| Countries by Three Words #2 | 0 | - | 4.97 | 202,016 |
| Countries by Three Words #1 | 0 | - | 4.95 | 265,203 |
| European Countries by Clue | 0 | - | 4.92 | 183,533 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,948 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,843 |
| The Only American Country ... | 0 | - | 4.92 | 121,461 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,992 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,008 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,284 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,871 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,489 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,362,343 |
| Landlocked Countries | 0 | - | 4.99 | 419,339 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,292 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,904 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,508 |
| Countries by Three Words #4 | 0 | - | 4.45 | 100,618 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,637 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,949 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,739 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,914 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,916 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,898 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,809 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,480 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,937 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,250 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,157 |
| Himalayan Countries | 0 | - | 4.95 | 137,583 |
| Andean Countries | 0 | - | 4.95 | 84,027 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,283 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,764 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,897 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,399 |
| Danube Countries | 0 | - | 4.97 | 71,704 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,614 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,101 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,720 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,796 |
| European Landlocked Countries | 0 | - | 4.99 | 146,814 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,185 |
| Countries with the Most Species | 0 | - | 4.99 | 102,957 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,331 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,439 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,598 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,335 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,010 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,402 |
| Countries in the Alps | 0 | - | 4.87 | 117,752 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,184 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,448 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,447 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,039 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,150 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,746 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,329 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,225 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,989 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,587 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,507 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,357 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,962 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,221 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,246 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,266 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,089 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,591 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,594 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,557 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,326 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,018 |
| Largest Countries By Category | 0 | - | 4.97 | 157,710 |
| Countries by Countries | 0 | - | 4.96 | 62,879 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,267 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,688 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,368 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,345 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,707 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,323 |
| Island Countries | 0 | - | 4.99 | 709,928 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,488 |
| Northernmost Countries | 0 | - | 4.99 | 360,654 |
| Countries of South America | 0 | - | 5.00 | 923,460 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,843 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,619 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,428 |
| "Land" Countries | 0 | - | 4.98 | 335,894 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,591 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 70,325 |
| Countries by a Single Clue #9 | 0 | - | 4.37 | 73,105 |
| Countries by a Single Word | 0 | - | 4.69 | 28,782 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,137 |
| Countries with Megacities | 0 | - | 4.99 | 261,510 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,997 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,056 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,281 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,085 |
| Countries by Official Language | 0 | - | 4.95 | 194,708 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,639 |
| Countries in their Native Language | 0 | - | 4.99 | 198,257 |
| Independence from Whom | 0 | - | 4.99 | 211,413 |
| Subdivisions by Country | 0 | - | 4.86 | 50,299 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,784 |
| Megadiverse Countries | 0 | - | 4.96 | 134,794 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,596 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,205 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,769 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,030 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,751 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,405 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,036 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,865 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,508 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,000 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,081 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,740 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,014 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,803 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,173 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,344 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,300 |
| World Map Quiz | 0 | - | 4.81 | 64,653 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,779 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,069 |
| Countries by Founding Story | 0 | - | 4.95 | 77,104 |
| Countries by Road Signs | 0 | - | 4.98 | 53,693 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,594 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,979 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,695 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,439 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,568 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,719 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,864 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,296 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,325 |
| Widest Countries East to West | 0 | - | 4.92 | 129,414 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,392 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,997 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,011 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,549 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,269 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,589 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,252 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,732 |
| Countries with Double Letters | 0 | - | 4.97 | 95,155 |
| Countries that End in N | 0 | - | 4.95 | 170,120 |
| Countries with Five Letters | 0 | - | 4.96 | 280,635 |
| Countries with Six Letters | 0 | - | 4.94 | 212,571 |
| Countries with W | 0 | - | 4.97 | 159,558 |
| Countries with Z | 0 | - | 4.98 | 289,896 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,807 |
| Countries That End in U | 0 | - | 4.95 | 120,429 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,815 |
| Countries that End in O | 0 | - | 4.92 | 159,217 |
| Countries that End in R | 0 | - | 4.87 | 118,750 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,527 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,396 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,154 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,110 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,703 |
| Countries That End in Y | 0 | - | 4.91 | 185,657 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,290 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,470 |
| Countries that End in I | 0 | - | 4.94 | 134,889 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,145 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,597 |
| Countries That End in NIA | 0 | - | 4.92 | 109,539 |
| Countries That End in BIA | 0 | - | 4.93 | 148,874 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,767 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,094 |
| Countries That End in RIA | 0 | - | 4.93 | 126,561 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,670 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,806 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,280 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,655 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,186 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,354 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,707 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,278 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,168 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,216 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,875 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,579 |
| Countries that End in L | 0 | - | 4.94 | 156,565 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,191 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,160 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,859 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,743 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,801 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,861 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,232 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,673 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,174 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,673 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,610 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,968 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,609 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,692 |
