| Countries by Three Words #2 | 0 | - | 4.97 | 201,925 |
| Countries by Three Words #1 | 0 | - | 4.95 | 265,143 |
| European Countries by Clue | 0 | - | 4.92 | 183,505 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,922 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,831 |
| The Only American Country ... | 0 | - | 4.92 | 121,428 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,965 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,997 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,275 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,840 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,462 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,344,495 |
| Landlocked Countries | 0 | - | 4.99 | 419,109 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,283 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,896 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,479 |
| Countries by Three Words #4 | 0 | - | 4.44 | 100,591 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,618 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,938 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,728 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,903 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,895 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,877 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,801 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,470 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,926 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,668 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,052 |
| Himalayan Countries | 0 | - | 4.94 | 137,496 |
| Andean Countries | 0 | - | 4.95 | 83,974 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,249 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,708 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,859 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,369 |
| Danube Countries | 0 | - | 4.97 | 71,680 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,577 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,068 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,682 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,754 |
| European Landlocked Countries | 0 | - | 4.99 | 146,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,159 |
| Countries with the Most Species | 0 | - | 4.99 | 102,926 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,293 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,319 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,000 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,709 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,152 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,395 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,431 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,013 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,692 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,299 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,201 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,567 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,494 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,943 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,199 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,222 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,218 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,076 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,582 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,551 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,455 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,264 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,011 |
| Largest Countries By Category | 0 | - | 4.97 | 157,662 |
| Countries by Countries | 0 | - | 4.96 | 62,852 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,234 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,666 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,115 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,648 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,177 |
| Island Countries | 0 | - | 4.99 | 709,825 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,207 |
| Northernmost Countries | 0 | - | 4.99 | 360,545 |
| Countries of South America | 0 | - | 5.00 | 923,095 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,292 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,785 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,420 |
| "Land" Countries | 0 | - | 4.98 | 335,828 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,013 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 70,316 |
| Countries by a Single Clue #9 | 0 | - | 4.37 | 73,095 |
| Countries by a Single Word | 0 | - | 4.69 | 28,775 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,075 |
| Countries with Megacities | 0 | - | 4.99 | 260,781 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,931 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,017 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,205 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,033 |
| Countries by Official Language | 0 | - | 4.95 | 194,658 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,572 |
| Countries in their Native Language | 0 | - | 4.99 | 198,214 |
| Independence from Whom | 0 | - | 4.99 | 211,348 |
| Subdivisions by Country | 0 | - | 4.86 | 50,294 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,735 |
| Megadiverse Countries | 0 | - | 4.96 | 134,779 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,563 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,191 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,762 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,022 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,726 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,390 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,000 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,851 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,492 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,025 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,726 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,003 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,789 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,163 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,332 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,233 |
| World Map Quiz | 0 | - | 4.81 | 64,562 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,676 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,046 |
| Countries by Founding Story | 0 | - | 4.95 | 77,085 |
| Countries by Road Signs | 0 | - | 4.98 | 53,664 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,533 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,938 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,656 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,362 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,532 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,685 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,841 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,271 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,296 |
| Widest Countries East to West | 0 | - | 4.92 | 129,388 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,387 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,969 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,997 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,521 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,232 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,562 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,241 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Countries with Double Letters | 0 | - | 4.97 | 95,117 |
| Countries that End in N | 0 | - | 4.95 | 170,039 |
| Countries with Five Letters | 0 | - | 4.96 | 280,370 |
| Countries with Six Letters | 0 | - | 4.94 | 212,515 |
| Countries with W | 0 | - | 4.97 | 159,534 |
| Countries with Z | 0 | - | 4.98 | 289,840 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,765 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,773 |
| Countries that End in O | 0 | - | 4.92 | 159,208 |
| Countries that End in R | 0 | - | 4.87 | 118,739 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,518 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,358 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,130 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,094 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,679 |
| Countries That End in Y | 0 | - | 4.90 | 185,653 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,247 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,445 |
| Countries that End in I | 0 | - | 4.94 | 134,877 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,107 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,584 |
| Countries That End in NIA | 0 | - | 4.92 | 109,523 |
| Countries That End in BIA | 0 | - | 4.93 | 148,858 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,741 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,073 |
| Countries That End in RIA | 0 | - | 4.93 | 126,547 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,648 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,739 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,255 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,619 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,139 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,339 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,692 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,252 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,142 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,206 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,844 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,556 |
| Countries that End in L | 0 | - | 4.94 | 156,547 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,079 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,157 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,844 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,731 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,788 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,807 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,191 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,644 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,149 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,629 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,596 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,964 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,605 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,676 |
