| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,443 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,783 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,091 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,298,365 |
| Landlocked Countries | 0 | - | 4.99 | 418,355 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,652 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,690 |
| Himalayan Countries | 0 | - | 4.94 | 137,165 |
| Andean Countries | 0 | - | 4.95 | 83,791 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,041 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,434 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,721 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,266 |
| Danube Countries | 0 | - | 4.97 | 71,595 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,461 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,998 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,541 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,603 |
| European Landlocked Countries | 0 | - | 4.99 | 146,705 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,043 |
| Countries with the Most Species | 0 | - | 4.99 | 102,838 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,179 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,408 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,563 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,264 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,939 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,317 |
| Countries in the Alps | 0 | - | 4.87 | 117,602 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,077 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,373 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,923 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,029 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,403 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,210 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,138 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,934 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,503 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,448 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,308 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,882 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,155 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,171 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,062 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,021 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,541 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,439 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,097 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,094 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,954 |
| Largest Countries By Category | 0 | - | 4.97 | 157,548 |
| Countries by Countries | 0 | - | 4.96 | 62,786 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,132 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,146 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,460 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,596 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,276 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,501 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,457 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,828 |
| Island Countries | 0 | - | 4.99 | 709,535 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,491 |
| Northernmost Countries | 0 | - | 4.99 | 360,231 |
| Countries of South America | 0 | - | 5.00 | 922,250 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,120 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,860 |
| "Land" Countries | 0 | - | 4.98 | 335,677 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,558 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,840 |
| Countries with Megacities | 0 | - | 4.99 | 253,978 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,697 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,889 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,996 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,877 |
| Countries by Official Language | 0 | - | 4.95 | 194,545 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,400 |
| Countries in their Native Language | 0 | - | 4.99 | 198,096 |
| Independence from Whom | 0 | - | 4.99 | 211,205 |
| Subdivisions by Country | 0 | - | 4.86 | 50,266 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,618 |
| Megadiverse Countries | 0 | - | 4.96 | 134,735 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,315 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,157 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,723 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,001 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,655 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,339 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,896 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,798 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,460 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,965 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,843 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,679 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,951 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,750 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,109 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,300 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,054 |
| World Map Quiz | 0 | - | 4.81 | 64,426 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,323 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,974 |
| Countries by Founding Story | 0 | - | 4.95 | 77,021 |
| Countries by Road Signs | 0 | - | 4.98 | 53,605 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,404 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,876 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,587 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,200 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,470 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,641 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,785 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,235 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,237 |
| Widest Countries East to West | 0 | - | 4.92 | 129,320 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,373 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,899 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,981 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,480 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,162 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,498 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,219 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,716 |
| Countries with Double Letters | 0 | - | 4.97 | 95,005 |
| Countries that End in N | 0 | - | 4.95 | 169,787 |
| Countries with Five Letters | 0 | - | 4.96 | 279,533 |
| Countries with Six Letters | 0 | - | 4.94 | 212,370 |
| Countries with W | 0 | - | 4.97 | 159,456 |
| Countries with Z | 0 | - | 4.98 | 289,704 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,659 |
| Countries That End in U | 0 | - | 4.95 | 120,377 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,680 |
| Countries that End in O | 0 | - | 4.92 | 159,165 |
| Countries that End in R | 0 | - | 4.87 | 118,710 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,484 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,228 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,055 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,049 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,636 |
| Countries That End in Y | 0 | - | 4.90 | 185,625 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,159 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,357 |
| Countries that End in I | 0 | - | 4.94 | 134,836 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,014 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,551 |
| Countries That End in NIA | 0 | - | 4.92 | 109,487 |
| Countries That End in BIA | 0 | - | 4.93 | 148,801 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,659 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,012 |
| Countries That End in RIA | 0 | - | 4.93 | 126,497 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,587 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,557 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,155 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,496 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,052 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,289 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,643 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,191 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,075 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,174 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,772 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,478 |
| Countries that End in L | 0 | - | 4.94 | 156,510 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,814 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,145 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,811 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,686 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,735 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,683 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,080 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,565 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,042 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,535 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,529 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,931 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,584 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,632 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,567 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,541 |
| One Border Countries | 0 | - | 4.98 | 467,404 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,722 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,692 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,263 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,565 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,486 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,293 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,620 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,234 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,305 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,866 |
| Countries by National Anthem | 0 | - | 4.93 | 71,168 |
| NATO Countries | 0 | - | 4.98 | 279,074 |
| EU Countries Quiz | 0 | - | 4.99 | 272,663 |
| Recently Independent Countries | 0 | - | 4.98 | 158,955 |
| French-Speaking Countries | 0 | - | 4.85 | 270,124 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,740 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,435 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,267 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,649 |
| German-Speaking Countries | 0 | - | 4.91 | 145,233 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,203 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,781 |
