| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 105,406 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,582 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,303 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,563 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,029 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,701,395 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.84 | 87,872 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 94,545 |
| Top Chocolate Growing Countries | 0 | - | 4.84 | 44,399 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,809 |
| Himalayan Countries | 0 | - | 4.95 | 118,866 |
| Andean Countries | 0 | - | 4.92 | 66,611 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,672 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,192 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,534 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,247 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,937 |
| Danube Countries | 0 | - | 4.97 | 59,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,625 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,965 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,445 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,054 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,669 |
| European Landlocked Countries | 0 | - | 4.99 | 139,862 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,465 |
| Countries with the Most Species | 0 | - | 4.99 | 91,747 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,925 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,319 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,440 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,813 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,940 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,376 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,823 |
| Countries in the Alps | 0 | - | 4.86 | 108,746 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,771 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,983 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,696 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,611 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,581 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,160 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,057 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,105 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,412 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,036 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,166 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,750 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,619 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,412 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,114 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,764 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,167 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,184 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,124 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,294 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,847 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,469 |
| Largest Countries By Category | 0 | - | 4.97 | 150,095 |
| Countries by Countries | 0 | - | 4.96 | 57,786 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,339,691 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,307 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,366 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,043 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,935 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,414,270 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,026 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,063 |
| Island Countries Quiz | 0 | - | 4.99 | 685,960 |
| Biggest Countries by Area | 0 | - | 5.00 | 980,398 |
| Northernmost Countries | 0 | - | 4.99 | 340,104 |
| Countries of South America | 0 | - | 5.00 | 850,146 |
| Countries of Oceania | 0 | - | 5.00 | 960,997 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,701,181 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.53 | 75,252 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.64 | 127,801 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,228,912 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,612 |
| Countries with Megacities | 0 | - | 4.99 | 214,652 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,374 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,999 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,542 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,406 |
| Countries by Official Language | 0 | - | 4.95 | 182,240 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,499 |
| Countries in their Native Language | 0 | - | 4.98 | 187,160 |
| Independence from Whom | 0 | - | 4.99 | 197,603 |
| Subdivisions by Country | 0 | - | 4.86 | 48,187 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,010 |
| Megadiverse Countries | 0 | - | 4.96 | 129,902 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,095 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,192 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,106 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,091 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,864 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,001 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,374 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,613 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,115 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,988 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,181 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,352 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,711 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,597 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,981 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 95,804 |
| World Map Quiz | 0 | - | 4.88 | 56,365 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,471 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,856 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,689 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,516 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 115,014 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,952 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,828 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,573 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,248 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,707 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,840 |
| Widest Countries East to West | 0 | - | 4.92 | 123,750 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,944 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,337 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,070 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,595 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,164 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,576 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,786 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,329 |
| Countries with Double Letters | 0 | - | 4.96 | 80,167 |
| Countries that End in N | 0 | - | 4.93 | 144,345 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,237 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,551 |
| Countries with W | 0 | - | 4.97 | 131,982 |
| Countries with Z | 0 | - | 4.98 | 273,684 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,254 |
| Countries That End in U | 0 | - | 4.95 | 113,324 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,790 |
| Countries that End in O | 0 | - | 4.92 | 152,986 |
| Countries that End in R | 0 | - | 4.84 | 99,443 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,446 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,354 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,315 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,086 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,612 |
| Countries That End in Y | 0 | - | 4.91 | 181,217 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,798 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,567 |
| Countries that End in I | 0 | - | 4.92 | 117,016 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,240 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,527 |
| Countries That End in NIA | 0 | - | 4.92 | 104,559 |
| Countries That End in BIA | 0 | - | 4.92 | 141,608 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,107 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,004 |
| Countries That End in RIA | 0 | - | 4.89 | 104,886 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,090 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 213,082 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,111 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,799 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,818 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,880 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,955 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,089 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,759 |
| Countries with the Word "And" | 0 | - | 4.98 | 88,943 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,708 |
| Countries that End in L | 0 | - | 4.94 | 151,037 |
| "Land" Countries | 0 | - | 4.98 | 298,453 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 195,818 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,742 |
| City to Country Quiz #1 | 0 | - | 4.95 | 138,412 |
| City to Country Quiz #3 | 0 | - | 4.87 | 103,129 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 74,846 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 217,768 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 191,304 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 121,482 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 139,481 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 214,351 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 146,176 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,417 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,370,393 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,169 |
| One Border Countries | 0 | - | 4.98 | 439,962 |
| Countries that Eat the Most Fish | 0 | - | 4.24 | 69,440 |
| Top 10 Countries with the Most Fishermen | 0 | - | 4.31 | 44,306 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,597,476 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,903 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,602 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,806 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,061 |
| Countries by National Anthem | 0 | - | 4.93 | 69,594 |
| NATO Countries Quiz | 0 | - | 4.98 | 255,515 |
| EU Countries Quiz | 0 | - | 4.99 | 251,367 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 150,847 |
| French-Speaking Countries | 0 | - | 4.85 | 253,912 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,200 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,626 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 263,360 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 245,560 |
| German-Speaking Countries | 0 | - | 4.88 | 120,496 |
| Countries with Wild Tigers | 0 | - | 4.97 | 130,281 |
| Countries with Wild Penguins | 0 | - | 4.93 | 94,755 |
