| Closest Capital City Pairs #2 | 0 | - | 4.93 | 62,711 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,233 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,935 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,281 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,846 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 102,982 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 212,974 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 178,411 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.92 | 69,106 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 62,943 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.90 | 53,669 |
| Boundary Waters | 0 | - | 4.93 | 80,409 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,696 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,753 |
| Countries With the Most Neighbors | 0 | - | 4.44 | 84,759 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,388,009 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,603 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,757 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,027 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,716 |
| Nearest Major City #1 | 0 | - | 4.48 | 22,552 |
| Closest City Pairs #2 | 0 | - | 4.56 | 27,626 |
| Closest City Pairs #1 | 0 | - | 4.46 | 23,488 |
| World Capitals Quiz | 0 | - | 5.00 | 4,453,055 |
| Countries on the Equator | 0 | - | 4.82 | 131,842 |
| Members of the Arab League | 0 | - | 4.81 | 58,859 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,925 |
| Himalayan Countries | 0 | - | 4.95 | 102,219 |
| Andean Countries | 0 | - | 4.90 | 56,778 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,595 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,498 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,797 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,459 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,654 |
| Danube Countries | 0 | - | 4.97 | 56,324 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,347 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,559 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,191 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,705 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,257 |
| European Landlocked Countries | 0 | - | 4.99 | 114,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,658 |
| Countries with the Most Species | 0 | - | 4.99 | 89,056 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,717 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,403 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,775 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,690 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,064 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,414 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,610 |
| Countries in the Alps | 0 | - | 4.82 | 101,666 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,520 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,597 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,072 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,636 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,274 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,794 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,974 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,700 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,026 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,077 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,842 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,301 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,872 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,432 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,899 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,379 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,898 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,887 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,170 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,111 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,902 |
| Largest Countries By Category | 0 | - | 4.96 | 143,736 |
| Countries by Countries | 0 | - | 4.96 | 53,982 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,009,510 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,325 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,202 |
| Countries Closest to the Equator A-Z | 0 | - | 4.56 | 34,385 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,237 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,780 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,100 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,216 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 179,931 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,146 |
| Longest International Borders | 0 | - | 4.99 | 232,569 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,333 |
| Demonym of Every Country | 0 | - | 4.91 | 48,714 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,367,022 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,206 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,161 |
| Island Countries Quiz | 0 | - | 4.99 | 637,604 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,532 |
| Northernmost Countries | 0 | - | 4.99 | 325,061 |
| Countries of South America | 0 | - | 5.00 | 782,258 |
| Countries of Oceania | 0 | - | 5.00 | 880,187 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,101,824 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,548,175 |
| Top World Languages | 0 | - | 4.91 | 697,622 |
| Countries with Three Borders | 0 | - | 4.96 | 30,726 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,772 |
| Five Letter Geography #4 | 0 | - | 4.83 | 64,914 |
| Name a Valid Answer - Geography | 0 | - | 4.91 | 75,810 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,940 |
| Countries with Megacities | 0 | - | 4.99 | 194,403 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,149 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,704 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,483 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,568 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,674 |
| Nearest Major City #2 | 0 | - | 4.11 | 15,434 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,563 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,893 |
| Most Remote Capital Cities | 0 | - | 4.90 | 42,987 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,609 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,543 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,749 |
| Countries by Capital City | 0 | - | 4.99 | 48,060 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 92,941 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,080 |
| Moved Capital Cities | 0 | - | 4.94 | 51,841 |
| Countries by Official Language | 0 | - | 4.95 | 153,292 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,246 |
| Countries in their Native Language | 0 | - | 4.98 | 176,800 |
| Independence from Whom | 0 | - | 4.99 | 182,660 |
| Subdivisions by Country | 0 | - | 4.82 | 46,141 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,700 |
| Megadiverse Countries | 0 | - | 4.96 | 124,634 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,755 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,911 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,080 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,650 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,554 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,448 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,234 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,428 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,724 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,742 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,456 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,668 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 79,749 |
| World Map Quiz | 0 | - | 4.90 | 47,964 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,645 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,143 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 89,996 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,932 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,284 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,482 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,764 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,319 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,202 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,732 |
| Widest Countries East to West | 0 | - | 4.93 | 118,395 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,661 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,764 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,057 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,693 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,548 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,421 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,233 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,815 |
| Countries with Double Letters | 0 | - | 4.96 | 66,401 |
| Countries that End in N | 0 | - | 4.94 | 130,789 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,292 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,132 |
| Countries with W | 0 | - | 4.97 | 121,097 |
| Countries with Z | 0 | - | 4.98 | 241,754 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,266 |
| Countries That End in U | 0 | - | 4.94 | 106,568 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.96 | 87,969 |
| Countries that End in O | 0 | - | 4.92 | 146,205 |
| Countries that End in R | 0 | - | 4.85 | 95,986 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,761 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,311 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,730 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,470 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,397 |
| Countries That End in Y | 0 | - | 4.90 | 160,726 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,473 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,669 |
| Countries that End in I | 0 | - | 4.92 | 114,097 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,260 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,740 |
| Countries That End in NIA | 0 | - | 4.93 | 100,238 |
| Countries That End in BIA | 0 | - | 4.91 | 125,218 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,263 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,937 |
| Countries That End in RIA | 0 | - | 4.89 | 100,388 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,645 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,389 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,493 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,286 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,206 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,426 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,793 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,297 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,636 |
| Countries that End in L | 0 | - | 4.95 | 133,245 |
| "Land" Countries | 0 | - | 4.98 | 287,677 |
