| Landmarks of Countries #1 | 0 | - | 4.89 | 100,818 |
| Boundary Waters | 0 | - | 4.93 | 80,466 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,809 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,802 |
| Landmarks of Countries #2 | 0 | - | 4.50 | 51,615 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,458,947 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,446 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,829 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,160 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,851 |
| Cities by Landmark #1 | 0 | - | 4.03 | 43,794 |
| Cities by Landmark #2 | 0 | - | 4.02 | 34,253 |
| World Capitals Quiz | 0 | - | 5.00 | 4,459,262 |
| Countries on the Equator | 0 | - | 4.82 | 132,485 |
| Members of the Arab League | 0 | - | 4.82 | 59,238 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,122 |
| Himalayan Countries | 0 | - | 4.95 | 102,451 |
| Andean Countries | 0 | - | 4.90 | 56,913 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,764 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,567 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,883 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,549 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,733 |
| Danube Countries | 0 | - | 4.97 | 56,362 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,401 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,592 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,331 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,774 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,390 |
| European Landlocked Countries | 0 | - | 4.99 | 114,836 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,757 |
| Countries with the Most Species | 0 | - | 4.99 | 89,083 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,823 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,811 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,756 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,115 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,451 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,684 |
| Countries in the Alps | 0 | - | 4.82 | 101,817 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,628 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,789 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,124 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,715 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,364 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,861 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,036 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,748 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,071 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,148 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,909 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,333 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,415 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,966 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,497 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,972 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,598 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,946 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,949 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,713 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,367 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,956 |
| Largest Countries By Category | 0 | - | 4.96 | 143,882 |
| Countries by Countries | 0 | - | 4.96 | 54,081 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,018,048 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,655 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,377 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,326 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,347 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,834 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,183 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,252 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,100 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,215 |
| Longest International Borders | 0 | - | 4.99 | 232,744 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,411 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,343 |
| Demonym of Every Country | 0 | - | 4.91 | 48,824 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,369,166 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,546 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,723 |
| Island Countries Quiz | 0 | - | 4.99 | 638,697 |
| Biggest Countries by Area | 0 | - | 5.00 | 924,703 |
| Northernmost Countries | 0 | - | 4.99 | 325,301 |
| Countries of South America | 0 | - | 5.00 | 783,608 |
| Countries of Oceania | 0 | - | 5.00 | 881,918 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,108,456 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,551,341 |
| Top World Languages | 0 | - | 4.91 | 698,851 |
| Countries with Three Borders | 0 | - | 4.96 | 30,881 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,891 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,077 |
| Name a Valid Answer - Geography | 0 | - | 4.91 | 75,980 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,138 |
| Countries with Megacities | 0 | - | 4.99 | 194,739 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,456 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,853 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,691 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,698 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,046 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,684 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,021 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,073 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,683 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,673 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,933 |
| Countries by Capital City | 0 | - | 4.99 | 48,249 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,276 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 93,019 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,183 |
| Moved Capital Cities | 0 | - | 4.94 | 51,905 |
| Countries by Official Language | 0 | - | 4.95 | 153,484 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,716 |
| Countries in their Native Language | 0 | - | 4.98 | 176,993 |
| Independence from Whom | 0 | - | 4.99 | 183,298 |
| Subdivisions by Country | 0 | - | 4.82 | 46,180 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,876 |
| Megadiverse Countries | 0 | - | 4.96 | 124,743 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,959 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,007 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,127 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,078 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,615 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,604 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,314 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,495 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,980 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,853 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,364 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,931 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,741 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,071 |
| World Map Quiz | 0 | - | 4.90 | 48,122 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 110,607 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,755 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,324 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,097 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,051 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,565 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,560 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,873 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,453 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,298 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,841 |
| Widest Countries East to West | 0 | - | 4.93 | 118,717 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,678 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,883 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,099 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,785 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,647 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,511 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,255 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,858 |
| Countries with Double Letters | 0 | - | 4.96 | 66,875 |
| Countries that End in N | 0 | - | 4.94 | 131,340 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,820 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,614 |
| Countries with W | 0 | - | 4.97 | 121,629 |
| Countries with Z | 0 | - | 4.98 | 242,414 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,583 |
| Countries That End in U | 0 | - | 4.94 | 106,931 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,304 |
| Countries that End in O | 0 | - | 4.92 | 146,372 |
| Countries that End in R | 0 | - | 4.86 | 96,116 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,861 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,561 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,872 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,581 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,500 |
| Countries That End in Y | 0 | - | 4.90 | 160,804 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,638 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,826 |
| Countries that End in I | 0 | - | 4.92 | 114,157 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,405 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,813 |
| Countries That End in NIA | 0 | - | 4.93 | 100,325 |
| Countries That End in BIA | 0 | - | 4.91 | 125,355 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,380 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,043 |
| Countries That End in RIA | 0 | - | 4.89 | 100,460 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,752 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,701 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,649 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,439 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,372 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,546 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,914 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,384 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,788 |
| Countries that End in L | 0 | - | 4.95 | 133,356 |
| "Land" Countries | 0 | - | 4.98 | 287,904 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,761 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,073 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,703 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,476 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,090 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,218 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 157,361 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,675 |
