| Countries of the World Quiz | 0 | - | 5.00 | 47,782,766 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,717 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,991 |
| Top World Languages | 0 | - | 4.92 | 828,215 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,101 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,901 |
| World's Busiest Airports | 0 | - | 4.96 | 236,627 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,531 |
| Boundary Waters | 0 | - | 4.92 | 88,712 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,368 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,570 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,595 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,994 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,552 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,897 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 216,261 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,963 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,905 |
| World Currency Quiz | 0 | - | 4.92 | 306,005 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,595 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,462 |
| Landlocked Countries | 0 | - | 4.99 | 424,555 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,067 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,849 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,038 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,856 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,811 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,846 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,644 |
| Himalayan Countries | 0 | - | 4.94 | 139,781 |
| Andean Countries | 0 | - | 4.94 | 85,190 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,368 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,652 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,937 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,227 |
| Danube Countries | 0 | - | 4.97 | 72,274 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,420 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,708 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,859 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,360 |
| European Landlocked Countries | 0 | - | 4.99 | 147,458 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,092 |
| Countries with the Most Species | 0 | - | 4.99 | 103,489 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,238 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,822 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,481 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,907 |
| Countries in the Alps | 0 | - | 4.87 | 118,586 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,323 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,599 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,875 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,890 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,818 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,138 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,228 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,765 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,337 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,068 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,795 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,663 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,452 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,687 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,774 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,529 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,525 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,541 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,487 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,215 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,848 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,429 |
| Largest Countries By Category | 0 | - | 4.97 | 158,656 |
| Countries by Countries | 0 | - | 4.96 | 63,512 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,988 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,452 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,921 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,347 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,951 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,588 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,762 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,484 |
| Longest International Borders | 0 | - | 4.99 | 265,627 |
| Countries with Three Borders | 0 | - | 4.96 | 36,724 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,295 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,437 |
| Demonym of Every Country | 0 | - | 4.90 | 61,318 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,872 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,205 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,259 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,410 |
| Demonyms Quiz | 0 | - | 4.15 | 185,483 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,372 |
| Cities by Airports | 0 | - | 4.47 | 103,880 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,078 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,432 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,869 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,314 |
| Island Countries | 0 | - | 4.99 | 712,088 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,312 |
| Northernmost Countries | 0 | - | 4.99 | 363,419 |
| Countries of South America | 0 | - | 5.00 | 930,950 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,323 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,482 |
| "Land" Countries | 0 | - | 4.98 | 338,066 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,684 |
| Globe Grid | 0 | - | 4.32 | 32,031 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,101 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,819 |
| Countries with Megacities | 0 | - | 4.99 | 266,432 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,527 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,921 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,821 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,040 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,170 |
| Cities by Famous Street | 0 | - | 3.96 | 48,373 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,175 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,091 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,169 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,863 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,054 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,026 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,928 |
| Countries by Capital City | 0 | - | 5.00 | 69,184 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,726 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,100 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,694 |
| Moved Capital Cities | 0 | - | 4.96 | 74,572 |
| Countries by Official Language | 0 | - | 4.95 | 195,776 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,314 |
| Countries in their Native Language | 0 | - | 4.99 | 199,559 |
| Independence from Whom | 0 | - | 4.99 | 212,777 |
| Subdivisions by Country | 0 | - | 4.87 | 50,569 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,234 |
| Megadiverse Countries | 0 | - | 4.96 | 135,199 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,767 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,483 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,385 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,184 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,446 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,767 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,924 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,511 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,782 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,223 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,218 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,314 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,379 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,104 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,516 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,635 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,791 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,043 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,591 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,008 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,949 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,437 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,242 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,294 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,415 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,609 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,621 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,168 |
| Widest Countries East to West | 0 | - | 4.92 | 130,327 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,564 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,112 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,471 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,985 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,870 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,368 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,468 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,866 |
| Countries with Double Letters | 0 | - | 4.96 | 96,823 |
| Countries that End in N | 0 | - | 4.95 | 171,698 |
| Countries with Five Letters | 0 | - | 4.96 | 283,409 |
| Countries with Six Letters | 0 | - | 4.94 | 214,179 |
| Countries with W | 0 | - | 4.96 | 160,757 |
| Countries with Z | 0 | - | 4.98 | 292,144 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,104 |
| Countries That End in U | 0 | - | 4.95 | 121,081 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,917 |
| Countries that End in O | 0 | - | 4.92 | 159,729 |
| Countries that End in R | 0 | - | 4.87 | 119,116 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,868 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,602 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,013 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,725 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,650 |
| Countries That End in Y | 0 | - | 4.91 | 186,029 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,305 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,144 |
| Countries that End in I | 0 | - | 4.94 | 135,258 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,470 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,982 |
| Countries That End in NIA | 0 | - | 4.92 | 109,966 |
| Countries That End in BIA | 0 | - | 4.93 | 149,467 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,402 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,672 |
| Countries That End in RIA | 0 | - | 4.93 | 126,989 |
