| Countries of the World Quiz | 0 | - | 5.00 | 43,657,024 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,766 |
| Top World Languages | 0 | - | 4.91 | 757,955 |
| Places in their Native Language #1 | 0 | - | 4.84 | 229,811 |
| Places in their Native Language #2 | 0 | - | 4.89 | 118,200 |
| Busiest Airports in Europe | 0 | - | 4.92 | 139,180 |
| World's Busiest Airports | 0 | - | 4.93 | 197,184 |
| U.S. National Parks Map Quiz | 0 | - | 4.47 | 52,971 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 126,330 |
| Countries with the Most Airports | 0 | - | 4.97 | 88,541 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 113,181 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 105,122 |
| Busiest Air Routes in the World | 0 | - | 4.53 | 36,412 |
| Boundary Waters | 0 | - | 4.93 | 84,528 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,302 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 87,276 |
| Countries by Airline Passengers | 0 | - | 4.92 | 51,224 |
| World Currency Quiz | 0 | - | 4.92 | 260,176 |
| Tourist Route of Europe | 0 | - | 4.22 | 42,232 |
| Lonely Planet Top 200 Cities | 0 | - | 4.55 | 214,987 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 51,886 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 58,145 |
| Busiest Airports in the United States | 0 | - | 4.56 | 130,948 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,021 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 98,785 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 109,179 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,229 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,954 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,003 |
| Cities by Airports | 0 | - | 4.50 | 84,751 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.35 | 96,016 |
| World Capitals Quiz | 0 | - | 5.00 | 4,752,659 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,545 |
| Himalayan Countries | 0 | - | 4.95 | 118,636 |
| Andean Countries | 0 | - | 4.92 | 66,462 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,553 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,114 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,395 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,181 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,867 |
| Danube Countries | 0 | - | 4.97 | 59,859 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,566 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,922 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,314 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,695 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,435 |
| European Landlocked Countries | 0 | - | 4.99 | 139,812 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,360 |
| Countries with the Most Species | 0 | - | 4.99 | 91,709 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,844 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,297 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,419 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,751 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,898 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,335 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,776 |
| Countries in the Alps | 0 | - | 4.86 | 108,667 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 79,452 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,710 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,877 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,645 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,556 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,497 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,113 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,985 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,057 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,382 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,973 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,136 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,717 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,586 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,365 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,076 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,715 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,039 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,139 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,089 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,010 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,690 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,439 |
| Largest Countries By Category | 0 | - | 4.97 | 150,022 |
| Countries by Countries | 0 | - | 4.96 | 57,754 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,336,084 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,857 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,409,553 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 139,770 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,066 |
| Demonyms Quiz | 0 | - | 4.12 | 182,250 |
| Airport Codes Quiz #1 | 0 | - | 4.80 | 200,884 |
| Who Controls It? #1 | 0 | - | 4.82 | 46,845 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 187,492 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 113,785 |
| Longest International Borders | 0 | - | 4.99 | 242,106 |
| Countries with Three Borders | 0 | - | 4.96 | 33,733 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 38,716 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 43,724 |
| Demonym of Every Country | 0 | - | 4.91 | 54,148 |
| Pacific Ocean General Knowledge | 0 | - | 4.65 | 35,444 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,471,089 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 356,832 |
| Island Countries Quiz | 0 | - | 4.99 | 685,625 |
| Biggest Countries by Area | 0 | - | 5.00 | 979,698 |
| Northernmost Countries | 0 | - | 4.99 | 339,949 |
| Countries of South America | 0 | - | 5.00 | 848,959 |
| Countries of Oceania | 0 | - | 5.00 | 959,756 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,698,990 |
| Airports Named for People #1 | 0 | - | 4.45 | 54,411 |
| Airline Logos | 0 | - | 4.44 | 134,308 |
| Analogies of Countries #1 | 0 | - | 4.88 | 65,633 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,355 |
| Countries with Megacities | 0 | - | 4.99 | 214,048 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,215 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,882 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,397 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,609 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,181 |
| Cities by Tourist Attraction #1 | 0 | - | 3.60 | 80,518 |
| Cities by Famous Street | 0 | - | 3.99 | 47,816 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 31,647 |
| Global Cities on a World Map | 0 | - | 4.93 | 96,430 |
| Northernmost Capital Cities | 0 | - | 4.98 | 100,907 |
| Most Remote Capital Cities | 0 | - | 4.90 | 47,834 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,016 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 98,878 |
| Same Letter Country and Capital | 0 | - | 4.99 | 136,431 |
| Countries by Capital City | 0 | - | 5.00 | 57,173 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 70,653 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,150 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 78,031 |
| Moved Capital Cities | 0 | - | 4.95 | 69,945 |
| Countries by Official Language | 0 | - | 4.95 | 182,097 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,096 |
| Countries in their Native Language | 0 | - | 4.98 | 187,031 |
| Independence from Whom | 0 | - | 4.99 | 197,446 |
| Subdivisions by Country | 0 | - | 4.86 | 48,162 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 121,897 |
| Megadiverse Countries | 0 | - | 4.96 | 129,825 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 119,552 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,160 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,082 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,987 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,822 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,906 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,326 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,581 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,097 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,710 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,141 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,303 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,668 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 71,560 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,948 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,226,606 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,784 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,591 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,460 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,946 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,777 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,792 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,489 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,201 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,656 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,786 |
| Widest Countries East to West | 0 | - | 4.92 | 123,696 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,935 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,276 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,038 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,536 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,059 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,523 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,756 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,301 |
| Countries with Double Letters | 0 | - | 4.96 | 79,930 |
| Countries that End in N | 0 | - | 4.93 | 144,165 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 242,987 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,362 |
| Countries with W | 0 | - | 4.97 | 131,847 |
| Countries with Z | 0 | - | 4.98 | 273,481 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,148 |
| Countries That End in U | 0 | - | 4.95 | 113,211 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,641 |
| Countries that End in O | 0 | - | 4.92 | 152,915 |
| Countries that End in R | 0 | - | 4.84 | 99,385 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,034 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,234 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,230 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,007 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,522 |
| Countries That End in Y | 0 | - | 4.91 | 181,161 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,683 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,474 |
| Countries that End in I | 0 | - | 4.92 | 116,971 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,128 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,481 |
| Countries That End in NIA | 0 | - | 4.92 | 104,491 |
| Countries That End in BIA | 0 | - | 4.92 | 141,538 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,034 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,928 |
| Countries That End in RIA | 0 | - | 4.89 | 104,848 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,006 |
