| Countries by Clue #2 | 0 | - | 4.92 | 147,060 |
| Countries by Clue #1 | 0 | - | 4.93 | 219,251 |
| European Countries by Clue | 0 | - | 4.93 | 170,772 |
| Countries by a Single Clue #5 | 0 | - | 4.90 | 90,181 |
| The Only American Country ... | 0 | - | 4.94 | 109,547 |
| Five Countries by a Single Word by Continent | 0 | - | 4.89 | 65,552 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,949 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 70,244 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,476 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 66,689 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,835,803 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 322,597 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.92 | 61,030 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.90 | 53,326 |
| Countries by Clue #3 | 0 | - | 4.76 | 90,629 |
| Countries by Clue #5 | 0 | - | 4.48 | 45,567 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 93,414 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 88,137 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 80,889 |
| Countries by a Single Clue #4 | 0 | - | 4.48 | 71,787 |
| Countries by a Single Clue #6 | 0 | - | 4.47 | 81,012 |
| Countries by a Single Clue #8 | 0 | - | 4.46 | 88,911 |
| Countries by a Single Clue #10 | 0 | - | 4.57 | 63,438 |
| Countries by a Single Clue #11 | 0 | - | 4.66 | 71,194 |
| Countries by a Single Clue #12 | 0 | - | 4.47 | 62,093 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,060,969 |
| Members of the Arab League | 0 | - | 4.85 | 61,455 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,550 |
| Himalayan Countries | 0 | - | 4.94 | 104,441 |
| Andean Countries | 0 | - | 4.91 | 57,882 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,812 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,181 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,514 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,957 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,205 |
| Danube Countries | 0 | - | 4.97 | 56,577 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,611 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,788 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,006 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,225 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,998 |
| European Landlocked Countries | 0 | - | 4.99 | 115,053 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,210 |
| Countries with the Most Species | 0 | - | 4.99 | 89,332 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,253 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,634 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,967 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,167 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,352 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,638 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,055 |
| Countries in the Alps | 0 | - | 4.83 | 102,477 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,170 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,816 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,485 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,137 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,830 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,438 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,511 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,070 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,256 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,552 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,319 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,520 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,610 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,362 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,858 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,352 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,714 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,265 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,300 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,521 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,563 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,208 |
| Largest Countries By Category | 0 | - | 4.96 | 144,686 |
| Countries by Countries | 0 | - | 4.96 | 54,529 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,143 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,631 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,003 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,495 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,729 |
| Island Countries Quiz | 0 | - | 4.99 | 659,615 |
| Biggest Countries by Area | 0 | - | 5.00 | 931,504 |
| Northernmost Countries | 0 | - | 4.99 | 326,763 |
| Countries of South America | 0 | - | 5.00 | 791,312 |
| Countries of Oceania | 0 | - | 5.00 | 891,247 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,143,080 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,568,164 |
| Countries Ending in "IA" by Clue | 0 | - | 4.79 | 65,795 |
| Countries by Clue #4 | 0 | - | 4.39 | 68,593 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 65,787 |
| Countries by a Single Clue #9 | 0 | - | 4.38 | 68,642 |
| Countries by a Single Word | 0 | - | 4.63 | 26,576 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,546 |
| Countries with Megacities | 0 | - | 4.99 | 196,721 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,127 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,710 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,029 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,675 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,364 |
| Countries by Official Language | 0 | - | 4.95 | 162,147 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,621 |
| Countries in their Native Language | 0 | - | 4.98 | 177,929 |
| Independence from Whom | 0 | - | 4.99 | 185,213 |
| Subdivisions by Country | 0 | - | 4.82 | 46,389 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,209 |
| Megadiverse Countries | 0 | - | 4.96 | 125,211 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,016 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,583 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,327 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,412 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,065 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,683 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,010 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,967 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,296 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,646 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,513 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,916 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,917 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,458 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,173 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 81,817 |
| World Map Quiz | 0 | - | 4.90 | 49,138 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 112,888 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,344 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,448 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,752 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,845 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,206 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,200 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,455 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,138 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,810 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,322 |
| Widest Countries East to West | 0 | - | 4.93 | 119,246 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,791 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,864 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,587 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,303 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,715 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,051 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,417 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,020 |
| Countries with Double Letters | 0 | - | 4.96 | 68,048 |
| Countries that End in N | 0 | - | 4.93 | 132,403 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,391 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,763 |
| Countries with W | 0 | - | 4.97 | 122,518 |
| Countries with Z | 0 | - | 4.98 | 244,109 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,371 |
| Countries That End in U | 0 | - | 4.95 | 107,428 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,211 |
| Countries that End in O | 0 | - | 4.92 | 146,817 |
| Countries that End in R | 0 | - | 4.86 | 96,396 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,171 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,065 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,611 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,116 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,161 |
| Countries That End in Y | 0 | - | 4.90 | 161,576 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,820 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,618 |
| Countries that End in I | 0 | - | 4.92 | 114,439 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,377 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,190 |
| Countries That End in NIA | 0 | - | 4.93 | 100,749 |
| Countries That End in BIA | 0 | - | 4.91 | 125,951 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,106 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,619 |
| Countries That End in RIA | 0 | - | 4.90 | 100,867 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,323 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,409 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,506 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,391 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,202 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,127 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,596 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,748 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,565 |
| Countries that End in L | 0 | - | 4.95 | 134,173 |
| "Land" Countries | 0 | - | 4.98 | 288,974 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,646 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,162 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,189 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,109 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,507 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,613 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 165,771 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,334 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,592 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,663 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,753 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,823 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 92,000 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,235 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,958 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,672 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,997 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,058,533 |
