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,575 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,639 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,644 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,919 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,225 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,821 |
