| Busiest Airports in Europe | 0 | - | 4.91 | 143,319 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,924,882 |
| Countries with the Most Airports | 0 | - | 4.96 | 94,520 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 209,926 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 80,591 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 393,643 |
| Top World Languages | 0 | - | 4.92 | 795,418 |
| Busiest Airports in the United States | 0 | - | 4.53 | 133,763 |
| Places in their Native Language #1 | 0 | - | 4.85 | 236,479 |
| Places in their Native Language #2 | 0 | - | 4.88 | 121,726 |
| Cities by Airports | 0 | - | 4.48 | 86,869 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 132,010 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 120,724 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 114,471 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,388 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,354 |
| Airport Codes Quiz #2 | 0 | - | 4.40 | 94,264 |
| Boundary Waters | 0 | - | 4.92 | 87,285 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 34,249 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,849 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.92 | 59,243 |
| World Currency Quiz | 0 | - | 4.91 | 288,998 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,615 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 218,713 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,247 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 60,394 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 402,011 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 101,144 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 115,756 |
| World Geography on a Map #1 | 0 | - | 4.94 | 72,380 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,638 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,999 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 98,865 |
| World Capitals Quiz | 0 | - | 5.00 | 4,947,835 |
| Sahara Desert Countries | 0 | - | 4.97 | 155,197 |
| Himalayan Countries | 0 | - | 4.95 | 130,666 |
| Andean Countries | 0 | - | 4.94 | 79,996 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,271 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,603 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,717 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,764 |
| Danube Countries | 0 | - | 4.97 | 63,157 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,024 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,123 |
| Countries with the Worst Passports | 0 | - | 4.93 | 79,869 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,415 |
| European Landlocked Countries | 0 | - | 4.99 | 143,967 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,794 |
| Countries with the Most Species | 0 | - | 4.99 | 94,128 |
| Countries 197 to 205 | 0 | - | 4.88 | 67,197 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,670 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,858 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,018 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,615 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,784 |
| Countries in the Alps | 0 | - | 4.87 | 114,700 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,244 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,173 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,550 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,113 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,789 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,632 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,843 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,778 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,712 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,471 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,845 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,551 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,344 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,270 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,716 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,643 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,105 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,594 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,351 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,676 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 232,843 |
| World Countries - Blind Typing | 0 | - | 5.00 | 101,855 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,705 |
| Largest Countries By Category | 0 | - | 4.97 | 154,665 |
| Countries by Countries | 0 | - | 4.96 | 60,851 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,496 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,346 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,627,019 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 54,999 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 142,934 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,793 |
| Demonyms Quiz | 0 | - | 4.14 | 184,147 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,870 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 202,182 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 126,076 |
| Longest International Borders | 0 | - | 4.99 | 261,155 |
| Countries with Three Borders | 0 | - | 4.96 | 35,563 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 40,834 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 46,657 |
| Demonym of Every Country | 0 | - | 4.91 | 57,204 |
| Pacific Ocean General Knowledge | 0 | - | 4.68 | 36,033 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,540,505 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 367,882 |
| Island Countries Quiz | 0 | - | 4.99 | 702,509 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,022,363 |
| Northernmost Countries | 0 | - | 4.99 | 349,919 |
| Countries of South America | 0 | - | 5.00 | 896,180 |
| Countries of Oceania | 0 | - | 5.00 | 1,016,739 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,804,059 |
| World's Biggest Airlines | 0 | - | 4.43 | 120,475 |
| Airline Logos | 0 | - | 4.45 | 138,399 |
| Analogies of Countries #1 | 0 | - | 4.88 | 67,532 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,206 |
| Countries with Megacities | 0 | - | 4.99 | 228,151 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,402 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,854 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,181 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,470 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,263 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 80,884 |
| Cities by Famous Street | 0 | - | 3.96 | 48,110 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 31,940 |
| Global Cities on a World Map | 0 | - | 4.93 | 131,918 |
| Northernmost Capital Cities | 0 | - | 4.97 | 106,281 |
| Most Remote Capital Cities | 0 | - | 4.92 | 51,177 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 42,856 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 105,016 |
| Same Letter Country and Capital | 0 | - | 4.99 | 143,602 |
| Countries by Capital City | 0 | - | 5.00 | 63,770 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 74,587 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 112,511 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 81,917 |
| Moved Capital Cities | 0 | - | 4.96 | 72,475 |
| Countries by Official Language | 0 | - | 4.95 | 189,563 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,254 |
| Countries in their Native Language | 0 | - | 4.99 | 193,532 |
| Independence from Whom | 0 | - | 4.99 | 206,088 |
| Subdivisions by Country | 0 | - | 4.86 | 49,537 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 128,040 |
| Megadiverse Countries | 0 | - | 4.97 | 132,910 |
| Countries With the Most English Speakers | 0 | - | 4.88 | 127,293 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,323 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,753 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,431 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 50,004 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,273 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,098 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,760 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 151,887 |
| Countries with Multiple Populous Islands | 0 | - | 4.88 | 93,599 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,273 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,785 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 106,125 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,645 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,770 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,847 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,105 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,329,675 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 104,888 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 104,379 |
| Southernmost Countries of the World | 0 | - | 4.99 | 223,584 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,302 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,180 |
| Countries With the Most Languages | 0 | - | 4.89 | 195,941 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,238 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,678 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,899 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,079 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,180 |
| Widest Countries East to West | 0 | - | 4.92 | 127,216 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,870 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,582 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,811 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,669 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,027 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,695 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,719 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,277 |
| Countries with Double Letters | 0 | - | 4.97 | 89,435 |
| Countries that End in N | 0 | - | 4.93 | 152,608 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,110 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 206,693 |
| Countries with W | 0 | - | 4.97 | 155,039 |
| Countries with Z | 0 | - | 4.98 | 283,063 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,587 |
| Countries That End in U | 0 | - | 4.95 | 117,648 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 105,845 |
| Countries that End in O | 0 | - | 4.92 | 156,980 |
| Countries that End in R | 0 | - | 4.84 | 101,623 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,938 |
| Countries Ending in "IA" | 0 | - | 4.99 | 204,145 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 167,124 |
| Countries by Last Two Letters | 0 | - | 4.87 | 133,116 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 139,045 |
| Countries That End in Y | 0 | - | 4.91 | 184,071 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 194,061 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 149,792 |
| Countries that End in I | 0 | - | 4.93 | 118,811 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,859 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,201 |
| Countries That End in NIA | 0 | - | 4.92 | 107,788 |
| Countries That End in BIA | 0 | - | 4.92 | 146,135 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 164,187 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 117,114 |
