| Boundary Waters | 0 | - | 4.93 | 85,429 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,995 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,358 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,296 |
| Pacific Ocean General Knowledge | 0 | - | 4.64 | 35,666 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,964 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,738 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,577 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,363,521 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,784 |
| Himalayan Countries | 0 | - | 4.94 | 122,457 |
| Andean Countries | 0 | - | 4.93 | 68,828 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,781 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,238 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,987 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,388 |
| Danube Countries | 0 | - | 4.97 | 60,892 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,930 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,936 |
| Countries with the Best Passports | 0 | - | 4.82 | 80,862 |
| Countries with the Worst Passports | 0 | - | 4.90 | 70,969 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,370 |
| European Landlocked Countries | 0 | - | 4.99 | 141,066 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,188 |
| Countries with the Most Species | 0 | - | 4.99 | 92,369 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,574 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,711 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,808 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,612 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,395 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,975 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,706 |
| Countries in the Alps | 0 | - | 4.86 | 110,511 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,784 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,919 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,429 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,799 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,678 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,988 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,064 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,896 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,002 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,844 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,759 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,289 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,117 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,191 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,873 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,581 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,125 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,854 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,784 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,332 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,243 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,149 |
| Largest Countries By Category | 0 | - | 4.97 | 151,484 |
| Countries by Countries | 0 | - | 4.96 | 58,502 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,137 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,682 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,994 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,691 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,694 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,445 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,162 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 198,032 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,108 |
| Longest International Borders | 0 | - | 4.99 | 243,788 |
| Countries with Three Borders | 0 | - | 4.96 | 34,304 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,379 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,747 |
| Demonym of Every Country | 0 | - | 4.92 | 55,074 |
| Globe Grid | 0 | - | 4.31 | 31,696 |
| Largest Deserts in the World | 0 | - | 4.02 | 42,664 |
| World Map Divided into Regions | 0 | - | 4.17 | 39,084 |
| World Capitals Quiz | 0 | - | 5.00 | 4,809,712 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,410,071 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,478,475 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,491,931 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,401 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,646 |
| Island Countries Quiz | 0 | - | 4.99 | 691,179 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,402 |
| Northernmost Countries | 0 | - | 4.99 | 342,884 |
| Countries of South America | 0 | - | 5.00 | 863,804 |
| Countries of Oceania | 0 | - | 5.00 | 976,950 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,733,057 |
| Top World Languages | 0 | - | 4.91 | 769,758 |
| Analogies of Countries #1 | 0 | - | 4.88 | 66,530 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.19 | 15,861 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 99,311 |
| Geography Mad Gab | 0 | - | 4.33 | 26,288 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,147 |
| Countries with Megacities | 0 | - | 4.99 | 218,428 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,982 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,360 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,857 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,379 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,282 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,471 |
| Northernmost Capital Cities | 0 | - | 4.98 | 102,404 |
| Most Remote Capital Cities | 0 | - | 4.90 | 48,728 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,995 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 100,583 |
| Same Letter Country and Capital | 0 | - | 4.99 | 138,505 |
| Countries by Capital City | 0 | - | 5.00 | 59,034 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 71,749 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 110,078 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 79,202 |
| Moved Capital Cities | 0 | - | 4.95 | 70,652 |
| Countries by Official Language | 0 | - | 4.95 | 184,257 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,337 |
| Countries in their Native Language | 0 | - | 4.98 | 189,015 |
| Independence from Whom | 0 | - | 4.99 | 200,057 |
| Subdivisions by Country | 0 | - | 4.86 | 48,552 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,881 |
| Megadiverse Countries | 0 | - | 4.96 | 130,552 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,315 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,936 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,349 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,594 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,527 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,924 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,362 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,529 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,441 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,687 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,911 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,013 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,267 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,210 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,697 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,384 |
| World Map Quiz | 0 | - | 4.88 | 57,821 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,463 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,837 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,773 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,846 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,694 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,497 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,599 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,678 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,677 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,431 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,702 |
| Widest Countries East to West | 0 | - | 4.92 | 124,845 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,216 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,318 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,500 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,361 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,534 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,447 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,062 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,589 |
| Countries with Double Letters | 0 | - | 4.96 | 82,726 |
| Countries that End in N | 0 | - | 4.94 | 146,592 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,584 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,963 |
| Countries with W | 0 | - | 4.97 | 150,049 |
| Countries with Z | 0 | - | 4.98 | 276,504 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,845 |
| Countries That End in U | 0 | - | 4.95 | 114,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,936 |
| Countries that End in O | 0 | - | 4.92 | 154,628 |
| Countries that End in R | 0 | - | 4.84 | 100,100 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,066 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,472 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,529 |
| Countries by Last Two Letters | 0 | - | 4.87 | 122,007 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,778 |
| Countries That End in Y | 0 | - | 4.91 | 182,260 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,484 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,887 |
| Countries that End in I | 0 | - | 4.92 | 117,541 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,612 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,314 |
| Countries That End in NIA | 0 | - | 4.92 | 105,235 |
| Countries That End in BIA | 0 | - | 4.92 | 142,897 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,432 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,911 |
| Countries That End in RIA | 0 | - | 4.89 | 105,607 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,067 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,690 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,468 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,342 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,191 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,331 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,758 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,271 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,180 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,389 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,968 |
| Countries that End in L | 0 | - | 4.94 | 151,952 |
| "Land" Countries | 0 | - | 4.98 | 299,932 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,780 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,983 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,727 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,832 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,709 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 219,919 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,869 |
