| Busiest Airports in Europe | 0 | - | 4.91 | 144,893 |
| World's Busiest Airports | 0 | - | 4.94 | 210,401 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,909,625 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,102 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,046 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,542 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,783 |
| Top World Languages | 0 | - | 4.92 | 812,988 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,764 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,427 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,961 |
| Cities by Airports | 0 | - | 4.49 | 87,790 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,181 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,256 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,846 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,965 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,953 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,688 |
| Boundary Waters | 0 | - | 4.92 | 88,034 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,267 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,580 |
| World Currency Quiz | 0 | - | 4.92 | 298,390 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,779 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,000 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,782 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,250 |
| Landlocked Countries | 0 | - | 4.99 | 413,487 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,590 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,444 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,154 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,599 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,950 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,124 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,661 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,535 |
| Himalayan Countries | 0 | - | 4.95 | 135,313 |
| Andean Countries | 0 | - | 4.94 | 82,804 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,201 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,166 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,876 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,583 |
| Danube Countries | 0 | - | 4.97 | 71,067 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,744 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,525 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,447 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,370 |
| European Landlocked Countries | 0 | - | 4.99 | 145,739 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,185 |
| Countries with the Most Species | 0 | - | 4.99 | 95,235 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,319 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,365 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,950 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,569 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,943 |
| Countries in the Alps | 0 | - | 4.86 | 116,799 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,811 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,549 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,238 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,408 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,142 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,987 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,557 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,741 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,219 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,040 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,037 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,445 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,729 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,743 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,036 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,627 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,250 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,757 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,219 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,642 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,597 |
| Largest Countries By Category | 0 | - | 4.97 | 156,736 |
| Countries by Countries | 0 | - | 4.96 | 62,247 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,959 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,753 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,613 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,684 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,701 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,481 |
| Demonyms Quiz | 0 | - | 4.15 | 184,832 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,227 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,383 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,613 |
| Longest International Borders | 0 | - | 4.99 | 263,528 |
| Countries with Three Borders | 0 | - | 4.96 | 36,173 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,596 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,661 |
| Demonym of Every Country | 0 | - | 4.91 | 58,633 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,210 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,742 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,792 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,076 |
| Island Countries | 0 | - | 4.99 | 707,570 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,314 |
| Northernmost Countries | 0 | - | 4.99 | 357,663 |
| Countries of South America | 0 | - | 5.00 | 914,493 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,212 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,937 |
| "Land" Countries | 0 | - | 4.98 | 333,616 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,845 |
| Airline Logos | 0 | - | 4.45 | 139,937 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,158 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,122 |
| Countries with Megacities | 0 | - | 4.99 | 246,772 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,043 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,923 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,468 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,814 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,026 |
| Cities by Famous Street | 0 | - | 3.96 | 48,245 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,064 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,744 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,927 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,641 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,591 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,604 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,418 |
| Countries by Capital City | 0 | - | 5.00 | 66,624 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,314 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,899 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,404 |
| Moved Capital Cities | 0 | - | 4.96 | 73,579 |
| Countries by Official Language | 0 | - | 4.95 | 192,747 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,088 |
| Countries in their Native Language | 0 | - | 4.99 | 196,611 |
| Independence from Whom | 0 | - | 4.99 | 209,656 |
| Subdivisions by Country | 0 | - | 4.86 | 50,062 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,724 |
| Megadiverse Countries | 0 | - | 4.97 | 133,889 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,776 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,915 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,423 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,854 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,636 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,988 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,914 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,134 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,209 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,738 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,543 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,406 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,483 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,493 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,659 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,014 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,969 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,547 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,317 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,327 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,977 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,935 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,714 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,842 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,049 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,265 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,937 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,327 |
| Widest Countries East to West | 0 | - | 4.92 | 128,595 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,195 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,681 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,620 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,029 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,049 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,576 |
| Countries with Double Letters | 0 | - | 4.97 | 93,365 |
| Countries that End in N | 0 | - | 4.94 | 156,684 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,660 |
| Countries with Six Letters | 0 | - | 4.93 | 210,328 |
| Countries with W | 0 | - | 4.97 | 158,209 |
| Countries with Z | 0 | - | 4.98 | 287,843 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,533 |
| Countries That End in U | 0 | - | 4.95 | 119,508 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,520 |
| Countries that End in O | 0 | - | 4.92 | 158,544 |
| Countries that End in R | 0 | - | 4.87 | 118,266 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,855 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,994 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,307 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,481 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,998 |
| Countries That End in Y | 0 | - | 4.90 | 185,194 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,349 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,668 |
| Countries that End in I | 0 | - | 4.94 | 134,403 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,175 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,185 |
| Countries That End in NIA | 0 | - | 4.92 | 108,997 |
| Countries That End in BIA | 0 | - | 4.92 | 147,702 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,048 |
