| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,570 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,298 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,701 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,008 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,168 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,744,322 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 135,939 |
| Members of the Arab League | 0 | - | 4.86 | 66,232 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,440 |
| Himalayan Countries | 0 | - | 4.94 | 108,377 |
| Andean Countries | 0 | - | 4.91 | 60,163 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,354 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,827 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,438 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,837 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,252 |
| Danube Countries | 0 | - | 4.96 | 57,221 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,233 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,293 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,693 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,393 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,004 |
| European Landlocked Countries | 0 | - | 4.99 | 137,037 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,801 |
| Countries with the Most Species | 0 | - | 4.99 | 89,855 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,334 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,019 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,314 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,057 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,880 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,118 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,914 |
| Countries in the Alps | 0 | - | 4.84 | 103,844 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,427 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,492 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,275 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,371 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,894 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,336 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,542 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,772 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,691 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,409 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,169 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,029 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,029 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,576 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,663 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,237 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,535 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,953 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,032 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,449 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,359 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,828 |
| Largest Countries By Category | 0 | - | 4.97 | 146,423 |
| Countries by Countries | 0 | - | 4.95 | 55,594 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,169,309 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,536 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,201 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,129 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,608 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,227,106 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 344,951 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,510 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,165 |
| Northernmost Countries | 0 | - | 4.99 | 330,853 |
| Countries of South America | 0 | - | 5.00 | 809,607 |
| Countries of Oceania | 0 | - | 5.00 | 913,202 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,610,447 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,965 |
| Countries with Megacities | 0 | - | 4.99 | 201,748 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,283 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,923 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,192 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,819 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,899 |
| Countries by Official Language | 0 | - | 4.96 | 175,189 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,137 |
| Countries in their Native Language | 0 | - | 4.98 | 180,506 |
| Independence from Whom | 0 | - | 4.99 | 189,295 |
| Subdivisions by Country | 0 | - | 4.84 | 46,884 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,587 |
| Megadiverse Countries | 0 | - | 4.96 | 126,777 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,853 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,802 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,877 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,602 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,020 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,845 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,045 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,246 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,926 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,452 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,388 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,352 |
| World Map Quiz | 0 | - | 4.90 | 51,353 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,343 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,693 |
| Countries by Founding Story | 0 | - | 4.93 | 55,882 |
| Countries by Road Signs | 0 | - | 4.98 | 46,265 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,673 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,778 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,914 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,633 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,666 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,030 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,236 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,057 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,537 |
| Widest Countries East to West | 0 | - | 4.93 | 120,513 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,114 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,497 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,810 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,397 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,611 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,614 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,449 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,791 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,402 |
| Countries with Double Letters | 0 | - | 4.96 | 71,751 |
| Countries that End in N | 0 | - | 4.94 | 135,915 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,766 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,467 |
| Countries with W | 0 | - | 4.96 | 125,598 |
| Countries with Z | 0 | - | 4.98 | 264,557 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,644 |
| Countries That End in U | 0 | - | 4.95 | 109,309 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,311 |
| Countries that End in O | 0 | - | 4.92 | 148,617 |
| Countries that End in R | 0 | - | 4.85 | 97,292 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,067 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,082 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,657 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,661 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,601 |
| Countries That End in Y | 0 | - | 4.90 | 162,387 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,933 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,340 |
| Countries that End in I | 0 | - | 4.92 | 115,191 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,589 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,362 |
| Countries That End in NIA | 0 | - | 4.92 | 101,787 |
| Countries That End in BIA | 0 | - | 4.91 | 127,262 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,101 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,935 |
| Countries That End in RIA | 0 | - | 4.90 | 101,867 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,708 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,467 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,561 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,683 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,236 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,872 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,803 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,125 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,663 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,013 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,450 |
| Countries that End in L | 0 | - | 4.95 | 135,808 |
| "Land" Countries | 0 | - | 4.98 | 292,243 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,223 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,865 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,323 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,039 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,578 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,007 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 170,853 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,768 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,864 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,327 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,528 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,602 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,279 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,247 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,352 |
| Name a Valid Island Country | 0 | - | 4.96 | 104,354 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,330 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,396 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,257 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,115,781 |
| One Border Countries | 0 | - | 4.98 | 415,634 |
| Every Country in its Official/Native Language | 0 | - | 4.97 | 18,140 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,467,603 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,398 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,269 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,539 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,245 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,204 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,321 |
| Countries by National Anthem | 0 | - | 4.94 | 68,520 |
| NATO Countries Quiz | 0 | - | 4.98 | 229,194 |
| EU Countries Quiz | 0 | - | 4.99 | 231,307 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 146,447 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,518 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,049 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 229,202 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 234,703 |
| German-Speaking Countries | 0 | - | 4.88 | 118,288 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,378 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,300 |
