| Countries by Three Words #2 | 0 | - | 4.97 | 201,907 |
| Countries by Three Words #1 | 0 | - | 4.95 | 265,130 |
| European Countries by Clue | 0 | - | 4.92 | 183,502 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,917 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,829 |
| The Only American Country ... | 0 | - | 4.92 | 121,424 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,957 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,996 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,271 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,836 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,458 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,342,350 |
| Landlocked Countries | 0 | - | 4.99 | 419,077 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,280 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,895 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,471 |
| Countries by Three Words #4 | 0 | - | 4.44 | 100,585 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,616 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,936 |
| 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 | 86,894 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,874 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,801 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,469 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,924 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,487 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,038 |
| Himalayan Countries | 0 | - | 4.94 | 137,476 |
| Andean Countries | 0 | - | 4.95 | 83,965 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,242 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,694 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,852 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,366 |
| Danube Countries | 0 | - | 4.97 | 71,676 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,568 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,067 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,674 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,750 |
| European Landlocked Countries | 0 | - | 4.99 | 146,790 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,151 |
| Countries with the Most Species | 0 | - | 4.99 | 102,923 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,286 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,592 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,314 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,999 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,706 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,147 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,386 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,429 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,004 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,111 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,672 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,296 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,198 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,974 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,560 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,489 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,938 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,197 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,217 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,211 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,072 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,580 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,537 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,441 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,254 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,009 |
| Largest Countries By Category | 0 | - | 4.97 | 157,659 |
| Countries by Countries | 0 | - | 4.96 | 62,848 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,230 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,166 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,665 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,334 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,095 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,636 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,167 |
| Island Countries | 0 | - | 4.99 | 709,812 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,164 |
| Northernmost Countries | 0 | - | 4.99 | 360,529 |
| Countries of South America | 0 | - | 5.00 | 923,054 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,219 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,694 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,418 |
| "Land" Countries | 0 | - | 4.98 | 335,822 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,946 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 70,315 |
| Countries by a Single Clue #9 | 0 | - | 4.37 | 73,095 |
| Countries by a Single Word | 0 | - | 4.69 | 28,773 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,060 |
| Countries with Megacities | 0 | - | 4.99 | 260,616 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,924 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,199 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,023 |
| Countries by Official Language | 0 | - | 4.95 | 194,655 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,561 |
| Countries in their Native Language | 0 | - | 4.99 | 198,208 |
| Independence from Whom | 0 | - | 4.99 | 211,343 |
| Subdivisions by Country | 0 | - | 4.86 | 50,290 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,729 |
| Megadiverse Countries | 0 | - | 4.96 | 134,776 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,559 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,188 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,019 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,721 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,388 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,992 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,847 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,491 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,015 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,724 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,998 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,785 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,160 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,329 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,225 |
| World Map Quiz | 0 | - | 4.81 | 64,543 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,659 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,042 |
| Countries by Founding Story | 0 | - | 4.95 | 77,078 |
| Countries by Road Signs | 0 | - | 4.98 | 53,661 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,527 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,936 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,652 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,355 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,525 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,678 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,838 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,269 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,295 |
| Widest Countries East to West | 0 | - | 4.92 | 129,385 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,386 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,968 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,996 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,516 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,229 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,561 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,238 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Countries with Double Letters | 0 | - | 4.97 | 95,114 |
| Countries that End in N | 0 | - | 4.95 | 170,028 |
| Countries with Five Letters | 0 | - | 4.96 | 280,339 |
| Countries with Six Letters | 0 | - | 4.94 | 212,509 |
| Countries with W | 0 | - | 4.97 | 159,531 |
| Countries with Z | 0 | - | 4.98 | 289,831 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,762 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,769 |
| Countries that End in O | 0 | - | 4.92 | 159,203 |
| Countries that End in R | 0 | - | 4.87 | 118,738 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,517 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,352 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,122 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,094 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,676 |
| Countries That End in Y | 0 | - | 4.90 | 185,651 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,240 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,442 |
| Countries that End in I | 0 | - | 4.94 | 134,876 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,097 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,584 |
| Countries That End in NIA | 0 | - | 4.92 | 109,522 |
| Countries That End in BIA | 0 | - | 4.93 | 148,851 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,739 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,072 |
| Countries That End in RIA | 0 | - | 4.93 | 126,546 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,644 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,735 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,247 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,608 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,131 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,337 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,692 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,249 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,139 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,202 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,841 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,552 |
| Countries that End in L | 0 | - | 4.94 | 156,545 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,071 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,156 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,844 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,730 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,788 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,803 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,186 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,643 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,143 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,627 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,593 |
| 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 | 62,674 |
