| Countries of the World Quiz | 0 | - | 5.00 | 47,133,735 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,869 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,498 |
| Top World Languages | 0 | - | 4.92 | 816,773 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,075 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,267 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,522 |
| World's Busiest Airports | 0 | - | 4.95 | 226,230 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,136 |
| Boundary Waters | 0 | - | 4.92 | 88,204 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,943 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,613 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,073 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,929 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,511 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,975 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,987 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,842 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,934 |
| World Currency Quiz | 0 | - | 4.92 | 300,256 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,558 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,936 |
| Landlocked Countries | 0 | - | 4.99 | 416,269 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,476 |
| Busiest Airports in the United States | 0 | - | 4.55 | 135,132 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,343 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,233 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,493 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,757 |
| Himalayan Countries | 0 | - | 4.95 | 136,347 |
| Andean Countries | 0 | - | 4.95 | 83,399 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,661 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,888 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,355 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,962 |
| Danube Countries | 0 | - | 4.97 | 71,359 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,155 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,816 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,081 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,028 |
| European Landlocked Countries | 0 | - | 4.99 | 146,087 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,699 |
| Countries with the Most Species | 0 | - | 4.99 | 100,124 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,843 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,312 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,488 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,130 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,785 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,155 |
| Countries in the Alps | 0 | - | 4.86 | 117,287 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,868 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,807 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,229 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,700 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,765 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,220 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,945 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,968 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,769 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,302 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,339 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,692 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,960 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,972 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,637 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,868 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,403 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,156 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,782 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,472 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,790 |
| Largest Countries By Category | 0 | - | 4.97 | 157,205 |
| Countries by Countries | 0 | - | 4.96 | 62,559 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,049 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,802 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,840 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,993 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,612 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,316 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,134 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,826 |
| Longest International Borders | 0 | - | 4.99 | 264,247 |
| Countries with Three Borders | 0 | - | 4.96 | 36,330 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,763 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,849 |
| Demonym of Every Country | 0 | - | 4.91 | 58,884 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,316 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,057 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,922 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,929 |
| Demonyms Quiz | 0 | - | 4.15 | 184,969 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,243 |
| Cities by Airports | 0 | - | 4.49 | 88,482 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,785 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,535 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,991 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,661 |
| Island Countries | 0 | - | 4.99 | 708,688 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,886 |
| Northernmost Countries | 0 | - | 4.99 | 359,178 |
| Countries of South America | 0 | - | 5.00 | 919,163 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,024 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,441 |
| "Land" Countries | 0 | - | 4.98 | 334,349 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,256 |
| Globe Grid | 0 | - | 4.32 | 31,955 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,526 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,168 |
| Countries with Megacities | 0 | - | 4.99 | 248,724 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,033 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,488 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,402 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,439 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,056 |
| Cities by Famous Street | 0 | - | 3.96 | 48,282 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,095 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,397 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,515 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,012 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,007 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,238 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,088 |
| Countries by Capital City | 0 | - | 5.00 | 67,384 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,688 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,210 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,651 |
| Moved Capital Cities | 0 | - | 4.96 | 73,846 |
| Countries by Official Language | 0 | - | 4.95 | 193,884 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,375 |
| Countries in their Native Language | 0 | - | 4.99 | 197,534 |
| Independence from Whom | 0 | - | 4.99 | 210,472 |
| Subdivisions by Country | 0 | - | 4.86 | 50,181 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,255 |
| Megadiverse Countries | 0 | - | 4.96 | 134,513 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,726 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,064 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,612 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,407 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,189 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,511 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,518 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,352 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,800 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,111 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,563 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,663 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,629 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,833 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,183 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,528 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,417 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,993 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,625 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,354 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,606 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,223 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,419 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,594 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,128 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,613 |
| Widest Countries East to West | 0 | - | 4.92 | 129,111 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,319 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,600 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,897 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,931 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,944 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,323 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,025 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,662 |
| Countries with Double Letters | 0 | - | 4.96 | 93,882 |
| Countries that End in N | 0 | - | 4.94 | 159,003 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,284 |
| Countries with Six Letters | 0 | - | 4.93 | 210,894 |
| Countries with W | 0 | - | 4.97 | 158,568 |
| Countries with Z | 0 | - | 4.98 | 288,489 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,887 |
| Countries That End in U | 0 | - | 4.95 | 119,705 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,049 |
| Countries that End in O | 0 | - | 4.92 | 158,733 |
| Countries that End in R | 0 | - | 4.87 | 118,431 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,982 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,615 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,665 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,752 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,317 |
| Countries That End in Y | 0 | - | 4.90 | 185,338 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,761 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,018 |
| Countries that End in I | 0 | - | 4.94 | 134,612 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,624 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,377 |
| Countries That End in NIA | 0 | - | 4.92 | 109,249 |
| Countries That End in BIA | 0 | - | 4.93 | 148,486 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,368 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,724 |
| Countries That End in RIA | 0 | - | 4.93 | 126,290 |
