| Spanish-Speaking Countries | 0 | - | 4.95 | 375,324 |
| Countries by Official Language | 0 | - | 4.95 | 195,116 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,188 |
| Countries in their Native Language | 0 | - | 4.99 | 198,901 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,964 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,426 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,828 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,032 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,643 |
| French-Speaking Countries | 0 | - | 4.85 | 270,724 |
| German-Speaking Countries | 0 | - | 4.91 | 145,665 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 113,020 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,672 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,250 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,530,606 |
| Landlocked Countries | 0 | - | 4.99 | 421,321 |
| English Speaking Countries | 0 | - | 4.64 | 357,483 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,817 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,126 |
| Himalayan Countries | 0 | - | 4.95 | 138,427 |
| Andean Countries | 0 | - | 4.93 | 84,437 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,649 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,603 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,278 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,677 |
| Danube Countries | 0 | - | 4.97 | 71,931 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,917 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,347 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,161 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,621 |
| European Landlocked Countries | 0 | - | 4.99 | 147,060 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,508 |
| Countries with the Most Species | 0 | - | 4.99 | 103,167 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,663 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,546 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,495 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,174 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,586 |
| Countries in the Alps | 0 | - | 4.87 | 118,094 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,630 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,912 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,602 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,529 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,418 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,893 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,437 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,137 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,781 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,613 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,470 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,155 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,411 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,447 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,735 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,243 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,717 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,947 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,593 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,909 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,166 |
| Largest Countries By Category | 0 | - | 4.97 | 158,087 |
| Countries by Countries | 0 | - | 4.96 | 63,118 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,525 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,595 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,253 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,541 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,603 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,491 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,969 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,653 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,703 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,047 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,801 |
| Island Countries | 0 | - | 4.99 | 710,791 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,004 |
| Northernmost Countries | 0 | - | 4.99 | 361,660 |
| Countries of South America | 0 | - | 5.00 | 926,347 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,605 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,085 |
| "Land" Countries | 0 | - | 4.98 | 337,128 |
| Top World Languages | 0 | - | 4.92 | 823,371 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,264 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,797 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,017 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 172,919 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,377 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,725 |
| Countries with Megacities | 0 | - | 4.99 | 264,153 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,570 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,384 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,831 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,443 |
| Independence from Whom | 0 | - | 4.99 | 211,935 |
| Subdivisions by Country | 0 | - | 4.86 | 50,398 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,614 |
| Megadiverse Countries | 0 | - | 4.96 | 134,955 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,310 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,923 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,086 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,025 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,557 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,368 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,991 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,608 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,064 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,541 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,839 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,158 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,926 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,311 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,459 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,991 |
| World Map Quiz | 0 | - | 4.81 | 65,004 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,917 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,283 |
| Countries by Founding Story | 0 | - | 4.95 | 77,306 |
| Countries by Road Signs | 0 | - | 4.98 | 53,942 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,963 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,200 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,921 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,030 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,818 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,949 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,247 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,405 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,521 |
| Widest Countries East to West | 0 | - | 4.92 | 129,583 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,435 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,309 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,097 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,720 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,517 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,792 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,344 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,786 |
| Countries with Double Letters | 0 | - | 4.96 | 96,056 |
| Countries that End in N | 0 | - | 4.95 | 170,946 |
| Countries with Five Letters | 0 | - | 4.96 | 282,129 |
| Countries with Six Letters | 0 | - | 4.94 | 213,372 |
| Countries with W | 0 | - | 4.97 | 160,190 |
| Countries with Z | 0 | - | 4.98 | 291,251 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,552 |
| Countries That End in U | 0 | - | 4.95 | 120,770 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,322 |
| Countries that End in O | 0 | - | 4.92 | 159,459 |
| Countries that End in R | 0 | - | 4.87 | 118,923 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,683 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,929 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,598 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,402 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,317 |
| Countries That End in Y | 0 | - | 4.91 | 185,830 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,797 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,762 |
| Countries that End in I | 0 | - | 4.94 | 135,044 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,974 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,768 |
| Countries That End in NIA | 0 | - | 4.92 | 109,718 |
| Countries That End in BIA | 0 | - | 4.93 | 149,124 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,021 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,353 |
| Countries That End in RIA | 0 | - | 4.93 | 126,762 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,941 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,398 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,585 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,982 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,555 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,530 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,947 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,427 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,453 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,377 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,190 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,889 |
| Countries that End in L | 0 | - | 4.94 | 156,764 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,369 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,242 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,970 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,899 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,938 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,614 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,562 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,917 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,447 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,327 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,809 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,061 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,685 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,829 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,138 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,104 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,707 |
| One Border Countries | 0 | - | 4.98 | 469,480 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,599 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,832,263 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,628,659 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,965 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,022 |
