| Countries of the World Quiz | 0 | - | 5.00 | 47,592,041 |
| Landlocked Countries | 0 | - | 4.99 | 422,094 |
| Countries by Emojis | 0 | - | 4.99 | 240,419 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 191,894 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,650 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,523 |
| Himalayan Countries | 0 | - | 4.94 | 138,790 |
| Andean Countries | 0 | - | 4.93 | 84,642 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,836 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,876 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,462 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,827 |
| Danube Countries | 0 | - | 4.97 | 72,027 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,035 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,436 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,340 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,817 |
| European Landlocked Countries | 0 | - | 4.99 | 147,154 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,671 |
| Countries with the Most Species | 0 | - | 4.99 | 103,249 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,787 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,600 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,728 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,551 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,241 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,672 |
| Countries in the Alps | 0 | - | 4.87 | 118,226 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,182 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,056 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,664 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,603 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,527 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,689 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,505 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,187 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,862 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,663 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,240 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,484 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,539 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,929 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,320 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,937 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,098 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,996 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,156 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,242 |
| Largest Countries By Category | 0 | - | 4.97 | 158,233 |
| Countries by Countries | 0 | - | 4.96 | 63,241 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,703 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,295 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,684 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,655 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,538 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,364 |
| Island Countries | 0 | - | 4.99 | 711,087 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,948 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,593 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,028 |
| Northernmost Countries | 0 | - | 4.99 | 362,012 |
| Countries of South America | 0 | - | 5.00 | 927,527 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,171 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,721 |
| "Land" Countries | 0 | - | 4.98 | 337,366 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,111 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,346,657 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,369 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,007 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,923 |
| Countries with Megacities | 0 | - | 4.99 | 264,616 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,761 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,483 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,019 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,558 |
| Countries by Official Language | 0 | - | 4.95 | 195,278 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,402 |
| Countries in their Native Language | 0 | - | 4.99 | 199,064 |
| Independence from Whom | 0 | - | 4.99 | 212,132 |
| Subdivisions by Country | 0 | - | 4.86 | 50,434 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,752 |
| Megadiverse Countries | 0 | - | 4.96 | 135,021 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,116 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,365 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,241 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,110 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,154 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,489 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,035 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,664 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,149 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,686 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,889 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,207 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,969 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,357 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,502 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,216 |
| World Map Quiz | 0 | - | 4.81 | 65,108 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,343 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,363 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,114 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,286 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,006 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,225 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,905 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,021 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,309 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,446 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,583 |
| Widest Countries East to West | 0 | - | 4.92 | 129,657 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,460 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,392 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,124 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,773 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,606 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,881 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,376 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,800 |
| Countries with Double Letters | 0 | - | 4.96 | 96,248 |
| Countries that End in N | 0 | - | 4.95 | 171,137 |
| Countries with Five Letters | 0 | - | 4.96 | 282,497 |
| Countries with Six Letters | 0 | - | 4.94 | 213,563 |
| Countries with W | 0 | - | 4.97 | 160,330 |
| Countries with Z | 0 | - | 4.98 | 291,464 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,709 |
| Countries That End in U | 0 | - | 4.95 | 120,859 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,469 |
| Countries that End in O | 0 | - | 4.92 | 159,511 |
| Countries that End in R | 0 | - | 4.87 | 118,972 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,731 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,104 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,701 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,475 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,400 |
| Countries That End in Y | 0 | - | 4.91 | 185,873 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,923 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,860 |
| Countries that End in I | 0 | - | 4.94 | 135,093 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,112 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,823 |
| Countries That End in NIA | 0 | - | 4.92 | 109,788 |
| Countries That End in BIA | 0 | - | 4.93 | 149,203 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,125 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,428 |
| Countries That End in RIA | 0 | - | 4.93 | 126,806 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,022 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,625 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,709 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,125 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,678 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,579 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,031 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,445 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,527 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,422 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,287 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,983 |
| Countries that End in L | 0 | - | 4.94 | 156,840 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,790 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,264 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,028 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,956 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,001 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,755 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,655 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,993 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,543 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,443 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,863 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,101 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,707 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,872 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,183 |
| One Border Countries | 0 | - | 4.98 | 469,929 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,632,724 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,607 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,552,344 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,013 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,947 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,212 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,163 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,571 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,744 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,230 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,564 |
| Countries by National Anthem | 0 | - | 4.93 | 71,291 |
| NATO Countries | 0 | - | 4.98 | 281,564 |
| EU Countries Quiz | 0 | - | 4.99 | 275,564 |
| Recently Independent Countries | 0 | - | 4.98 | 159,480 |
| French-Speaking Countries | 0 | - | 4.85 | 270,872 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,900 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,559 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,349 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,496 |
| German-Speaking Countries | 0 | - | 4.91 | 145,748 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,460 |
