| Boundary Waters | 0 | - | 4.93 | 82,110 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,598 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.96 | 163,672 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 97,318 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 86,061 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,848 |
| Huge List of Famous Mountains | 0 | - | 4.79 | 30,937 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,585 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,866,774 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,385 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,070 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,785 |
| Members of the Arab League | 0 | - | 4.86 | 66,728 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,849 |
| Himalayan Countries | 0 | - | 4.94 | 108,791 |
| Andean Countries | 0 | - | 4.91 | 60,433 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,645 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 51,034 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,669 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,948 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,402 |
| Danube Countries | 0 | - | 4.96 | 57,306 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,310 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,365 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,892 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,547 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,228 |
| European Landlocked Countries | 0 | - | 4.99 | 137,312 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,969 |
| Countries with the Most Species | 0 | - | 4.99 | 90,107 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,500 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,071 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,370 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,171 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,188 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,030 |
| Countries in the Alps | 0 | - | 4.84 | 104,029 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,600 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,879 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,398 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,496 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 95,021 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,457 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,668 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,844 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,760 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,510 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,276 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,088 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,079 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,694 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,781 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,358 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,891 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,056 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,146 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,510 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,803 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,918 |
| Largest Countries By Category | 0 | - | 4.97 | 146,633 |
| Countries by Countries | 0 | - | 4.96 | 55,740 |
| Country Flags with the Most White | 0 | - | 4.91 | 126,832 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,278 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,200 |
| Country Flags With Only Two Colors | 0 | - | 4.93 | 79,813 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,455 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,766 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,652 |
| Who Controls It? #1 | 0 | - | 4.82 | 45,946 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,557 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 112,005 |
| Longest International Borders | 0 | - | 4.99 | 236,955 |
| Countries with Three Borders | 0 | - | 4.96 | 32,236 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,998 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,526 |
| Mountain Ranges | 0 | - | 4.21 | 24,841 |
| Demonym of Every Country | 0 | - | 4.91 | 50,986 |
| World Capitals Quiz | 0 | - | 5.00 | 4,587,476 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,185,574 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,238,301 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.75 | 57,650 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,411,910 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,670 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,583 |
| Island Countries Quiz | 0 | - | 4.99 | 669,664 |
| Biggest Countries by Area | 0 | - | 5.00 | 949,373 |
| Northernmost Countries | 0 | - | 4.99 | 331,292 |
| Countries of South America | 0 | - | 5.00 | 812,142 |
| Countries of Oceania | 0 | - | 5.00 | 916,242 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,616,203 |
| Top World Languages | 0 | - | 4.92 | 725,370 |
| Analogies of Countries #1 | 0 | - | 4.87 | 63,508 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,903 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,682 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,917 |
| World Map Divided into Regions | 0 | - | 4.18 | 36,486 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 79,083 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,391 |
| Countries with Megacities | 0 | - | 4.99 | 202,318 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,762 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,172 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,540 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,132 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,693 |
| Global Cities on a World Map | 0 | - | 4.92 | 93,107 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,230 |
| Most Remote Capital Cities | 0 | - | 4.90 | 45,030 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,767 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,491 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,542 |
| Countries by Capital City | 0 | - | 4.99 | 51,790 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,368 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,320 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,631 |
| Moved Capital Cities | 0 | - | 4.96 | 68,048 |
| Countries by Official Language | 0 | - | 4.96 | 175,533 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 254,014 |
| Countries in their Native Language | 0 | - | 4.98 | 180,877 |
| Independence from Whom | 0 | - | 4.99 | 189,773 |
| Subdivisions by Country | 0 | - | 4.85 | 46,962 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,919 |
| Megadiverse Countries | 0 | - | 4.96 | 126,916 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,185 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,706 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,877 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,528 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,994 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,842 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,127 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,792 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,901 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,271 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,355 |
| Countries Furthest from the United States | 0 | - | 4.94 | 73,054 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,600 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,486 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,112 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 87,084 |
| World Map Quiz | 0 | - | 4.90 | 51,733 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 119,172 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,872 |
| Southernmost Countries of the World | 0 | - | 4.99 | 210,055 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 93,006 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,395 |
| Countries With the Most Languages | 0 | - | 4.90 | 178,203 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,810 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,236 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 88,475 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,213 |
| Tallest Countries North to South | 0 | - | 4.84 | 111,721 |
| Widest Countries East to West | 0 | - | 4.93 | 120,692 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,159 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,751 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,936 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,484 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,976 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,791 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,637 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,835 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,456 |
| Mountains by Country | 0 | - | 4.74 | 77,766 |
| Countries with Double Letters | 0 | - | 4.96 | 72,690 |
| Countries that End in N | 0 | - | 4.93 | 136,936 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,703 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 191,236 |
| Countries with W | 0 | - | 4.97 | 126,332 |
| Countries with Z | 0 | - | 4.98 | 265,401 |
| Countries with Letters Missing | 0 | - | 4.97 | 170,177 |
| Countries That End in U | 0 | - | 4.95 | 109,898 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,995 |
| Countries that End in O | 0 | - | 4.92 | 149,036 |
| Countries that End in R | 0 | - | 4.85 | 97,543 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,483 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,635 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,968 |
| Countries by Last Two Letters | 0 | - | 4.89 | 117,891 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,821 |
| Countries That End in Y | 0 | - | 4.92 | 178,063 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,240 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,794 |
| Countries that End in I | 0 | - | 4.92 | 115,348 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,882 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,525 |
| Countries That End in NIA | 0 | - | 4.92 | 101,962 |
| Countries That End in BIA | 0 | - | 4.91 | 127,503 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,376 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,119 |
| Countries That End in RIA | 0 | - | 4.90 | 102,041 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,945 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 205,241 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,930 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 113,077 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,575 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 43,586 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,990 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,340 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,820 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,267 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,719 |
