| Countries by Three Words #2 | 0 | - | 4.97 | 202,430 |
| Countries by Three Words #1 | 0 | - | 4.95 | 265,424 |
| European Countries by Clue | 0 | - | 4.92 | 183,630 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 101,024 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| The Only American Country ... | 0 | - | 4.92 | 121,595 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,119 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,067 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,358 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,952 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,574 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,448,847 |
| Landlocked Countries | 0 | - | 4.99 | 420,357 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,341 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,955 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,647 |
| Countries by Three Words #4 | 0 | - | 4.45 | 100,747 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,700 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 95,024 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,796 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,954 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,962 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,944 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,835 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,515 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,972 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,716 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,644 |
| Himalayan Countries | 0 | - | 4.95 | 138,042 |
| Andean Countries | 0 | - | 4.95 | 84,236 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,461 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,288 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,098 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,542 |
| Danube Countries | 0 | - | 4.97 | 71,813 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,765 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,209 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,940 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,388 |
| European Landlocked Countries | 0 | - | 4.99 | 146,950 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,355 |
| Countries with the Most Species | 0 | - | 4.99 | 103,075 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,516 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,494 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,653 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,432 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,497 |
| Countries in the Alps | 0 | - | 4.87 | 117,945 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,123 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,673 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,540 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,436 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,285 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,326 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,067 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,695 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,560 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,417 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,058 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,339 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,353 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,494 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,168 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,680 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,788 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,101 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,629 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,099 |
| Largest Countries By Category | 0 | - | 4.97 | 157,905 |
| Countries by Countries | 0 | - | 4.97 | 63,001 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,441 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,505 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,791 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,179 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,006 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,159 |
| Island Countries | 0 | - | 4.99 | 710,332 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,706 |
| Northernmost Countries | 0 | - | 4.99 | 361,174 |
| Countries of South America | 0 | - | 5.00 | 924,918 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,815 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,483 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,482 |
| "Land" Countries | 0 | - | 4.98 | 336,175 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,330 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 70,356 |
| Countries by a Single Clue #9 | 0 | - | 4.37 | 73,135 |
| Countries by a Single Word | 0 | - | 4.69 | 28,811 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,436 |
| Countries with Megacities | 0 | - | 4.99 | 263,275 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,270 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,229 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,268 |
| Countries by Official Language | 0 | - | 4.95 | 194,914 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,922 |
| Countries in their Native Language | 0 | - | 4.99 | 198,439 |
| Independence from Whom | 0 | - | 4.99 | 211,684 |
| Subdivisions by Country | 0 | - | 4.86 | 50,355 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,959 |
| Megadiverse Countries | 0 | - | 4.96 | 134,871 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,770 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,252 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,841 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,897 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,471 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,197 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,930 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,557 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,035 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,323 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,787 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,087 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,861 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,251 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,409 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,624 |
| World Map Quiz | 0 | - | 4.81 | 64,846 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,354 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,179 |
| Countries by Founding Story | 0 | - | 4.95 | 77,207 |
| Countries by Road Signs | 0 | - | 4.98 | 53,817 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,765 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,080 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,821 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,746 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,700 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,835 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,972 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,347 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,423 |
| Widest Countries East to West | 0 | - | 4.92 | 129,492 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,153 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,057 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,633 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,401 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,695 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,307 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,760 |
| Countries with Double Letters | 0 | - | 4.97 | 95,375 |
| Countries that End in N | 0 | - | 4.95 | 170,407 |
| Countries with Five Letters | 0 | - | 4.96 | 281,327 |
| Countries with Six Letters | 0 | - | 4.94 | 212,824 |
| Countries with W | 0 | - | 4.97 | 159,721 |
| Countries with Z | 0 | - | 4.98 | 290,624 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,980 |
| Countries That End in U | 0 | - | 4.95 | 120,521 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,996 |
| Countries that End in O | 0 | - | 4.92 | 159,289 |
| Countries that End in R | 0 | - | 4.87 | 118,806 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,574 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,602 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,326 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,220 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,831 |
| Countries That End in Y | 0 | - | 4.91 | 185,723 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,531 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,603 |
| Countries that End in I | 0 | - | 4.94 | 134,952 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,723 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,668 |
| Countries That End in NIA | 0 | - | 4.92 | 109,627 |
| Countries That End in BIA | 0 | - | 4.93 | 148,981 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,881 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,205 |
| Countries That End in RIA | 0 | - | 4.93 | 126,645 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,775 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,088 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,409 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,801 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,338 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,415 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,797 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,358 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,298 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,287 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,000 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,715 |
| Countries that End in L | 0 | - | 4.94 | 156,654 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,775 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,190 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,910 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,823 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,874 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,413 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,390 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,806 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,330 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,835 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,712 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,017 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,641 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,760 |
