| Busiest Airports in Europe | 0 | - | 4.91 | 146,231 |
| World's Busiest Airports | 0 | - | 4.96 | 233,658 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,463,310 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,877 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,052 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,358 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,256 |
| Top World Languages | 0 | - | 4.92 | 822,286 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,588 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,942 |
| Cities by Airports | 0 | - | 4.49 | 88,728 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,841 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,503 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,365 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,364 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,913 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 97,083 |
| Boundary Waters | 0 | - | 4.92 | 88,469 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,170 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,096 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,413 |
| World Currency Quiz | 0 | - | 4.92 | 303,093 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,921 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,972 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,137 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,771 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,299 |
| Landlocked Countries | 0 | - | 4.99 | 420,570 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,093 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,375 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,611 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,957 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,185 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,582 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,099 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,726 |
| Himalayan Countries | 0 | - | 4.95 | 138,097 |
| Andean Countries | 0 | - | 4.95 | 84,273 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,492 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,342 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,124 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,569 |
| Danube Countries | 0 | - | 4.97 | 71,836 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,801 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,243 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,979 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,433 |
| European Landlocked Countries | 0 | - | 4.99 | 146,969 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,383 |
| Countries with the Most Species | 0 | - | 4.99 | 103,095 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,534 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,659 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,447 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,508 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,074 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,537 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,722 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,455 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,308 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,833 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,471 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,342 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,706 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,072 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,350 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,549 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,692 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,824 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,197 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,681 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,934 |
| Countries by Countries | 0 | - | 4.97 | 63,017 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,218 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,512 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,871 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,922 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,561 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,798 |
| Demonyms Quiz | 0 | - | 4.15 | 185,198 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,444 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,603 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,191 |
| Longest International Borders | 0 | - | 4.99 | 264,951 |
| Countries with Three Borders | 0 | - | 4.96 | 36,534 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,014 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,134 |
| Demonym of Every Country | 0 | - | 4.91 | 60,175 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,315 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,326 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,514 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,058 |
| Island Countries | 0 | - | 4.99 | 710,406 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,931 |
| Northernmost Countries | 0 | - | 4.99 | 361,243 |
| Countries of South America | 0 | - | 5.00 | 925,142 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,088 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,036 |
| "Land" Countries | 0 | - | 4.98 | 336,461 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,185 |
| Airline Logos | 0 | - | 4.45 | 140,744 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,399 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,474 |
| Countries with Megacities | 0 | - | 4.99 | 263,458 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,314 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,256 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,609 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,292 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,113 |
| Cities by Famous Street | 0 | - | 3.96 | 48,320 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,130 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,136 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,253 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,405 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,499 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,230 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,003 |
| Countries by Capital City | 0 | - | 5.00 | 68,283 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,167 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,651 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,198 |
| Moved Capital Cities | 0 | - | 4.96 | 74,212 |
| Countries by Official Language | 0 | - | 4.95 | 194,944 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,962 |
| Countries in their Native Language | 0 | - | 4.99 | 198,468 |
| Independence from Whom | 0 | - | 4.99 | 211,727 |
| Subdivisions by Country | 0 | - | 4.86 | 50,363 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,991 |
| Megadiverse Countries | 0 | - | 4.96 | 134,888 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,810 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,262 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,846 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,060 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,918 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,486 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,228 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,939 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,566 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,352 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,796 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,095 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,873 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,419 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,803 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,698 |
| World Map Quiz | 0 | - | 4.81 | 64,877 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,198 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,790 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,100 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,832 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,791 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,730 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,863 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,173 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,354 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,444 |
| Widest Countries East to West | 0 | - | 4.92 | 129,509 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,417 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,169 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,064 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,643 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,418 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,710 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,312 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,764 |
| Countries with Double Letters | 0 | - | 4.97 | 95,407 |
| Countries that End in N | 0 | - | 4.95 | 170,448 |
| Countries with Five Letters | 0 | - | 4.96 | 281,415 |
| Countries with Six Letters | 0 | - | 4.94 | 212,867 |
| Countries with W | 0 | - | 4.97 | 159,740 |
| Countries with Z | 0 | - | 4.98 | 290,673 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,002 |
| Countries That End in U | 0 | - | 4.95 | 120,529 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,029 |
| Countries that End in O | 0 | - | 4.92 | 159,298 |
| Countries that End in R | 0 | - | 4.87 | 118,811 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,583 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,645 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,343 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,231 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,852 |
| Countries That End in Y | 0 | - | 4.91 | 185,734 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,547 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,633 |
| Countries that End in I | 0 | - | 4.94 | 134,963 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,748 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,676 |
| Countries That End in NIA | 0 | - | 4.92 | 109,635 |
| Countries That End in BIA | 0 | - | 4.93 | 148,994 |
