| Country Name Etymologies #1 | 0 | - | 4.97 | 137,797 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 74,399 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,388,279 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,656 |
| Countries with Four Letters | 0 | - | 4.99 | 405,545 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,412,062 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,480,655 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,966 |
| Himalayan Countries | 0 | - | 4.94 | 122,603 |
| Andean Countries | 0 | - | 4.93 | 68,928 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,862 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,360 |
| Coffee Producing Countries | 0 | - | 4.83 | 60,075 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,433 |
| Danube Countries | 0 | - | 4.97 | 60,928 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,989 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,975 |
| Countries with the Best Passports | 0 | - | 4.84 | 81,001 |
| Countries with the Worst Passports | 0 | - | 4.91 | 72,114 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,516 |
| European Landlocked Countries | 0 | - | 4.99 | 141,099 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,268 |
| Countries with the Most Species | 0 | - | 4.99 | 92,408 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,641 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,731 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,831 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,656 |
| Countries that Use the Peso | 0 | - | 4.89 | 56,442 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 70,003 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,752 |
| Countries in the Alps | 0 | - | 4.86 | 110,865 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,815 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,987 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,464 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,836 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,725 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,020 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,108 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,927 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,021 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,779 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,309 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,131 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,231 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,912 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,628 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,199 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,886 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,817 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,501 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,361 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,173 |
| Largest Countries By Category | 0 | - | 4.97 | 151,543 |
| Countries by Countries | 0 | - | 4.96 | 58,532 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,197 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,697 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,355 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,032 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 119,910 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 101,500 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 129,283 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 121,695 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 200,665 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,517 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,801 |
| Island Countries Quiz | 0 | - | 4.99 | 691,415 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,796 |
| Northernmost Countries | 0 | - | 4.99 | 342,981 |
| Countries of South America | 0 | - | 5.00 | 864,275 |
| Countries of Oceania | 0 | - | 5.00 | 977,543 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,734,107 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,261,352 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 226,214 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 72,891 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,377 |
| Countries with Megacities | 0 | - | 4.99 | 218,580 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 187,065 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,404 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,955 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,442 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,434 |
| Countries by Official Language | 0 | - | 4.95 | 184,355 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,456 |
| Countries in their Native Language | 0 | - | 4.98 | 189,088 |
| Independence from Whom | 0 | - | 4.99 | 200,153 |
| Subdivisions by Country | 0 | - | 4.85 | 48,575 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,951 |
| Megadiverse Countries | 0 | - | 4.96 | 130,579 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,395 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,020 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,360 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,667 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,546 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,982 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,380 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,601 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,452 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,811 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,936 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,043 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,293 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,235 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,739 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,483 |
| World Map Quiz | 0 | - | 4.88 | 57,858 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,623 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,872 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,849 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,886 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,743 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,584 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,621 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,705 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,718 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,449 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,731 |
| Widest Countries East to West | 0 | - | 4.92 | 124,874 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,418 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,518 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,397 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,564 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,482 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,072 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,603 |
| Countries with Double Letters | 0 | - | 4.97 | 82,982 |
| Countries that End in N | 0 | - | 4.94 | 146,785 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,827 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 201,156 |
| Countries with W | 0 | - | 4.97 | 150,290 |
| Countries with Z | 0 | - | 4.98 | 276,725 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,970 |
| Countries That End in U | 0 | - | 4.95 | 114,697 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 101,107 |
| Countries that End in O | 0 | - | 4.92 | 154,701 |
| Countries that End in R | 0 | - | 4.84 | 100,163 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,108 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,597 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,602 |
| Countries by Last Two Letters | 0 | - | 4.87 | 122,057 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,854 |
| Countries That End in Y | 0 | - | 4.91 | 182,301 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,568 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 128,094 |
| Countries that End in I | 0 | - | 4.92 | 117,581 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,685 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,357 |
| Countries That End in NIA | 0 | - | 4.92 | 105,272 |
| Countries That End in BIA | 0 | - | 4.92 | 142,938 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,499 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,980 |
| Countries That End in RIA | 0 | - | 4.89 | 105,630 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,125 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,804 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,528 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,422 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,268 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,371 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,804 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,337 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,232 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,431 |
| Countries with the Word "And" | 0 | - | 4.98 | 90,107 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 48,044 |
| Countries that End in L | 0 | - | 4.94 | 151,990 |
| "Land" Countries | 0 | - | 4.98 | 300,020 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,855 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,001 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,767 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,852 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,733 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 220,089 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,985 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,462 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 155,579 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 216,659 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,584 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,969 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,072 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,926 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,897 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,383,083 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 365,131 |
| One Border Countries | 0 | - | 4.98 | 445,561 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,636,590 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 97,156 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,098 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,821 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 116,121 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,949 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,406 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 55,090 |
| Countries by National Anthem | 0 | - | 4.92 | 69,960 |
| NATO Countries Quiz | 0 | - | 4.98 | 258,092 |
| EU Countries Quiz | 0 | - | 4.99 | 254,824 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,394 |
| French-Speaking Countries | 0 | - | 4.85 | 258,265 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,842 |
| Countries That Use the Euro | 0 | - | 4.93 | 76,226 |
