| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,417 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,861 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,959 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,415 |
| Closest Capital City Pairs #1 | 0 | - | 4.96 | 66,712 |
| Closest Capital City Pairs #2 | 0 | - | 4.94 | 63,364 |
| Boundary Waters | 0 | - | 4.93 | 82,038 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,441 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 105,541 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 231,132 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 182,317 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.90 | 71,772 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 65,481 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.90 | 55,618 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,801 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,613 |
| Countries With the Most Neighbors | 0 | - | 4.44 | 86,145 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,783,310 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,296 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,874 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,597 |
| Members of the Arab League | 0 | - | 4.86 | 66,402 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,574 |
| Himalayan Countries | 0 | - | 4.94 | 108,523 |
| Andean Countries | 0 | - | 4.91 | 60,270 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,435 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,889 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,515 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,872 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,293 |
| Danube Countries | 0 | - | 4.96 | 57,246 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,255 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,315 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,753 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,441 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,081 |
| European Landlocked Countries | 0 | - | 4.99 | 137,242 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,851 |
| Countries with the Most Species | 0 | - | 4.99 | 89,869 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,382 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,035 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,329 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,091 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,902 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,146 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,957 |
| Countries in the Alps | 0 | - | 4.84 | 103,910 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,474 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,606 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,311 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,409 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,930 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,378 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,579 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,793 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,715 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,443 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,206 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,046 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,606 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,701 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,272 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,652 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,984 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,076 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,783 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,498 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,856 |
| Largest Countries By Category | 0 | - | 4.97 | 146,487 |
| Countries by Countries | 0 | - | 4.95 | 55,645 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,228 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,670 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,318 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,732 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,577 |
| Who Controls It? #1 | 0 | - | 4.82 | 45,889 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,365 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,916 |
| Longest International Borders | 0 | - | 4.99 | 236,719 |
| Countries with Three Borders | 0 | - | 4.96 | 32,152 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,896 |
| Demonym of Every Country | 0 | - | 4.91 | 50,849 |
| Nearest Major City #1 | 0 | - | 4.49 | 22,752 |
| Closest City Pairs #2 | 0 | - | 4.56 | 28,070 |
| Closest City Pairs #1 | 0 | - | 4.46 | 23,726 |
| World Capitals Quiz | 0 | - | 5.00 | 4,578,433 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,174,452 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,230,576 |
| Countries Closest to the Equator A-Z | 0 | - | 4.56 | 35,603 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,409,088 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,221 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,831 |
| Island Countries Quiz | 0 | - | 4.99 | 668,867 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,894 |
| Northernmost Countries | 0 | - | 4.99 | 330,998 |
| Countries of South America | 0 | - | 5.00 | 810,354 |
| Countries of Oceania | 0 | - | 5.00 | 914,226 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,612,381 |
| Top World Languages | 0 | - | 4.92 | 723,715 |
| Analogies of Countries #1 | 0 | - | 4.87 | 63,471 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,894 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,652 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,825 |
| World Map Divided into Regions | 0 | - | 4.18 | 36,395 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,923 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,102 |
| Countries with Megacities | 0 | - | 4.99 | 201,936 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,456 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,991 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,297 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,930 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,168 |
| Nearest Major City #2 | 0 | - | 4.14 | 15,570 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,941 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,053 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,929 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,646 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,302 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,280 |
| Countries by Capital City | 0 | - | 4.99 | 51,542 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,215 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,217 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,442 |
| Moved Capital Cities | 0 | - | 4.96 | 67,984 |
| Countries by Official Language | 0 | - | 4.96 | 175,295 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,360 |
| Countries in their Native Language | 0 | - | 4.98 | 180,645 |
| Independence from Whom | 0 | - | 4.99 | 189,442 |
| Subdivisions by Country | 0 | - | 4.84 | 46,907 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,684 |
| Megadiverse Countries | 0 | - | 4.96 | 126,828 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,970 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,606 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,837 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,381 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,907 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,676 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,053 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,740 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,099 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,283 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,495 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,045 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,614 |
| World Map Quiz | 0 | - | 4.90 | 51,499 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,757 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,821 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,858 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,120 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,826 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,709 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,104 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,328 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,115 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,602 |
| Widest Countries East to West | 0 | - | 4.93 | 120,571 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,124 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,567 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,846 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,426 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,875 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,672 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,499 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,804 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,420 |
| Countries with Double Letters | 0 | - | 4.96 | 71,852 |
| Countries that End in N | 0 | - | 4.94 | 136,031 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,912 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,601 |
| Countries with W | 0 | - | 4.96 | 125,693 |
| Countries with Z | 0 | - | 4.98 | 264,722 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,707 |
| Countries That End in U | 0 | - | 4.95 | 109,354 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,406 |
| Countries that End in O | 0 | - | 4.92 | 148,664 |
| Countries that End in R | 0 | - | 4.85 | 97,325 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,218 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,213 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,723 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,714 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,655 |
| Countries That End in Y | 0 | - | 4.90 | 162,428 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,019 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,402 |
| Countries that End in I | 0 | - | 4.92 | 115,206 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,657 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,398 |
| Countries That End in NIA | 0 | - | 4.92 | 101,831 |
| Countries That End in BIA | 0 | - | 4.91 | 127,328 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,181 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,989 |
| Countries That End in RIA | 0 | - | 4.90 | 101,903 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,782 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,659 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,645 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,783 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,326 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,916 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,858 |
