| Busiest Airports in Europe | 0 | - | 4.91 | 146,278 |
| World's Busiest Airports | 0 | - | 4.96 | 233,922 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,487,143 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,937 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,123 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,387 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,472 |
| Top World Languages | 0 | - | 4.92 | 822,671 |
| Busiest Airports in the United States | 0 | - | 4.55 | 135,611 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,008 |
| Cities by Airports | 0 | - | 4.49 | 88,746 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,907 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,577 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,458 |
| Capital City Etymologies | 0 | - | 4.77 | 63,319 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,447 |
| World Currency Quiz | 0 | - | 4.92 | 303,321 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,377 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 97,117 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,001 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,149 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,789 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,119 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,425 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,349 |
| Boundary Waters | 0 | - | 4.92 | 88,489 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,183 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,140 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,926 |
| Landlocked Countries | 0 | - | 4.99 | 420,849 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,932 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,596 |
| World Capitals Quiz | 0 | - | 5.00 | 5,076,151 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,079 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,994 |
| Demonyms Quiz | 0 | - | 4.15 | 185,225 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,630 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,222 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,232 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,563 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,333 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,150 |
| Island Countries | 0 | - | 4.99 | 710,572 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,925 |
| Himalayan Countries | 0 | - | 4.95 | 138,229 |
| Andean Countries | 0 | - | 4.95 | 84,334 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,563 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,448 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,184 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,608 |
| Danube Countries | 0 | - | 4.97 | 71,873 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,844 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,275 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,050 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,517 |
| European Landlocked Countries | 0 | - | 4.99 | 147,007 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,426 |
| Countries with the Most Species | 0 | - | 4.99 | 103,129 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,575 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,525 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,463 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,139 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,540 |
| Countries in the Alps | 0 | - | 4.87 | 118,011 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,072 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,796 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,563 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,484 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,355 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,854 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,508 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,375 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,098 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,726 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,577 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,434 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,098 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,372 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,395 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,619 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,197 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,717 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,861 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,366 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,761 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,134 |
| Largest Countries By Category | 0 | - | 4.97 | 157,982 |
| Countries by Countries | 0 | - | 4.96 | 63,054 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,549 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,336 |
| Northernmost Countries | 0 | - | 4.99 | 361,401 |
| Countries of South America | 0 | - | 5.00 | 925,548 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,659 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,093 |
| "Land" Countries | 0 | - | 4.98 | 336,865 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,602 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,815 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,252 |
| Airline Logos | 0 | - | 4.45 | 140,807 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,451 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,675 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,216 |
| Longest International Borders | 0 | - | 4.99 | 264,984 |
| Countries with Three Borders | 0 | - | 4.96 | 36,550 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,034 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,147 |
| Demonym of Every Country | 0 | - | 4.91 | 60,334 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,404 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,579 |
| Countries with Megacities | 0 | - | 4.99 | 263,709 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,416 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,303 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,693 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,346 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,126 |
| Cities by Famous Street | 0 | - | 3.96 | 48,325 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,136 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,206 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,305 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,446 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,542 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,284 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,073 |
| Countries by Capital City | 0 | - | 5.00 | 68,351 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,206 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,682 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,241 |
| Moved Capital Cities | 0 | - | 4.96 | 74,234 |
| Countries by Official Language | 0 | - | 4.95 | 195,005 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,045 |
| Countries in their Native Language | 0 | - | 4.99 | 198,516 |
| Independence from Whom | 0 | - | 4.99 | 211,796 |
| Subdivisions by Country | 0 | - | 4.86 | 50,379 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,193 |
| Megadiverse Countries | 0 | - | 4.96 | 134,912 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,860 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,280 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,863 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,068 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,960 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,503 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,275 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,961 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,586 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,415 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,808 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,122 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,898 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,268 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,431 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,649 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,812 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,228 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,854 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,137 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,857 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,872 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,766 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,899 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,200 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,377 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,476 |
| Widest Countries East to West | 0 | - | 4.92 | 129,547 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,421 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,225 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,077 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,662 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,448 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,731 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,329 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,773 |
| Airlines by Country | 0 | - | 4.52 | 135,417 |
| Countries with Double Letters | 0 | - | 4.97 | 95,824 |
| Countries that End in N | 0 | - | 4.95 | 170,761 |
| Countries with Five Letters | 0 | - | 4.96 | 281,835 |
| Countries with Six Letters | 0 | - | 4.94 | 213,167 |
| Countries with W | 0 | - | 4.97 | 160,052 |
| Countries with Z | 0 | - | 4.98 | 291,025 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,395 |
| Countries That End in U | 0 | - | 4.95 | 120,688 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,182 |
| Countries that End in O | 0 | - | 4.92 | 159,399 |
| Countries that End in R | 0 | - | 4.87 | 118,870 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,645 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,787 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,461 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,309 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,029 |
| Countries That End in Y | 0 | - | 4.91 | 185,789 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,654 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,685 |
| Countries that End in I | 0 | - | 4.94 | 135,007 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,828 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,729 |
| Countries That End in NIA | 0 | - | 4.92 | 109,673 |
| Countries That End in BIA | 0 | - | 4.93 | 149,053 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,945 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,271 |
