| Spanish-Speaking Countries | 0 | - | 4.94 | 343,164 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 119,094 |
| Countries by Official Language | 0 | - | 4.96 | 174,274 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,415 |
| Countries in their Native Language | 0 | - | 4.98 | 179,468 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,585 |
| German-Speaking Countries | 0 | - | 4.88 | 117,977 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,407,462 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,234 |
| English Speaking Countries | 0 | - | 4.72 | 340,578 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,128,455 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,196,449 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,354 |
| Members of the Arab League | 0 | - | 4.85 | 64,709 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,004 |
| Himalayan Countries | 0 | - | 4.95 | 106,948 |
| Andean Countries | 0 | - | 4.91 | 59,482 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,557 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,303 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,675 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,567 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,861 |
| Danube Countries | 0 | - | 4.96 | 57,007 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,023 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,120 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,092 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,973 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,255 |
| European Landlocked Countries | 0 | - | 4.99 | 136,566 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,386 |
| Countries with the Most Species | 0 | - | 4.99 | 89,711 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,887 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,889 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,185 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,729 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,674 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,948 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,559 |
| Countries in the Alps | 0 | - | 4.84 | 103,352 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,961 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,459 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,980 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,039 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,519 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,005 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,172 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,510 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,543 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,102 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,865 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,825 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,878 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,216 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,379 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,939 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,488 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,691 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,770 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,678 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,232 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,597 |
| Largest Countries By Category | 0 | - | 4.97 | 145,801 |
| Countries by Countries | 0 | - | 4.96 | 55,188 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,466 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,992 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,941 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,001 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,489 |
| Island Countries Quiz | 0 | - | 4.99 | 665,163 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,944 |
| Northernmost Countries | 0 | - | 4.99 | 329,459 |
| Countries of South America | 0 | - | 5.00 | 802,971 |
| Countries of Oceania | 0 | - | 5.00 | 904,994 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,594,489 |
| Top World Languages | 0 | - | 4.92 | 716,810 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.71 | 105,198 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,724 |
| Countries with Megacities | 0 | - | 4.99 | 199,981 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,537 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,057 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,110 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,039 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,761 |
| Independence from Whom | 0 | - | 4.99 | 187,688 |
| Subdivisions by Country | 0 | - | 4.82 | 46,710 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,686 |
| Megadiverse Countries | 0 | - | 4.96 | 126,200 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,174 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,652 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,409 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,541 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,884 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,711 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,413 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,689 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,515 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,978 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,617 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,165 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,048 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,684 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 84,570 |
| World Map Quiz | 0 | - | 4.91 | 50,538 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,282 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,204 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,630 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,970 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,217 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,908 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,106 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,492 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,558 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,618 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,094 |
| Widest Countries East to West | 0 | - | 4.93 | 120,060 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,009 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,871 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,405 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,024 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,187 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,077 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,783 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,645 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,261 |
| Countries with Double Letters | 0 | - | 4.96 | 70,108 |
| Countries that End in N | 0 | - | 4.94 | 134,318 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,691 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,039 |
| Countries with W | 0 | - | 4.96 | 124,254 |
| Countries with Z | 0 | - | 4.98 | 246,354 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,487 |
| Countries That End in U | 0 | - | 4.95 | 108,382 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,913 |
| Countries that End in O | 0 | - | 4.92 | 147,913 |
| Countries that End in R | 0 | - | 4.84 | 96,883 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,688 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,815 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 156,984 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,168 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,110 |
| Countries That End in Y | 0 | - | 4.90 | 162,036 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,130 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,801 |
| Countries that End in I | 0 | - | 4.92 | 114,883 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,676 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,991 |
| Countries That End in NIA | 0 | - | 4.93 | 101,403 |
| Countries That End in BIA | 0 | - | 4.91 | 126,792 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,342 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,436 |
| Countries That End in RIA | 0 | - | 4.90 | 101,514 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,168 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,071 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,792 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,853 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,467 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,259 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,523 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,318 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,357 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,694 |
| Countries that End in L | 0 | - | 4.95 | 135,299 |
| "Land" Countries | 0 | - | 4.98 | 291,348 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,500 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,311 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,891 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,702 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,193 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,888 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 168,983 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,246 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,105 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,318 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,694 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,299 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,847 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,874 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,996 |
| Places in their Native Language #1 | 0 | - | 4.86 | 212,187 |
| Places in their Native Language #2 | 0 | - | 4.88 | 113,886 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,057 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,582 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,094,612 |
| One Border Countries | 0 | - | 4.98 | 412,923 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,435,551 |
| French-Speaking Countries Quiz | 0 | - | 4.78 | 214,183 |
| Countries With the Most Italian Speakers | 0 | - | 4.51 | 51,258 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,424 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,853 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,942 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,887 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,905 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,475 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,987 |
| Capitals in their Native Languages | 0 | - | 4.94 | 127,770 |
| Countries by National Anthem | 0 | - | 4.95 | 62,042 |
| NATO Countries Quiz | 0 | - | 4.98 | 227,751 |
| EU Countries Quiz | 0 | - | 4.99 | 229,977 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,531 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,175 |
