| Boundary Waters | 0 | - | 4.92 | 88,627 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,299 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,381 |
| Landlocked Countries | 0 | - | 4.99 | 422,989 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,661,757 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,764 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,560 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,572 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,011 |
| Himalayan Countries | 0 | - | 4.95 | 139,174 |
| Andean Countries | 0 | - | 4.93 | 84,870 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,087 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,226 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,670 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,975 |
| Danube Countries | 0 | - | 4.97 | 72,131 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,183 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,536 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,036 |
| European Landlocked Countries | 0 | - | 4.99 | 147,272 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,833 |
| Countries with the Most Species | 0 | - | 4.99 | 103,343 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,959 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,646 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,766 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,615 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,364 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,781 |
| Countries in the Alps | 0 | - | 4.87 | 118,360 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,738 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,280 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,753 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,710 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,631 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,038 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,812 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,603 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,248 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,950 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,719 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,587 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,320 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,561 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,633 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,153 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,399 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,723 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,487 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,419 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,308 |
| Largest Countries By Category | 0 | - | 4.97 | 158,393 |
| Countries by Countries | 0 | - | 4.96 | 63,359 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,838 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,323 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,789 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,800 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,893 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,587 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,535 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,268 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,368 |
| Longest International Borders | 0 | - | 4.99 | 265,383 |
| Countries with Three Borders | 0 | - | 4.96 | 36,654 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,184 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,295 |
| Demonym of Every Country | 0 | - | 4.91 | 60,916 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,458 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,689 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,348 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,488 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,130 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,830 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,972 |
| Island Countries | 0 | - | 4.99 | 711,411 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,122 |
| Northernmost Countries | 0 | - | 4.99 | 362,470 |
| Countries of South America | 0 | - | 5.00 | 928,747 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,678 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,430 |
| "Land" Countries | 0 | - | 4.98 | 337,627 |
| Top World Languages | 0 | - | 4.92 | 825,854 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,605 |
| Globe Grid | 0 | - | 4.32 | 32,020 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,999 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,672 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,192 |
| Countries with Megacities | 0 | - | 4.99 | 265,276 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,015 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,631 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,268 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,705 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,752 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,718 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,662 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,835 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,700 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,547 |
| Countries by Capital City | 0 | - | 5.00 | 68,825 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,489 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,923 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,515 |
| Moved Capital Cities | 0 | - | 4.96 | 74,429 |
| Countries by Official Language | 0 | - | 4.95 | 195,463 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,665 |
| Countries in their Native Language | 0 | - | 4.99 | 199,239 |
| Independence from Whom | 0 | - | 4.99 | 212,326 |
| Subdivisions by Country | 0 | - | 4.87 | 50,483 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,902 |
| Megadiverse Countries | 0 | - | 4.96 | 135,093 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,268 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,412 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,292 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,139 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,266 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,659 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,613 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,415 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,705 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,181 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,897 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,948 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,265 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,012 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,422 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,543 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,163 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,521 |
| World Map Quiz | 0 | - | 4.81 | 65,246 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,816 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,451 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,299 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,399 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,112 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,556 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,008 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,120 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,395 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,494 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,647 |
| Widest Countries East to West | 0 | - | 4.92 | 129,747 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,480 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,508 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,298 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,835 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,695 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,968 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,408 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,821 |
| Countries with Double Letters | 0 | - | 4.96 | 96,469 |
| Countries that End in N | 0 | - | 4.95 | 171,353 |
| Countries with Five Letters | 0 | - | 4.96 | 282,895 |
| Countries with Six Letters | 0 | - | 4.94 | 213,808 |
| Countries with W | 0 | - | 4.96 | 160,496 |
| Countries with Z | 0 | - | 4.98 | 291,716 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,854 |
| Countries That End in U | 0 | - | 4.95 | 120,936 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,633 |
| Countries that End in O | 0 | - | 4.92 | 159,591 |
| Countries that End in R | 0 | - | 4.87 | 119,020 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,782 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,304 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,805 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,578 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,483 |
| Countries That End in Y | 0 | - | 4.91 | 185,940 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,054 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,981 |
| Countries that End in I | 0 | - | 4.94 | 135,167 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,241 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,877 |
| Countries That End in NIA | 0 | - | 4.92 | 109,854 |
| Countries That End in BIA | 0 | - | 4.93 | 149,305 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,213 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,522 |
| Countries That End in RIA | 0 | - | 4.93 | 126,878 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,109 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,881 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,844 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,275 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,819 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,638 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,109 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,467 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,624 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,485 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,402 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,095 |
| Countries that End in L | 0 | - | 4.94 | 156,920 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,253 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,288 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,089 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,017 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,060 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,936 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,802 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,226 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,943 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,600 |
