| Countries by Clue #1 | 0 | - | 4.93 | 223,440 |
| European Countries by Clue | 0 | - | 4.94 | 173,253 |
| Countries by a Single Clue #5 | 0 | - | 4.90 | 92,707 |
| The Only American Country ... | 0 | - | 4.94 | 111,616 |
| Five Countries by a Single Word by Continent | 0 | - | 4.90 | 67,860 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 69,848 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 71,168 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 90,770 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 67,706 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,797,850 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,797 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.92 | 61,728 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.90 | 53,920 |
| Countries by Clue #3 | 0 | - | 4.75 | 92,227 |
| Countries by Clue #5 | 0 | - | 4.48 | 46,422 |
| Countries by a Single Clue #1 | 0 | - | 4.76 | 95,574 |
| Countries by a Single Clue #2 | 0 | - | 4.50 | 90,009 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 82,496 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 73,192 |
| Countries by a Single Clue #6 | 0 | - | 4.47 | 82,614 |
| Countries by a Single Clue #8 | 0 | - | 4.47 | 90,533 |
| Countries by a Single Clue #10 | 0 | - | 4.58 | 64,849 |
| Countries by a Single Clue #11 | 0 | - | 4.57 | 72,970 |
| Countries by a Single Clue #12 | 0 | - | 4.47 | 75,270 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,176,446 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,231,756 |
| Members of the Arab League | 0 | - | 4.86 | 66,458 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,631 |
| Himalayan Countries | 0 | - | 4.94 | 108,578 |
| Andean Countries | 0 | - | 4.91 | 60,309 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,478 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,912 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,544 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,886 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,309 |
| Danube Countries | 0 | - | 4.96 | 57,261 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,258 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,320 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,775 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,461 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,105 |
| European Landlocked Countries | 0 | - | 4.99 | 137,256 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,869 |
| Countries with the Most Species | 0 | - | 4.99 | 90,025 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,403 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,044 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,337 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,101 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,912 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,150 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,970 |
| Countries in the Alps | 0 | - | 4.84 | 103,939 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,494 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,658 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,325 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,422 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,947 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,393 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,592 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,806 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,728 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,457 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,225 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,057 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,047 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,624 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,717 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,699 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,994 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,093 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,901 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,867 |
| Largest Countries By Category | 0 | - | 4.97 | 146,511 |
| Countries by Countries | 0 | - | 4.95 | 55,666 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,623 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,239 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,160 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,699 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,295 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,969 |
| Island Countries Quiz | 0 | - | 4.99 | 669,021 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,143 |
| Northernmost Countries | 0 | - | 4.99 | 331,053 |
| Countries of South America | 0 | - | 5.00 | 810,611 |
| Countries of Oceania | 0 | - | 5.00 | 914,530 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,612,987 |
| Countries Ending in "IA" by Clue | 0 | - | 4.79 | 66,655 |
| Countries by Clue #4 | 0 | - | 4.39 | 69,606 |
| Countries by a Single Clue #7 | 0 | - | 4.38 | 67,135 |
| Countries by a Single Clue #9 | 0 | - | 4.36 | 70,062 |
| Countries by a Single Word | 0 | - | 4.60 | 27,029 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,151 |
| Countries with Megacities | 0 | - | 4.99 | 201,999 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,510 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,026 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,334 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,956 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,252 |
| Countries by Official Language | 0 | - | 4.96 | 175,328 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,611 |
| Countries in their Native Language | 0 | - | 4.98 | 180,694 |
| Independence from Whom | 0 | - | 4.99 | 189,502 |
| Subdivisions by Country | 0 | - | 4.84 | 46,922 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,726 |
| Megadiverse Countries | 0 | - | 4.96 | 126,846 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,016 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,619 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,848 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,403 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,922 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,712 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,064 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,752 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,869 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,109 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,289 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,974 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,512 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,427 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,062 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,684 |
| World Map Quiz | 0 | - | 4.90 | 51,556 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,713 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,784 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,867 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,883 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,236 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,890 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,723 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,121 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,359 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,138 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,626 |
| Widest Countries East to West | 0 | - | 4.93 | 120,601 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,134 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,600 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,861 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,898 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,695 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,520 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,811 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,426 |
| Countries with Double Letters | 0 | - | 4.96 | 72,067 |
| Countries that End in N | 0 | - | 4.94 | 136,297 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,127 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,785 |
| Countries with W | 0 | - | 4.96 | 125,862 |
| Countries with Z | 0 | - | 4.98 | 264,888 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,811 |
| Countries That End in U | 0 | - | 4.95 | 109,498 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,547 |
| Countries that End in O | 0 | - | 4.92 | 148,748 |
| Countries that End in R | 0 | - | 4.85 | 97,380 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,348 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,333 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,776 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,751 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,684 |
| Countries That End in Y | 0 | - | 4.90 | 172,005 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,064 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,442 |
| Countries that End in I | 0 | - | 4.92 | 115,242 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,699 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,412 |
| Countries That End in NIA | 0 | - | 4.92 | 101,854 |
| Countries That End in BIA | 0 | - | 4.91 | 127,364 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,219 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,015 |
| Countries That End in RIA | 0 | - | 4.90 | 101,930 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,813 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,732 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,684 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,829 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,369 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,948 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,883 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,206 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,717 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,127 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,550 |
| Countries that End in L | 0 | - | 4.95 | 135,894 |
| "Land" Countries | 0 | - | 4.98 | 292,422 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,339 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,906 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,401 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,101 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,659 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,182 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 171,093 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,861 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,971 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,487 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,621 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,639 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,352 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,303 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,407 |
