| Country Name Etymologies #1 | 0 | - | 4.97 | 132,743 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 70,884 |
| Boundary Waters | 0 | - | 4.93 | 80,392 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,656 |
| Five Countries by a Single Word by Continent | 0 | - | 4.89 | 64,530 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,362,399 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,742 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,307 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,730 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 135,974 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,666 |
| World Capitals Quiz | 0 | - | 5.00 | 4,450,553 |
| Countries on the Equator | 0 | - | 4.82 | 131,532 |
| Members of the Arab League | 0 | - | 4.81 | 58,729 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,844 |
| Himalayan Countries | 0 | - | 4.95 | 102,129 |
| Andean Countries | 0 | - | 4.90 | 56,725 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,540 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,766 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,435 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,627 |
| Danube Countries | 0 | - | 4.97 | 56,310 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,327 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,545 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,154 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,662 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,045 |
| European Landlocked Countries | 0 | - | 4.99 | 114,777 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,610 |
| Countries with the Most Species | 0 | - | 4.99 | 89,052 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,681 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,395 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,766 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,658 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,047 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,403 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,585 |
| Countries in the Alps | 0 | - | 4.82 | 101,481 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,494 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,523 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,047 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,603 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,236 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,780 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,949 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,682 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,056 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,820 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,297 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,366 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,838 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,415 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,879 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,310 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,882 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,866 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 191,913 |
| World Countries - Blind Typing | 0 | - | 5.00 | 70,997 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,885 |
| Largest Countries By Category | 0 | - | 4.96 | 143,685 |
| Countries by Countries | 0 | - | 4.95 | 53,947 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,006,593 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,315 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 77,160 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,188 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,580 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,072 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,208 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 179,874 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,125 |
| Longest International Borders | 0 | - | 4.99 | 232,480 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,301 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,194 |
| Demonym of Every Country | 0 | - | 4.91 | 48,680 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,366,215 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,076 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 350,950 |
| Island Countries Quiz | 0 | - | 4.99 | 637,326 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,054 |
| Northernmost Countries | 0 | - | 4.99 | 324,950 |
| Countries of South America | 0 | - | 5.00 | 781,754 |
| Countries of Oceania | 0 | - | 5.00 | 879,423 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,099,490 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,547,031 |
| Top World Languages | 0 | - | 4.91 | 697,161 |
| Europe Map Quiz | 0 | - | 5.00 | 4,248,611 |
| Countries with Three Borders | 0 | - | 4.96 | 30,603 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,760 |
| Five Letter Geography #4 | 0 | - | 4.83 | 64,870 |
| Name a Valid Answer - Geography | 0 | - | 4.91 | 75,771 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,122 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,137 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,851 |
| Countries with Megacities | 0 | - | 4.99 | 194,284 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,041 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,648 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,401 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,513 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,553 |
| Biggest Cities in the World | 0 | - | 4.89 | 676,979 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,519 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,835 |
| Most Remote Capital Cities | 0 | - | 4.90 | 42,940 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,556 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,260 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,678 |
| Countries by Capital City | 0 | - | 4.99 | 47,997 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,148 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 92,906 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,048 |
| Moved Capital Cities | 0 | - | 4.94 | 51,822 |
| Countries by Official Language | 0 | - | 4.95 | 153,220 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,052 |
| Countries in their Native Language | 0 | - | 4.98 | 176,521 |
| Independence from Whom | 0 | - | 4.99 | 182,564 |
| Subdivisions by Country | 0 | - | 4.82 | 46,125 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,633 |
| Megadiverse Countries | 0 | - | 4.96 | 124,603 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,687 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,883 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,073 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,609 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,536 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,405 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,187 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,413 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,918 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,681 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,720 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,253 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,438 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,816 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,649 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,028,763 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 79,636 |
| World Map Quiz | 0 | - | 4.90 | 47,912 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,602 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,081 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 89,959 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,880 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,188 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,458 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,728 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,284 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,178 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,700 |
| Widest Countries East to West | 0 | - | 4.93 | 118,363 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,656 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,725 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,041 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,659 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,505 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,396 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,223 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,798 |
| Countries with Double Letters | 0 | - | 4.96 | 66,323 |
| Countries that End in N | 0 | - | 4.94 | 130,728 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,208 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,010 |
| Countries with W | 0 | - | 4.97 | 121,043 |
| Countries with Z | 0 | - | 4.98 | 241,659 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,222 |
| Countries That End in U | 0 | - | 4.94 | 106,532 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.96 | 87,918 |
| Countries that End in O | 0 | - | 4.92 | 146,174 |
| Countries that End in R | 0 | - | 4.85 | 95,962 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,740 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,238 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,687 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,433 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,364 |
| Countries That End in Y | 0 | - | 4.90 | 160,698 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,406 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,633 |
| Countries that End in I | 0 | - | 4.92 | 114,077 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,202 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,711 |
| Countries That End in NIA | 0 | - | 4.93 | 100,210 |
| Countries That End in BIA | 0 | - | 4.91 | 125,192 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,221 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,910 |
| Countries That End in RIA | 0 | - | 4.89 | 100,361 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,604 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,274 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,441 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,237 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,145 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,386 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,757 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,278 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,592 |
| Countries that End in L | 0 | - | 4.95 | 133,208 |
| "Land" Countries | 0 | - | 4.98 | 287,604 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,215 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,050 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,608 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,385 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 70,995 |
