| Countries of the World Quiz | 0 | - | 5.00 | 43,731,807 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,251 |
| Top World Languages | 0 | - | 4.91 | 759,194 |
| Places in their Native Language #1 | 0 | - | 4.84 | 230,101 |
| Places in their Native Language #2 | 0 | - | 4.89 | 118,277 |
| Busiest Airports in Europe | 0 | - | 4.92 | 139,293 |
| World's Busiest Airports | 0 | - | 4.94 | 197,343 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 126,493 |
| Countries with the Most Airports | 0 | - | 4.96 | 88,717 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 113,427 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 105,442 |
| Busiest Air Routes in the World | 0 | - | 4.53 | 36,436 |
| Airline Logos | 0 | - | 4.44 | 134,452 |
| Boundary Waters | 0 | - | 4.93 | 84,640 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,383 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 89,825 |
| Countries by Airline Passengers | 0 | - | 4.91 | 51,276 |
| World Currency Quiz | 0 | - | 4.92 | 260,491 |
| Tourist Route of Europe | 0 | - | 4.23 | 42,244 |
| Lonely Planet Top 200 Cities | 0 | - | 4.55 | 215,113 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 51,932 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 58,205 |
| Busiest Airports in the United States | 0 | - | 4.56 | 131,018 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,962 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 98,873 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 109,510 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,304 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,122 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,181 |
| Cities by Airports | 0 | - | 4.50 | 84,843 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.35 | 96,099 |
| World Capitals Quiz | 0 | - | 5.00 | 4,758,667 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,007 |
| Himalayan Countries | 0 | - | 4.95 | 119,027 |
| Andean Countries | 0 | - | 4.92 | 66,723 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,294 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,648 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,334 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,004 |
| Danube Countries | 0 | - | 4.97 | 59,966 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,687 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,009 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,542 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,296 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,814 |
| European Landlocked Countries | 0 | - | 4.99 | 139,900 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,539 |
| Countries with the Most Species | 0 | - | 4.99 | 91,777 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,003 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,339 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,463 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,845 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,976 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,405 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,860 |
| Countries in the Alps | 0 | - | 4.86 | 109,153 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 79,501 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,827 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,058 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,740 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,658 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,648 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,196 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,120 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,138 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,449 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,072 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,194 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,779 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,652 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,453 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,152 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,808 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,282 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,225 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,162 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,463 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,947 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,498 |
| Largest Countries By Category | 0 | - | 4.97 | 150,162 |
| Countries by Countries | 0 | - | 4.96 | 57,817 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,342,030 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,977 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,417,553 |
| U.S. National Parks Map Quiz | 0 | - | 4.47 | 53,114 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 139,862 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,101 |
| Demonyms Quiz | 0 | - | 4.12 | 182,311 |
| Airport Codes Quiz #1 | 0 | - | 4.80 | 201,149 |
| Who Controls It? #1 | 0 | - | 4.82 | 46,883 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 187,665 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 113,847 |
| Longest International Borders | 0 | - | 4.99 | 242,297 |
| Countries with Three Borders | 0 | - | 4.96 | 33,783 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 38,786 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 43,815 |
| Demonym of Every Country | 0 | - | 4.91 | 54,244 |
| Pacific Ocean General Knowledge | 0 | - | 4.65 | 35,479 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,473,256 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,176 |
| Island Countries Quiz | 0 | - | 4.99 | 686,192 |
| Biggest Countries by Area | 0 | - | 5.00 | 980,839 |
| Northernmost Countries | 0 | - | 4.99 | 340,206 |
| Countries of South America | 0 | - | 5.00 | 850,827 |
| Countries of Oceania | 0 | - | 5.00 | 961,719 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,702,692 |
| Airports Named for People #1 | 0 | - | 4.45 | 54,438 |
| Analogies of Countries #1 | 0 | - | 4.87 | 65,747 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,809 |
| Countries with Megacities | 0 | - | 4.99 | 214,876 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,552 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,087 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 110,815 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,855 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,648 |
| Cities by Tourist Attraction #1 | 0 | - | 3.60 | 80,528 |
| Cities by Famous Street | 0 | - | 3.96 | 47,823 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 31,654 |
| Global Cities on a World Map | 0 | - | 4.93 | 96,530 |
| Northernmost Capital Cities | 0 | - | 4.98 | 101,062 |
| Most Remote Capital Cities | 0 | - | 4.90 | 47,934 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,100 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 99,027 |
| Same Letter Country and Capital | 0 | - | 4.99 | 136,625 |
| Countries by Capital City | 0 | - | 5.00 | 57,377 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 70,769 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,245 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 78,165 |
| Moved Capital Cities | 0 | - | 4.95 | 70,038 |
| Countries by Official Language | 0 | - | 4.95 | 182,327 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 279,634 |
| Countries in their Native Language | 0 | - | 4.98 | 187,264 |
| Independence from Whom | 0 | - | 4.99 | 197,708 |
| Subdivisions by Country | 0 | - | 4.86 | 48,209 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,072 |
| Megadiverse Countries | 0 | - | 4.96 | 129,937 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,324 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,220 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,119 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,143 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,890 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,063 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,404 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,640 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,126 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,147 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,208 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,378 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,741 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,631 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,009 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,230,444 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,897 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,768 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,557 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 115,070 |
| Countries With the Most Languages | 0 | - | 4.88 | 187,045 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,851 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,613 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,285 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,736 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,877 |
| Widest Countries East to West | 0 | - | 4.92 | 123,775 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,958 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,369 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,089 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,631 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,245 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,608 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,795 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,342 |
| Countries with Double Letters | 0 | - | 4.96 | 80,331 |
| Countries that End in N | 0 | - | 4.93 | 144,452 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,397 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,675 |
| Countries with W | 0 | - | 4.97 | 132,068 |
| Countries with Z | 0 | - | 4.98 | 273,821 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,320 |
| Countries That End in U | 0 | - | 4.95 | 113,403 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,894 |
| Countries that End in O | 0 | - | 4.92 | 153,048 |
| Countries that End in R | 0 | - | 4.84 | 99,473 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,477 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,483 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,376 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,143 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,664 |
| Countries That End in Y | 0 | - | 4.91 | 181,246 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,885 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,639 |
| Countries that End in I | 0 | - | 4.92 | 117,043 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,305 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,571 |
| Countries That End in NIA | 0 | - | 4.92 | 104,588 |
| Countries That End in BIA | 0 | - | 4.92 | 141,656 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,219 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,041 |
| Countries That End in RIA | 0 | - | 4.89 | 104,910 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,139 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 213,219 |
