| Countries with the Most Wolves | 0 | - | 4.92 | 107,511 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,075 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,676 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,732 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,782 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,684 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,882 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,608 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,198,624 |
| Landlocked Countries | 0 | - | 4.99 | 417,098 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,790 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,748 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,872 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,743,955 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,142 |
| Himalayan Countries | 0 | - | 4.95 | 136,703 |
| Andean Countries | 0 | - | 4.95 | 83,575 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,838 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,122 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,501 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,098 |
| Danube Countries | 0 | - | 4.97 | 71,476 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,284 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,886 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,263 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,251 |
| European Landlocked Countries | 0 | - | 4.99 | 146,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,840 |
| Countries with the Most Species | 0 | - | 4.99 | 102,275 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,972 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,351 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,531 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,199 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,845 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,221 |
| Countries in the Alps | 0 | - | 4.86 | 117,402 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,945 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,012 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,289 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,787 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,880 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,301 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,040 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,025 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,850 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,385 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,387 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,223 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,771 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,035 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,042 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,807 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,927 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,456 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,288 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,254 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,700 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,862 |
| Largest Countries By Category | 0 | - | 4.97 | 157,338 |
| Countries by Countries | 0 | - | 4.96 | 62,650 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,933 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,096 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,136 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,349 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,020 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,102 |
| Island Countries | 0 | - | 4.99 | 709,013 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,549 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,869 |
| Northernmost Countries | 0 | - | 4.99 | 359,615 |
| Countries of South America | 0 | - | 5.00 | 920,321 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,808 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,268 |
| "Land" Countries | 0 | - | 4.98 | 334,950 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,060 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,584 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,162 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,278 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,445 |
| Countries with Megacities | 0 | - | 4.99 | 249,321 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,300 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,639 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,618 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,618 |
| Countries by Official Language | 0 | - | 4.95 | 194,163 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,966 |
| Countries in their Native Language | 0 | - | 4.99 | 197,770 |
| Independence from Whom | 0 | - | 4.99 | 210,922 |
| Subdivisions by Country | 0 | - | 4.86 | 50,218 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,425 |
| Megadiverse Countries | 0 | - | 4.96 | 134,584 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,942 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,098 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,652 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,959 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,501 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,259 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,674 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,580 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,395 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,815 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,412 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,604 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,705 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,671 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,881 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,239 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,701 |
| World Map Quiz | 0 | - | 4.81 | 64,189 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,631 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,751 |
| Countries by Founding Story | 0 | - | 4.95 | 76,921 |
| Countries by Road Signs | 0 | - | 4.98 | 53,468 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,137 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,722 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,449 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,822 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,321 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,506 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,669 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,171 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,874 |
| Widest Countries East to West | 0 | - | 4.92 | 129,194 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,337 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,715 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,942 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,986 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,024 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,398 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,135 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,685 |
| Countries with Double Letters | 0 | - | 4.96 | 94,378 |
| Countries that End in N | 0 | - | 4.95 | 168,138 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 266,732 |
| Countries with Six Letters | 0 | - | 4.93 | 211,513 |
| Countries with W | 0 | - | 4.97 | 159,002 |
| Countries with Z | 0 | - | 4.98 | 289,053 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,212 |
| Countries That End in U | 0 | - | 4.95 | 120,078 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,287 |
| Countries that End in O | 0 | - | 4.92 | 158,955 |
| Countries that End in R | 0 | - | 4.87 | 118,564 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,355 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,875 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,817 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,870 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,454 |
| Countries That End in Y | 0 | - | 4.90 | 185,481 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,929 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,161 |
| Countries that End in I | 0 | - | 4.94 | 134,710 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,762 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,443 |
| Countries That End in NIA | 0 | - | 4.92 | 109,330 |
| Countries That End in BIA | 0 | - | 4.93 | 148,622 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,476 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,823 |
| Countries That End in RIA | 0 | - | 4.93 | 126,377 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,395 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,193 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,925 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,258 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,875 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,182 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,492 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,013 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,896 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,059 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,585 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,281 |
| Countries that End in L | 0 | - | 4.94 | 156,336 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,139 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,092 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,732 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,595 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,653 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,401 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,867 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,409 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,875 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,324 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,083 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,886 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,313 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,849 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,539 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,541 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,625 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,030 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,815,435 |
| One Border Countries | 0 | - | 4.98 | 466,689 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,606,279 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,953 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,148 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,229 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,314 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,139 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,759 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,339 |
