| Majority Muslim Countries | 0 | - | 4.97 | 317,906 |
| Top Five Countries by Religion | 0 | - | 4.91 | 146,642 |
| Countries with the Most Christians | 0 | - | 4.93 | 124,687 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,912 |
| Catholic Countries Quiz | 0 | - | 4.82 | 200,216 |
| Countries with the Most Catholics | 0 | - | 4.91 | 95,842 |
| Orthodox Countries | 0 | - | 4.91 | 119,590 |
| Countries with the Most Muslims | 0 | - | 4.95 | 147,669 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 100,488 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,832,727 |
| NATO Countries Quiz | 0 | - | 4.98 | 242,113 |
| EU Countries Quiz | 0 | - | 4.99 | 231,731 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 229,648 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 235,237 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 128,590 |
| Countries with NO Military | 0 | - | 4.96 | 51,093 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,907 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,257 |
| Countries with the Most Tanks | 0 | - | 4.87 | 76,845 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,810 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,576 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,181,184 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 86,446 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,235,062 |
| Members of the Arab League | 0 | - | 4.86 | 66,606 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,756 |
| Himalayan Countries | 0 | - | 4.94 | 108,697 |
| Andean Countries | 0 | - | 4.91 | 60,385 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,559 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,976 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,607 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,923 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,357 |
| Danube Countries | 0 | - | 4.96 | 57,284 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,280 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,342 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,839 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,511 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,167 |
| European Landlocked Countries | 0 | - | 4.99 | 137,288 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,922 |
| Countries with the Most Species | 0 | - | 4.99 | 90,088 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,455 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,062 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,353 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,142 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,933 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,167 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,002 |
| Countries in the Alps | 0 | - | 4.84 | 103,985 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,561 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,777 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,366 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,475 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,993 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,424 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,647 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,833 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,747 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,486 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,248 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,077 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,065 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,666 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,750 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,323 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,811 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,025 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,120 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,243 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,684 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,893 |
| Largest Countries By Category | 0 | - | 4.97 | 146,568 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,764 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,487 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,256 |
| Island Countries Quiz | 0 | - | 4.99 | 669,360 |
| Sharia Law Countries | 0 | - | 4.47 | 59,375 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 35,527 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,828 |
| Northernmost Countries | 0 | - | 4.99 | 331,187 |
| Countries of South America | 0 | - | 5.00 | 811,463 |
| Countries of Oceania | 0 | - | 5.00 | 915,366 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,614,738 |
| Countries that Start with A | 0 | - | 4.98 | 1,978,485 |
| Countries that Start with B | 0 | - | 4.95 | 2,117,580 |
| Countries that Start with C | 0 | - | 4.96 | 1,676,220 |
| Countries that Start with D | 0 | - | 4.96 | 612,095 |
| Countries that Start with E | 0 | - | 4.95 | 1,255,726 |
| Countries that Start with G | 0 | - | 4.97 | 1,375,710 |
| Countries that Start with H | 0 | - | 4.96 | 522,214 |
| Countries that Start with I | 0 | - | 4.92 | 1,183,314 |
| Countries that Start with J | 0 | - | 4.98 | 524,447 |
| Countries that Start with K | 0 | - | 4.96 | 730,583 |
| Countries that Start with L | 0 | - | 4.98 | 990,989 |
| Countries that Start with N | 0 | - | 4.93 | 1,017,327 |
| Countries that Start with P | 0 | - | 4.95 | 1,119,761 |
| Countries that Start with S | 0 | - | 4.98 | 1,629,617 |
| Countries that Start with T | 0 | - | 4.89 | 928,110 |
| Countries that Start with U | 0 | - | 4.97 | 836,134 |
| Countries that Start with V | 0 | - | 4.98 | 559,809 |
| Countries that Start with F | 0 | - | 4.84 | 550,664 |
| Countries that Start with M | 0 | - | 4.97 | 1,274,608 |
| Richest Island Countries | 0 | - | 4.86 | 89,719 |
| Monarchies of Europe | 0 | - | 4.89 | 88,317 |
| Monarchies of Asia | 0 | - | 4.95 | 54,875 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,344 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 285,478 |
| Countries with the Most Exports | 0 | - | 4.96 | 140,785 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 174,613 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,788 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,576 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 242,485 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 91,705 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 68,182 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 179,697 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,998 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,287 |
| Countries with Megacities | 0 | - | 4.99 | 202,177 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,650 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,102 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,449 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,051 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,487 |
| Countries by Official Language | 0 | - | 4.96 | 175,431 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,836 |
| Countries in their Native Language | 0 | - | 4.98 | 180,801 |
| Independence from Whom | 0 | - | 4.99 | 189,660 |
| Subdivisions by Country | 0 | - | 4.85 | 46,936 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,841 |
| Megadiverse Countries | 0 | - | 4.96 | 126,886 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,106 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,670 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,863 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,472 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,791 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,103 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,773 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,881 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,203 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,326 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,591 |
| Countries Furthest from the United States | 0 | - | 4.94 | 73,014 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,560 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,150 |
| Richest Countries A-Z | 0 | - | 4.92 | 90,326 |
| Large Countries with Small Economies | 0 | - | 4.94 | 74,587 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,833 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,967 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,942 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,319 |
| Countries With the Most Languages | 0 | - | 4.90 | 178,060 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,773 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,182 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 88,411 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,186 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,679 |
| Widest Countries East to West | 0 | - | 4.93 | 120,650 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,141 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,686 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,898 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,468 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,941 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,755 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,586 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,821 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,442 |
| Countries with Double Letters | 0 | - | 4.96 | 72,367 |
| Countries that End in N | 0 | - | 4.94 | 136,636 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,425 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 191,020 |
| Countries with W | 0 | - | 4.96 | 126,121 |
| Countries with Z | 0 | - | 4.98 | 265,151 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,992 |
| Countries That End in U | 0 | - | 4.95 | 109,710 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,761 |
| Countries that End in O | 0 | - | 4.92 | 148,883 |
| Countries that End in R | 0 | - | 4.85 | 97,463 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,413 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,475 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,879 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,821 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,761 |
| Countries That End in Y | 0 | - | 4.92 | 177,051 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,154 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,573 |
| Countries that End in I | 0 | - | 4.92 | 115,294 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,788 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,470 |
| Countries That End in NIA | 0 | - | 4.92 | 101,911 |
| Countries That End in BIA | 0 | - | 4.91 | 127,433 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,300 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,079 |
| Countries That End in RIA | 0 | - | 4.90 | 101,997 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,892 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,951 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,785 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,950 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,488 |
