| Countries with Double Letters | 0 | - | 4.97 | 88,121 |
| Countries that End in N | 0 | - | 4.93 | 151,507 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 252,646 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,611 |
| Countries with W | 0 | - | 4.97 | 154,184 |
| Countries with Z | 0 | - | 4.98 | 281,716 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,692 |
| Countries That End in U | 0 | - | 4.95 | 117,091 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,843 |
| Countries that End in O | 0 | - | 4.92 | 156,525 |
| Countries that End in R | 0 | - | 4.84 | 101,355 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,418 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,489 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,508 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,500 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,471 |
| Countries That End in Y | 0 | - | 4.91 | 183,778 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,305 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 149,151 |
| Countries that End in I | 0 | - | 4.93 | 118,575 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,109 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,859 |
| Countries That End in NIA | 0 | - | 4.92 | 107,425 |
| Countries That End in BIA | 0 | - | 4.92 | 145,619 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,490 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,635 |
| Countries That End in RIA | 0 | - | 4.92 | 124,409 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 108,000 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 220,333 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,885 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 122,010 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,744 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,633 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,378 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,491 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,213 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,613 |
| Countries with the Word "And" | 0 | - | 4.98 | 92,166 |
| Countries that End in L | 0 | - | 4.94 | 153,792 |
| "Land" Countries | 0 | - | 4.98 | 303,242 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,753 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,445 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 398,004 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,551,433 |
| Countries with Four Letters | 0 | - | 4.99 | 408,912 |
| Sahara Desert Countries | 0 | - | 4.98 | 153,179 |
| Himalayan Countries | 0 | - | 4.95 | 128,778 |
| Andean Countries | 0 | - | 4.93 | 72,533 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,607 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 118,096 |
| Coffee Producing Countries | 0 | - | 4.81 | 62,919 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,089 |
| Danube Countries | 0 | - | 4.97 | 62,677 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,361 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,687 |
| Countries with the Worst Passports | 0 | - | 4.93 | 78,525 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 143,276 |
| European Landlocked Countries | 0 | - | 4.99 | 143,454 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,034 |
| Countries with the Most Species | 0 | - | 4.99 | 93,818 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,456 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,470 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,654 |
| Countries that Use the Peso | 0 | - | 4.87 | 57,717 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,253 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,356 |
| Countries in the Alps | 0 | - | 4.87 | 113,900 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,645 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,520 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,770 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,136 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,041 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,440 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,221 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,307 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,157 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,388 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,272 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,090 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,824 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,311 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,256 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 113,030 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,202 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,005 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,994 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 230,536 |
| World Countries - Blind Typing | 0 | - | 5.00 | 100,363 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,407 |
| Largest Countries By Category | 0 | - | 4.97 | 153,937 |
| Countries by Countries | 0 | - | 4.96 | 60,328 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,497,653 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,608 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,306 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,813 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 94,856 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,807 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,589,392 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,920 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 206,974 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 366,100 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 391,084 |
| Island Countries Quiz | 0 | - | 4.99 | 700,010 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,016,401 |
| Northernmost Countries | 0 | - | 4.99 | 347,954 |
| Countries of South America | 0 | - | 5.00 | 888,284 |
| Countries of Oceania | 0 | - | 5.00 | 1,007,396 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,786,466 |
| Countries with J | 0 | - | 4.53 | 181,531 |
| Countries by Consonants | 0 | - | 4.41 | 77,169 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,314,053 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,743 |
| Countries with Megacities | 0 | - | 4.99 | 225,895 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 192,007 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,056 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,942 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,589 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,633 |
| Countries by Official Language | 0 | - | 4.95 | 188,592 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 287,823 |
| Countries in their Native Language | 0 | - | 4.99 | 192,516 |
| Independence from Whom | 0 | - | 4.99 | 204,885 |
| Subdivisions by Country | 0 | - | 4.85 | 49,341 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 127,192 |
| Megadiverse Countries | 0 | - | 4.97 | 132,138 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 126,057 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,046 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,257 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,203 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,864 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,921 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,799 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,025 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,916 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,469 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,956 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,508 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,832 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,113 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,520 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,298 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,695 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 103,516 |
| World Map Quiz | 0 | - | 4.84 | 60,618 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 143,849 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,810 |
| Countries by Founding Story | 0 | - | 4.95 | 74,756 |
| Countries by Road Signs | 0 | - | 4.98 | 51,274 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,695 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,734 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,399 |
| Countries With the Most Languages | 0 | - | 4.89 | 194,568 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 107,378 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,161 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,373 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,745 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,767 |
| Widest Countries East to West | 0 | - | 4.92 | 126,745 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,743 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,975 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,586 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,192 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 145,359 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,217 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,601 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,119 |
| City to Country Quiz #1 | 0 | - | 4.96 | 153,108 |
| City to Country Quiz #3 | 0 | - | 4.88 | 107,043 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 77,028 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,872 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,589 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,945 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 159,321 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,571 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,300 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,701 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,757 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,528 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,862 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,404,932 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,710 |
| One Border Countries | 0 | - | 4.98 | 452,071 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 98,201 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 23,102 |
| Most Similar Country Names | 0 | - | 4.15 | 45,745 |
| Longest Country Name A-Z | 0 | - | 4.34 | 40,804 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,704,903 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,781 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 261,256 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,373 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,559 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,345 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,573 |
| Countries by National Anthem | 0 | - | 4.93 | 70,444 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,776 |
| EU Countries Quiz | 0 | - | 4.99 | 259,608 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 155,042 |
| French-Speaking Countries | 0 | - | 4.85 | 264,430 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 82,322 |
| Countries That Use the Euro | 0 | - | 4.97 | 97,005 |
