| Landlocked Countries Quiz | 0 | - | 4.99 | 395,629 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,338,345 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 177,655 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 110,234 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 89,480 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,037 |
| Himalayan Countries | 0 | - | 4.94 | 127,796 |
| Andean Countries | 0 | - | 4.93 | 71,968 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,189 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,372 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,568 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,620 |
| Danube Countries | 0 | - | 4.97 | 62,375 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 98,976 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,378 |
| Countries with the Worst Passports | 0 | - | 4.93 | 77,536 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,579 |
| European Landlocked Countries | 0 | - | 4.99 | 143,092 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,071 |
| Countries with the Most Species | 0 | - | 4.99 | 93,615 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,917 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,333 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,535 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,524 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,008 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,058 |
| Countries in the Alps | 0 | - | 4.87 | 113,045 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,301 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 100,912 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,547 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,794 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,702 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,179 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,861 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,021 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 48,921 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,089 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,094 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,913 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,596 |
| Arctic Ocean Countries | 0 | - | 4.94 | 77,054 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,964 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,362 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 65,977 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,838 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,549 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,162 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,573 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,192 |
| Largest Countries By Category | 0 | - | 4.97 | 153,457 |
| Countries by Countries | 0 | - | 4.96 | 59,967 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,482,856 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,180 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,191 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,731 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,479 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,569,350 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 364,734 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 389,663 |
| Island Countries Quiz | 0 | - | 4.99 | 698,458 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,013,234 |
| Northernmost Countries | 0 | - | 4.99 | 347,011 |
| Countries of South America | 0 | - | 5.00 | 883,502 |
| Countries of Oceania | 0 | - | 5.00 | 1,001,630 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,776,583 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,305,029 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 164,959 |
| Countries with Megacities | 0 | - | 4.99 | 224,814 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,244 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,646 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,313 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,125 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 307,771 |
| Countries by Official Language | 0 | - | 4.95 | 187,201 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 286,419 |
| Countries in their Native Language | 0 | - | 4.98 | 191,473 |
| Independence from Whom | 0 | - | 4.99 | 204,058 |
| Subdivisions by Country | 0 | - | 4.85 | 49,223 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,710 |
| Megadiverse Countries | 0 | - | 4.97 | 131,964 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,109 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,919 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 123,067 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,052 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,784 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,606 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,614 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,601 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,734 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,340 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,821 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 70,966 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,659 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,871 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,346 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,079 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,527 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 102,431 |
| World Map Quiz | 0 | - | 4.83 | 60,186 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 142,244 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,557 |
| Southernmost Countries of the World | 0 | - | 4.99 | 221,756 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,180 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 118,861 |
| Countries With the Most Languages | 0 | - | 4.89 | 193,647 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 101,600 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,478 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 95,600 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,493 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,447 |
| Widest Countries East to West | 0 | - | 4.92 | 126,402 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,632 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,386 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,939 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 144,277 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,951 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,489 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,014 |
| Countries with Double Letters | 0 | - | 4.97 | 87,565 |
| Countries that End in N | 0 | - | 4.93 | 151,074 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 251,764 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,071 |
| Countries with W | 0 | - | 4.97 | 153,702 |
| Countries with Z | 0 | - | 4.98 | 281,124 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,267 |
| Countries That End in U | 0 | - | 4.95 | 116,888 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,418 |
| Countries that End in O | 0 | - | 4.92 | 156,322 |
| Countries that End in R | 0 | - | 4.83 | 101,233 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,133 |
| Countries Ending in "IA" | 0 | - | 4.99 | 201,962 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,197 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,252 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,195 |
| Countries That End in Y | 0 | - | 4.91 | 183,625 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 192,896 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,742 |
| Countries that End in I | 0 | - | 4.92 | 118,457 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,682 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,687 |
| Countries That End in NIA | 0 | - | 4.92 | 107,222 |
| Countries That End in BIA | 0 | - | 4.92 | 145,389 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,155 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,364 |
| Countries That End in RIA | 0 | - | 4.92 | 124,177 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,711 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 219,649 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,494 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,606 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,366 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,440 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 50,151 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,220 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,894 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,452 |
| Countries with the Word "And" | 0 | - | 4.98 | 91,848 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,017 |
| Countries that End in L | 0 | - | 4.94 | 153,557 |
| "Land" Countries | 0 | - | 4.98 | 302,854 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,351 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,394 |
| City to Country Quiz #1 | 0 | - | 4.96 | 152,916 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,853 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,831 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,059 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,204 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,729 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,983 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,033 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,079 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,584 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,640 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,439 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,683 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,282 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 368,972 |
| One Border Countries | 0 | - | 4.97 | 450,721 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 58,946 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,691,452 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,478 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,638 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,934 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,229 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,000 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 56,322 |
| Countries by National Anthem | 0 | - | 4.93 | 70,363 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,023 |
| EU Countries Quiz | 0 | - | 4.99 | 258,907 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 154,280 |
| French-Speaking Countries | 0 | - | 4.85 | 263,720 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 82,214 |
| Countries That Use the Euro | 0 | - | 4.97 | 94,010 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 273,845 |
| Countries with Nuclear Weapons | 0 | - | 4.87 | 253,522 |
| German-Speaking Countries | 0 | - | 4.88 | 122,034 |
| Countries with Wild Tigers | 0 | - | 4.97 | 133,391 |
| Countries with Wild Penguins | 0 | - | 4.94 | 97,316 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 154,987 |
| Top Five Countries by Religion | 0 | - | 4.91 | 161,936 |
