| Boundary Waters | 0 | - | 4.93 | 81,635 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,941 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,641 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,078 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,988 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,989 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,001 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,486,448 |
| Members of the Arab League | 0 | - | 4.85 | 65,041 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,263 |
| Himalayan Countries | 0 | - | 4.94 | 107,240 |
| Andean Countries | 0 | - | 4.91 | 59,654 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,735 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,430 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,809 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,628 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,949 |
| Danube Countries | 0 | - | 4.96 | 57,053 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,071 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,158 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,237 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,080 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,369 |
| European Landlocked Countries | 0 | - | 4.99 | 136,731 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,479 |
| Countries with the Most Species | 0 | - | 4.99 | 89,755 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,979 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,912 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,213 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,798 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,728 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,991 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,652 |
| Countries in the Alps | 0 | - | 4.84 | 103,470 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,089 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,689 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,056 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,123 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,623 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,085 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,249 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,573 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,579 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,174 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,929 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,880 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,910 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,294 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,447 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,022 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,737 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,753 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,836 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,281 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,495 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,656 |
| Largest Countries By Category | 0 | - | 4.97 | 145,970 |
| Countries by Countries | 0 | - | 4.96 | 55,289 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,625 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,055 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,144 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,509 |
| Western Europe Map Quiz | 0 | - | 4.86 | 89,583 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 60,258 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,736 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,542 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,623 |
| Longest International Borders | 0 | - | 4.99 | 235,886 |
| Countries with Three Borders | 0 | - | 4.96 | 31,901 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,528 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,981 |
| Demonym of Every Country | 0 | - | 4.90 | 50,393 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,847 |
| Largest Deserts in the World | 0 | - | 4.03 | 41,486 |
| World Map Divided into Regions | 0 | - | 4.18 | 36,082 |
| World Capitals Quiz | 0 | - | 5.00 | 4,547,185 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,138,547 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,203,790 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,399,600 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,524 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,149 |
| Island Countries Quiz | 0 | - | 4.99 | 665,973 |
| Biggest Countries by Area | 0 | - | 5.00 | 942,477 |
| Northernmost Countries | 0 | - | 4.99 | 329,917 |
| Countries of South America | 0 | - | 5.00 | 804,472 |
| Countries of Oceania | 0 | - | 5.00 | 906,698 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,598,229 |
| Top World Languages | 0 | - | 4.92 | 718,263 |
| Analogies of Countries #1 | 0 | - | 4.88 | 63,210 |
| Globe Grid | 0 | - | 4.28 | 31,435 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,447 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.15 | 15,435 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,426 |
| Geography Mad Gab | 0 | - | 4.32 | 25,167 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,030 |
| Countries with Megacities | 0 | - | 4.99 | 200,391 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,902 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,237 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,385 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,229 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,277 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,521 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,305 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,452 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,186 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,378 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,094 |
| Countries by Capital City | 0 | - | 4.99 | 50,748 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,720 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,814 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,925 |
| Moved Capital Cities | 0 | - | 4.96 | 67,662 |
| Countries by Official Language | 0 | - | 4.96 | 174,480 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,772 |
| Countries in their Native Language | 0 | - | 4.98 | 179,631 |
| Independence from Whom | 0 | - | 4.99 | 187,999 |
| Subdivisions by Country | 0 | - | 4.82 | 46,750 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,901 |
| Megadiverse Countries | 0 | - | 4.96 | 126,276 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,782 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,269 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,681 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,558 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,616 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,064 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,788 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,475 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,723 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,648 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,033 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,682 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,208 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,121 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,761 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,915 |
| World Map Quiz | 0 | - | 4.91 | 50,730 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,327 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,899 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,128 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,368 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,295 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,353 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,638 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,717 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,739 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,211 |
| Widest Countries East to West | 0 | - | 4.93 | 120,175 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,030 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,022 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,511 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,079 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,292 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,213 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,879 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,682 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,293 |
| Countries with Double Letters | 0 | - | 4.96 | 70,879 |
| Countries that End in N | 0 | - | 4.93 | 135,101 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,446 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,612 |
| Countries with W | 0 | - | 4.96 | 124,927 |
| Countries with Z | 0 | - | 4.98 | 261,966 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,894 |
| Countries That End in U | 0 | - | 4.95 | 108,898 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,585 |
| Countries that End in O | 0 | - | 4.92 | 148,259 |
| Countries that End in R | 0 | - | 4.85 | 97,094 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,830 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,177 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,166 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,303 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,251 |
| Countries That End in Y | 0 | - | 4.90 | 162,150 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,324 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 121,949 |
| Countries that End in I | 0 | - | 4.92 | 114,995 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,875 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,097 |
| Countries That End in NIA | 0 | - | 4.93 | 101,509 |
| Countries That End in BIA | 0 | - | 4.91 | 126,938 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,597 |
| Countries Whose Names Start with Saint | 0 | - | 4.89 | 110,571 |
| Countries That End in RIA | 0 | - | 4.90 | 101,605 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,287 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,421 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,998 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,074 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,656 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,437 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,674 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,400 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,889 |
| Countries that End in L | 0 | - | 4.95 | 135,434 |
| "Land" Countries | 0 | - | 4.98 | 291,586 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,724 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 77,856 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,972 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,757 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,266 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 210,132 |
