| Countries by Clue #2 | 0 | - | 4.92 | 150,587 |
| Countries by Clue #1 | 0 | - | 4.93 | 223,640 |
| European Countries by Clue | 0 | - | 4.94 | 173,358 |
| Countries by a Single Clue #5 | 0 | - | 4.90 | 92,777 |
| The Only American Country ... | 0 | - | 4.94 | 111,735 |
| Five Countries by a Single Word by Continent | 0 | - | 4.90 | 67,971 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 69,905 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 71,224 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 90,836 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 67,741 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,857,707 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,503 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.92 | 61,767 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.90 | 53,961 |
| Countries by Clue #3 | 0 | - | 4.72 | 92,291 |
| Countries by Clue #5 | 0 | - | 4.48 | 46,453 |
| Countries by a Single Clue #1 | 0 | - | 4.76 | 95,634 |
| Countries by a Single Clue #2 | 0 | - | 4.50 | 90,056 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 82,547 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 73,234 |
| Countries by a Single Clue #6 | 0 | - | 4.47 | 82,663 |
| Countries by a Single Clue #8 | 0 | - | 4.47 | 90,588 |
| Countries by a Single Clue #10 | 0 | - | 4.58 | 64,891 |
| Countries by a Single Clue #11 | 0 | - | 4.57 | 73,012 |
| Countries by a Single Clue #12 | 0 | - | 4.47 | 75,323 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,184,325 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,237,490 |
| Members of the Arab League | 0 | - | 4.86 | 66,700 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,831 |
| Himalayan Countries | 0 | - | 4.94 | 108,764 |
| Andean Countries | 0 | - | 4.91 | 60,421 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,621 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 51,018 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,651 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,939 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,391 |
| Danube Countries | 0 | - | 4.96 | 57,303 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,301 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,359 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,876 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,539 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,215 |
| European Landlocked Countries | 0 | - | 4.99 | 137,304 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,961 |
| Countries with the Most Species | 0 | - | 4.99 | 90,105 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,489 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,070 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,366 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,159 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,955 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,182 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,022 |
| Countries in the Alps | 0 | - | 4.84 | 104,020 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,587 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,856 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,386 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,492 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 95,015 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,449 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,840 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,757 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,506 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,267 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,087 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,075 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,684 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,774 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,348 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,877 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,046 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,138 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,441 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,779 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,914 |
| Largest Countries By Category | 0 | - | 4.97 | 146,614 |
| Countries by Countries | 0 | - | 4.95 | 55,731 |
| Country Flags with the Most White | 0 | - | 4.91 | 126,758 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,274 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,798 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,623 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,503 |
| Island Countries Quiz | 0 | - | 4.99 | 669,596 |
| Biggest Countries by Area | 0 | - | 5.00 | 949,203 |
| Northernmost Countries | 0 | - | 4.99 | 331,259 |
| Countries of South America | 0 | - | 5.00 | 811,928 |
| Countries of Oceania | 0 | - | 5.00 | 915,972 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,615,828 |
| Countries Ending in "IA" by Clue | 0 | - | 4.79 | 66,713 |
| Countries by Clue #4 | 0 | - | 4.39 | 69,648 |
| Countries by a Single Clue #7 | 0 | - | 4.38 | 67,182 |
| Countries by a Single Clue #9 | 0 | - | 4.36 | 70,105 |
| Countries by a Single Word | 0 | - | 4.60 | 27,062 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,367 |
| Countries with Megacities | 0 | - | 4.99 | 202,286 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,739 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,154 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,526 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,114 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,643 |
| Countries by Official Language | 0 | - | 4.96 | 175,503 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,963 |
| Countries in their Native Language | 0 | - | 4.98 | 180,853 |
| Independence from Whom | 0 | - | 4.99 | 189,740 |
| Subdivisions by Country | 0 | - | 4.85 | 46,959 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,902 |
| Megadiverse Countries | 0 | - | 4.96 | 126,908 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,165 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,697 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,875 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,519 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,984 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,828 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,115 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,788 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,893 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,255 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,349 |
| Countries Furthest from the United States | 0 | - | 4.94 | 73,047 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,586 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,481 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,106 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 87,032 |
| World Map Quiz | 0 | - | 4.90 | 51,714 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 119,113 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,862 |
| Southernmost Countries of the World | 0 | - | 4.99 | 210,029 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,993 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,369 |
| Countries With the Most Languages | 0 | - | 4.90 | 178,154 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,802 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,221 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 88,457 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,206 |
| Tallest Countries North to South | 0 | - | 4.84 | 111,710 |
| Widest Countries East to West | 0 | - | 4.93 | 120,680 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,155 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,732 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,931 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,481 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,969 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,775 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,628 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,833 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,453 |
| Countries with Double Letters | 0 | - | 4.96 | 72,644 |
| Countries that End in N | 0 | - | 4.93 | 136,890 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,658 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 191,197 |
| Countries with W | 0 | - | 4.97 | 126,293 |
| Countries with Z | 0 | - | 4.98 | 265,350 |
| Countries with Letters Missing | 0 | - | 4.97 | 170,145 |
| Countries That End in U | 0 | - | 4.95 | 109,870 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,965 |
| Countries that End in O | 0 | - | 4.92 | 148,974 |
| Countries that End in R | 0 | - | 4.85 | 97,528 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,473 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,591 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,948 |
| Countries by Last Two Letters | 0 | - | 4.89 | 117,872 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,811 |
| Countries That End in Y | 0 | - | 4.92 | 177,932 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,224 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,779 |
| Countries that End in I | 0 | - | 4.92 | 115,335 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,858 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,512 |
| Countries That End in NIA | 0 | - | 4.92 | 101,949 |
| Countries That End in BIA | 0 | - | 4.91 | 127,489 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,361 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,107 |
| Countries That End in RIA | 0 | - | 4.90 | 102,028 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,937 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 205,205 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,910 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 113,059 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,551 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 42,913 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,975 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,329 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,801 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,245 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,695 |
| Countries that End in L | 0 | - | 4.95 | 136,025 |
| "Land" Countries | 0 | - | 4.98 | 292,607 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,470 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,950 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,483 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,155 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,748 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,369 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 171,231 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,971 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 135,089 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,665 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,720 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,685 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,412 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,352 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,476 |
