| Busiest Airports in Europe | 0 | - | 4.91 | 147,017 |
| World's Busiest Airports | 0 | - | 4.96 | 237,167 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,862,166 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,150 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 216,468 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,781 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,574 |
| Top World Languages | 0 | - | 4.92 | 829,506 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,120 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,305 |
| Cities by Airports | 0 | - | 4.47 | 104,005 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,770 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,755 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,183 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,569 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,101 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 97,715 |
| Boundary Waters | 0 | - | 4.92 | 88,754 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,406 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,681 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 72,995 |
| World Currency Quiz | 0 | - | 4.92 | 306,597 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,970 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,670 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,497 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,115 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,926 |
| Landlocked Countries | 0 | - | 4.99 | 425,576 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,517 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,055 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,916 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,950 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,980 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,923 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,734 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,137 |
| Himalayan Countries | 0 | - | 4.93 | 140,143 |
| Andean Countries | 0 | - | 4.94 | 85,382 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,529 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,919 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,102 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,381 |
| Danube Countries | 0 | - | 4.97 | 72,351 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,551 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,802 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,061 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,555 |
| European Landlocked Countries | 0 | - | 4.99 | 147,580 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,258 |
| Countries with the Most Species | 0 | - | 4.99 | 103,545 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,368 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,765 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,871 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,820 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,559 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,987 |
| Countries in the Alps | 0 | - | 4.87 | 118,738 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,302 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,563 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,807 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,944 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,000 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,918 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,230 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,368 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,828 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,404 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,153 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,852 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,730 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,537 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,764 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,865 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,774 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,591 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,766 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,636 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,583 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,085 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,489 |
| Largest Countries By Category | 0 | - | 4.97 | 158,820 |
| Countries by Countries | 0 | - | 4.96 | 63,618 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,389 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,083 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,106 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,096 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,441 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,975 |
| Demonyms Quiz | 0 | - | 4.15 | 185,527 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,614 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,035 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,555 |
| Longest International Borders | 0 | - | 4.99 | 265,791 |
| Countries with Three Borders | 0 | - | 4.96 | 36,760 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,341 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,487 |
| Demonym of Every Country | 0 | - | 4.90 | 61,455 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,388 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,239 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,084 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,622 |
| Island Countries | 0 | - | 4.99 | 712,477 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,470 |
| Northernmost Countries | 0 | - | 4.99 | 363,885 |
| Countries of South America | 0 | - | 5.00 | 932,336 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,955 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,478 |
| "Land" Countries | 0 | - | 4.98 | 338,336 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,176 |
| Airline Logos | 0 | - | 4.45 | 141,413 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,727 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,090 |
| Countries with Megacities | 0 | - | 4.99 | 266,997 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,801 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,099 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,111 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,214 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,182 |
| Cities by Famous Street | 0 | - | 3.96 | 48,381 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,179 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,270 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,323 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,960 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,179 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,201 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,103 |
| Countries by Capital City | 0 | - | 5.00 | 69,354 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,834 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,204 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,792 |
| Moved Capital Cities | 0 | - | 4.96 | 74,632 |
| Countries by Official Language | 0 | - | 4.95 | 195,959 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,579 |
| Countries in their Native Language | 0 | - | 4.99 | 199,701 |
| Independence from Whom | 0 | - | 4.99 | 213,014 |
| Subdivisions by Country | 0 | - | 4.87 | 50,605 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,405 |
| Megadiverse Countries | 0 | - | 4.96 | 135,266 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,916 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,530 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,615 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,223 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,801 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,835 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,091 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,561 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,995 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,250 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,490 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,362 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,437 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,138 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,567 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,810 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,123 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,300 |
| World Map Quiz | 0 | - | 4.81 | 65,683 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,697 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,212 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,052 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,539 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,518 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,412 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,510 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,706 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,680 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,658 |
| Widest Countries East to West | 0 | - | 4.92 | 130,434 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,592 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,234 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,512 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,053 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,954 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,465 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,492 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,888 |
| Countries with Double Letters | 0 | - | 4.96 | 97,030 |
| Countries that End in N | 0 | - | 4.95 | 171,891 |
| Countries with Five Letters | 0 | - | 4.96 | 283,702 |
| Countries with Six Letters | 0 | - | 4.94 | 214,432 |
| Countries with W | 0 | - | 4.96 | 160,906 |
| Countries with Z | 0 | - | 4.98 | 292,395 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,262 |
| Countries That End in U | 0 | - | 4.95 | 121,174 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,072 |
| Countries that End in O | 0 | - | 4.92 | 160,196 |
| Countries that End in R | 0 | - | 4.87 | 119,173 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,924 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,802 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,127 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,808 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,736 |
| Countries That End in Y | 0 | - | 4.91 | 186,081 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,433 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,258 |
| Countries that End in I | 0 | - | 4.94 | 135,307 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,600 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,042 |
| Countries That End in NIA | 0 | - | 4.92 | 110,040 |
| Countries That End in BIA | 0 | - | 4.93 | 149,565 |
