| Countries by Clue #2 | 0 | - | 4.92 | 149,263 |
| European Countries by Clue | 0 | - | 4.93 | 172,473 |
| Countries by a Single Clue #5 | 0 | - | 4.90 | 92,002 |
| The Only American Country ... | 0 | - | 4.94 | 111,045 |
| Five Countries by a Single Word by Continent | 0 | - | 4.90 | 67,136 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 69,612 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 70,918 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 90,362 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 67,395 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,545,749 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 332,014 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.92 | 61,505 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.89 | 53,729 |
| Countries by Clue #3 | 0 | - | 4.75 | 91,678 |
| Countries by Clue #5 | 0 | - | 4.48 | 46,107 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 95,054 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 89,557 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 82,130 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 72,851 |
| Countries by a Single Clue #6 | 0 | - | 4.47 | 82,226 |
| Countries by a Single Clue #8 | 0 | - | 4.47 | 90,141 |
| Countries by a Single Clue #10 | 0 | - | 4.58 | 64,602 |
| Countries by a Single Clue #11 | 0 | - | 4.57 | 72,700 |
| Countries by a Single Clue #12 | 0 | - | 4.47 | 75,008 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,146,436 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,209,317 |
| Members of the Arab League | 0 | - | 4.85 | 65,342 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,480 |
| Himalayan Countries | 0 | - | 4.94 | 107,704 |
| Andean Countries | 0 | - | 4.91 | 59,777 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,853 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,519 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,910 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,683 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,017 |
| Danube Countries | 0 | - | 4.96 | 57,096 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,111 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,193 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,373 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,151 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,449 |
| European Landlocked Countries | 0 | - | 4.99 | 136,827 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,550 |
| Countries with the Most Species | 0 | - | 4.99 | 89,784 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,050 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,926 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,232 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,865 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,762 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,014 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,724 |
| Countries in the Alps | 0 | - | 4.84 | 103,558 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,166 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,863 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,092 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,173 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,689 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,152 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,313 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,615 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,608 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,223 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,908 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,929 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,352 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,498 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,056 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,903 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,795 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,879 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,773 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,708 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,695 |
| Largest Countries By Category | 0 | - | 4.97 | 146,074 |
| Countries by Countries | 0 | - | 4.96 | 55,356 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,751 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,082 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,017 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,246 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,784 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,676 |
| Island Countries Quiz | 0 | - | 4.99 | 666,576 |
| Biggest Countries by Area | 0 | - | 5.00 | 943,591 |
| Northernmost Countries | 0 | - | 4.99 | 330,122 |
| Countries of South America | 0 | - | 5.00 | 805,693 |
| Countries of Oceania | 0 | - | 5.00 | 908,196 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,601,018 |
| Countries Ending in "IA" by Clue | 0 | - | 4.79 | 66,427 |
| Countries by Clue #4 | 0 | - | 4.39 | 69,234 |
| Countries by a Single Clue #7 | 0 | - | 4.38 | 66,822 |
| Countries by a Single Clue #9 | 0 | - | 4.36 | 69,782 |
| Countries by a Single Word | 0 | - | 4.66 | 26,895 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,246 |
| Countries with Megacities | 0 | - | 4.99 | 200,714 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,467 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,366 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,547 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,366 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,668 |
| Countries by Official Language | 0 | - | 4.96 | 174,618 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 252,048 |
| Countries in their Native Language | 0 | - | 4.98 | 179,763 |
| Independence from Whom | 0 | - | 4.99 | 188,209 |
| Subdivisions by Country | 0 | - | 4.82 | 46,779 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,046 |
| Megadiverse Countries | 0 | - | 4.96 | 126,345 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,924 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,340 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,705 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,651 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,671 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,189 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,834 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,529 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,746 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,723 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,072 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,731 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,246 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,186 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,822 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 85,176 |
| World Map Quiz | 0 | - | 4.91 | 50,862 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 117,172 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,393 |
| Countries by Founding Story | 0 | - | 4.93 | 55,630 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,088 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,226 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,499 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,533 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,435 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,733 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,836 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,807 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,291 |
| Widest Countries East to West | 0 | - | 4.93 | 120,261 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,052 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,117 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,581 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,116 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,351 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,307 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,958 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,700 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,308 |
| Countries with Double Letters | 0 | - | 4.96 | 71,147 |
| Countries that End in N | 0 | - | 4.94 | 135,414 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,751 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,869 |
| Countries with W | 0 | - | 4.96 | 125,176 |
| Countries with Z | 0 | - | 4.98 | 263,455 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,233 |
| Countries That End in U | 0 | - | 4.95 | 109,085 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,817 |
| Countries that End in O | 0 | - | 4.92 | 148,376 |
| Countries that End in R | 0 | - | 4.85 | 97,160 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,902 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,414 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,285 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,404 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,337 |
| Countries That End in Y | 0 | - | 4.90 | 162,200 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,469 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 122,040 |
| Countries that End in I | 0 | - | 4.92 | 115,053 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,163 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,161 |
| Countries That End in NIA | 0 | - | 4.93 | 101,570 |
| Countries That End in BIA | 0 | - | 4.91 | 127,005 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,735 |
| Countries Whose Names Start with Saint | 0 | - | 4.89 | 110,660 |
| Countries That End in RIA | 0 | - | 4.90 | 101,668 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,377 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,689 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,136 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,208 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,785 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,518 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,785 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,461 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,615 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 42,014 |
| Countries that End in L | 0 | - | 4.95 | 135,532 |
| "Land" Countries | 0 | - | 4.98 | 291,741 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,839 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,173 |
| City to Country Quiz #1 | 0 | - | 4.94 | 135,072 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,824 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,321 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 210,309 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 169,585 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,449 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,391 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,700 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,949 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,411 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,036 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,039 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,131 |
