| Countries of the World Quiz | 0 | - | 5.00 | 47,131,477 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,864 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,477 |
| Top World Languages | 0 | - | 4.92 | 816,747 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,069 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,263 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,514 |
| World's Busiest Airports | 0 | - | 4.95 | 225,979 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,785 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,065 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,921 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,506 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,965 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,979 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,130 |
| Boundary Waters | 0 | - | 4.92 | 88,203 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,942 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,611 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,930 |
| World Currency Quiz | 0 | - | 4.92 | 300,227 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,842 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,554 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,934 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,471 |
| Busiest Airports in the United States | 0 | - | 4.55 | 135,128 |
| Landlocked Countries | 0 | - | 4.99 | 416,246 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,802 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,839 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,341 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,488 |
| Cities by Airports | 0 | - | 4.49 | 88,478 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,313 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,852 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,736 |
| Himalayan Countries | 0 | - | 4.95 | 136,337 |
| Andean Countries | 0 | - | 4.95 | 83,393 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,655 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,885 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,350 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,956 |
| Danube Countries | 0 | - | 4.97 | 71,355 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,150 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,814 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,073 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,020 |
| European Landlocked Countries | 0 | - | 4.99 | 146,079 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,695 |
| Countries with the Most Species | 0 | - | 4.99 | 99,936 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,841 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,312 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,486 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,129 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,782 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,153 |
| Countries in the Alps | 0 | - | 4.86 | 117,281 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,921 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,804 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,226 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,759 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,218 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,943 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,967 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,765 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,299 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,337 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,689 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,634 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,867 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,401 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,155 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,769 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,467 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,790 |
| Largest Countries By Category | 0 | - | 4.97 | 157,204 |
| Countries by Countries | 0 | - | 4.96 | 62,558 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,047 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,719 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,989 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,612 |
| Demonyms Quiz | 0 | - | 4.15 | 184,969 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,315 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,130 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,826 |
| Longest International Borders | 0 | - | 4.99 | 264,246 |
| Countries with Three Borders | 0 | - | 4.96 | 36,330 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,762 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,843 |
| Demonym of Every Country | 0 | - | 4.91 | 58,881 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,243 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,518 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,894 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,649 |
| Island Countries | 0 | - | 4.99 | 708,677 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,868 |
| Northernmost Countries | 0 | - | 4.99 | 359,163 |
| Countries of South America | 0 | - | 5.00 | 919,134 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,965 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,351 |
| "Land" Countries | 0 | - | 4.98 | 334,319 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,775 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,373 |
| Airline Logos | 0 | - | 4.45 | 140,236 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,255 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,164 |
| Countries with Megacities | 0 | - | 4.99 | 248,708 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,030 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,483 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,433 |
| 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 | 135,394 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,512 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,008 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,002 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,236 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,084 |
| Countries by Capital City | 0 | - | 5.00 | 67,377 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,686 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,204 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,648 |
| Moved Capital Cities | 0 | - | 4.96 | 73,845 |
| Countries by Official Language | 0 | - | 4.95 | 193,882 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,359 |
| Countries in their Native Language | 0 | - | 4.99 | 197,527 |
| Independence from Whom | 0 | - | 4.99 | 210,440 |
| Subdivisions by Country | 0 | - | 4.86 | 50,177 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,253 |
| Megadiverse Countries | 0 | - | 4.96 | 134,512 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,715 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,063 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,611 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,401 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,186 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,504 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,516 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,350 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,798 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,108 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,561 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,661 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| 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 | 3,369,466 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,413 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,984 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,624 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,349 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,601 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,223 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,415 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,590 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,125 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,612 |
| Widest Countries East to West | 0 | - | 4.92 | 129,108 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,318 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,599 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,896 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,928 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,943 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,320 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,017 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,661 |
| Countries with Double Letters | 0 | - | 4.96 | 93,845 |
| Countries that End in N | 0 | - | 4.94 | 157,455 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,248 |
| Countries with Six Letters | 0 | - | 4.93 | 210,871 |
| Countries with W | 0 | - | 4.97 | 158,539 |
| Countries with Z | 0 | - | 4.98 | 288,442 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,873 |
| Countries That End in U | 0 | - | 4.95 | 119,677 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,037 |
| Countries that End in O | 0 | - | 4.92 | 158,716 |
| Countries that End in R | 0 | - | 4.87 | 118,423 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,978 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,604 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,655 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,743 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,309 |
| Countries That End in Y | 0 | - | 4.90 | 185,333 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,755 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,015 |
| Countries that End in I | 0 | - | 4.94 | 134,606 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,620 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,374 |
| Countries That End in NIA | 0 | - | 4.92 | 109,239 |
| Countries That End in BIA | 0 | - | 4.93 | 148,474 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,364 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,721 |
