| Countries with Double Letters | 0 | - | 4.97 | 87,901 |
| Countries that End in N | 0 | - | 4.93 | 151,319 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 252,413 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 205,401 |
| Countries with W | 0 | - | 4.97 | 153,920 |
| Countries with Z | 0 | - | 4.98 | 281,484 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,518 |
| Countries That End in U | 0 | - | 4.95 | 117,005 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,684 |
| Countries that End in O | 0 | - | 4.92 | 156,444 |
| Countries that End in R | 0 | - | 4.83 | 101,311 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,206 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,281 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,398 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,403 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,367 |
| Countries That End in Y | 0 | - | 4.91 | 183,722 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,159 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,968 |
| Countries that End in I | 0 | - | 4.92 | 118,522 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,969 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,783 |
| Countries That End in NIA | 0 | - | 4.92 | 107,346 |
| Countries That End in BIA | 0 | - | 4.92 | 145,543 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,362 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,535 |
| Countries That End in RIA | 0 | - | 4.92 | 124,302 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,877 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 220,069 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,729 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 121,839 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,586 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,565 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,297 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,393 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,095 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 47,537 |
| Countries with the Word "And" | 0 | - | 4.98 | 92,033 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,217 |
| Countries that End in L | 0 | - | 4.94 | 153,693 |
| "Land" Countries | 0 | - | 4.98 | 303,090 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,614 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,426 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 397,066 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,470,420 |
| Countries with Four Letters | 0 | - | 4.99 | 408,723 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,700 |
| Himalayan Countries | 0 | - | 4.95 | 128,385 |
| Andean Countries | 0 | - | 4.93 | 72,309 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,435 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,796 |
| Coffee Producing Countries | 0 | - | 4.80 | 62,813 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,899 |
| Danube Countries | 0 | - | 4.97 | 62,546 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,191 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,560 |
| Countries with the Worst Passports | 0 | - | 4.93 | 78,149 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 143,024 |
| European Landlocked Countries | 0 | - | 4.99 | 143,328 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,393 |
| Countries with the Most Species | 0 | - | 4.99 | 93,745 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,276 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,416 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,601 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,641 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,167 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,236 |
| Countries in the Alps | 0 | - | 4.87 | 113,700 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,504 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,278 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,668 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,007 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,911 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,336 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,074 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,215 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,063 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,265 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,186 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,011 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,730 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,218 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,149 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,737 |
| Countries with the Most Climate Zones | 0 | - | 4.94 | 66,109 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,942 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,761 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,992 |
| World Countries - Blind Typing | 0 | - | 5.00 | 100,071 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,311 |
| Largest Countries By Category | 0 | - | 4.97 | 153,749 |
| Countries by Countries | 0 | - | 4.96 | 60,166 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,491,688 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,424 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,242 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,775 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,659 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,581,968 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,846 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 206,552 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 365,520 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,497 |
| Island Countries Quiz | 0 | - | 4.99 | 699,376 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,015,162 |
| Northernmost Countries | 0 | - | 4.99 | 347,607 |
| Countries of South America | 0 | - | 5.00 | 886,604 |
| Countries of Oceania | 0 | - | 5.00 | 1,005,163 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,782,893 |
| Countries with J | 0 | - | 4.53 | 181,173 |
| Countries by Consonants | 0 | - | 4.41 | 77,113 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,310,641 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,381 |
| Countries with Megacities | 0 | - | 4.99 | 225,403 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,666 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,844 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,644 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,377 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,888 |
| Countries by Official Language | 0 | - | 4.95 | 188,115 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 287,231 |
| Countries in their Native Language | 0 | - | 4.98 | 192,056 |
| Independence from Whom | 0 | - | 4.99 | 204,634 |
| Subdivisions by Country | 0 | - | 4.85 | 49,282 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 127,018 |
| Megadiverse Countries | 0 | - | 4.97 | 132,069 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,601 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,991 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,176 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,146 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,835 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,807 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,723 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,869 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,851 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,419 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,879 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,330 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,770 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,000 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,453 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,206 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,618 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 103,100 |
| World Map Quiz | 0 | - | 4.83 | 60,475 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 143,318 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,710 |
| Countries by Founding Story | 0 | - | 4.95 | 74,646 |
| Countries by Road Signs | 0 | - | 4.98 | 51,176 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,203 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,560 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,224 |
| Countries With the Most Languages | 0 | - | 4.89 | 194,242 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 106,997 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,999 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,210 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,659 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,646 |
| Widest Countries East to West | 0 | - | 4.92 | 126,626 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,704 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,632 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,527 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,097 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 145,141 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,106 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,567 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,086 |
| City to Country Quiz #1 | 0 | - | 4.96 | 153,031 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,969 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,953 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,382 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,424 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,838 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 159,188 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,399 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,209 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,651 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,715 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,496 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,800 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,403,496 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,401 |
| One Border Countries | 0 | - | 4.97 | 451,383 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 98,119 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 22,889 |
| Most Similar Country Names | 0 | - | 4.15 | 45,708 |
| Longest Country Name A-Z | 0 | - | 4.34 | 40,742 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,698,597 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,654 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,981 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,197 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,203 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,456 |
| Countries by National Anthem | 0 | - | 4.93 | 70,410 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,471 |
| EU Countries Quiz | 0 | - | 4.99 | 259,328 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 154,904 |
| French-Speaking Countries | 0 | - | 4.85 | 264,154 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 82,275 |
| Countries That Use the Euro | 0 | - | 4.97 | 96,468 |
