| Countries of the World Quiz | 0 | - | 5.00 | 43,772,850 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,601 |
| Countries by Airline Passengers | 0 | - | 4.91 | 51,293 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 126,579 |
| Countries with the Most Airports | 0 | - | 4.96 | 88,821 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 113,576 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 105,605 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 375,513 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,345,651 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,421,447 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,262 |
| Himalayan Countries | 0 | - | 4.95 | 119,244 |
| Andean Countries | 0 | - | 4.92 | 66,873 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,385 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,832 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,452 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,097 |
| Danube Countries | 0 | - | 4.97 | 60,039 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,764 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,078 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,685 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,599 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 135,012 |
| European Landlocked Countries | 0 | - | 4.99 | 140,241 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,652 |
| Countries with the Most Species | 0 | - | 4.99 | 91,819 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,102 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,361 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,483 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,883 |
| Countries that Use the Peso | 0 | - | 4.84 | 49,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,441 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,909 |
| Countries in the Alps | 0 | - | 4.86 | 109,255 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,894 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,169 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,797 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,710 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,729 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,239 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,175 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,196 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,478 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,119 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,226 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,799 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 38,685 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,498 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,201 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,857 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,377 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,267 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,198 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,719 |
| World Countries - Blind Typing | 0 | - | 5.00 | 83,078 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,537 |
| Largest Countries By Category | 0 | - | 4.97 | 150,232 |
| Countries by Countries | 0 | - | 4.96 | 57,856 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,445 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,399 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,041 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,385 |
| Island Countries Quiz | 0 | - | 4.99 | 686,503 |
| Biggest Countries by Area | 0 | - | 5.00 | 981,656 |
| Northernmost Countries | 0 | - | 4.99 | 340,536 |
| Countries of South America | 0 | - | 5.00 | 851,588 |
| Countries of Oceania | 0 | - | 5.00 | 962,716 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,704,607 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 58,232 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,232,757 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 98,905 |
| Most Visited Countries by JetPunkers | 0 | - | 4.89 | 109,678 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 156,273 |
| Countries with Megacities | 0 | - | 4.99 | 215,337 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,894 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,270 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 122,861 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,071 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 267,127 |
| Countries by Official Language | 0 | - | 4.95 | 182,451 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 279,807 |
| Countries in their Native Language | 0 | - | 4.98 | 187,375 |
| Independence from Whom | 0 | - | 4.99 | 197,839 |
| Subdivisions by Country | 0 | - | 4.86 | 48,229 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,164 |
| Megadiverse Countries | 0 | - | 4.96 | 129,968 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,502 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,252 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,134 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,216 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,918 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,136 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,440 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,668 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,139 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,311 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,227 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,420 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,768 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,668 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,041 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 96,126 |
| World Map Quiz | 0 | - | 4.88 | 56,534 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,913 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,948 |
| Southernmost Countries of the World | 0 | - | 4.99 | 217,001 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,762 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 115,252 |
| Countries With the Most Languages | 0 | - | 4.88 | 187,316 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,952 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,758 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,440 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,822 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,959 |
| Widest Countries East to West | 0 | - | 4.92 | 123,858 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,002 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,438 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,135 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,716 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,342 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,670 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,831 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,372 |
| Countries with Double Letters | 0 | - | 4.96 | 80,455 |
| Countries that End in N | 0 | - | 4.93 | 144,569 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,572 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,801 |
| Countries with W | 0 | - | 4.97 | 132,153 |
| Countries with Z | 0 | - | 4.98 | 273,992 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,398 |
| Countries That End in U | 0 | - | 4.95 | 113,461 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,985 |
| Countries that End in O | 0 | - | 4.92 | 153,095 |
| Countries that End in R | 0 | - | 4.84 | 99,512 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,495 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,608 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,467 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,212 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,805 |
| Countries That End in Y | 0 | - | 4.91 | 181,278 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,965 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,696 |
| Countries that End in I | 0 | - | 4.92 | 117,073 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,376 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,772 |
| Countries That End in NIA | 0 | - | 4.92 | 104,620 |
| Countries That End in BIA | 0 | - | 4.92 | 141,704 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,474 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,100 |
| Countries That End in RIA | 0 | - | 4.89 | 104,951 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,201 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 213,345 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,234 |
| Divided Country Name Puzzle #3 | 0 | - | 4.90 | 117,966 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,972 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 47,995 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,049 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,206 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,826 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,062 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,842 |
| Countries that End in L | 0 | - | 4.94 | 151,126 |
| "Land" Countries | 0 | - | 4.98 | 298,607 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 195,963 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,764 |
| City to Country Quiz #1 | 0 | - | 4.95 | 138,482 |
| City to Country Quiz #3 | 0 | - | 4.87 | 103,185 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 74,928 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 217,932 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 191,438 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 121,557 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 139,592 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 214,806 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 146,267 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,447 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 105,443 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,604 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,351 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,371,861 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,459 |
| One Border Countries | 0 | - | 4.98 | 441,576 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,601,667 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 79,526 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 81,015 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,813 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,968 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,124 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,193 |
| Countries by National Anthem | 0 | - | 4.92 | 69,620 |
| NATO Countries Quiz | 0 | - | 4.98 | 255,741 |
| EU Countries Quiz | 0 | - | 4.99 | 252,274 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 150,947 |
| French-Speaking Countries | 0 | - | 4.85 | 254,333 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,241 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,835 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 263,774 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 245,887 |
| German-Speaking Countries | 0 | - | 4.89 | 120,567 |
| Countries with Wild Tigers | 0 | - | 4.97 | 130,393 |
| Countries with Wild Penguins | 0 | - | 4.93 | 94,840 |
