| Countries of the World Quiz | 0 | - | 5.00 | 40,422,581 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,429 |
| Top World Languages | 0 | - | 4.91 | 698,233 |
| Places in their Native Language #1 | 0 | - | 4.87 | 208,801 |
| Places in their Native Language #2 | 0 | - | 4.88 | 112,268 |
| Europe's Busiest Airports | 0 | - | 4.91 | 131,798 |
| World's Busiest Airports | 0 | - | 4.94 | 187,601 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 97,837 |
| Countries with the Most Airports | 0 | - | 4.96 | 78,994 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.96 | 101,851 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 89,756 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 187,836 |
| Busiest Air Routes in the World | 0 | - | 4.52 | 35,099 |
| Airline Logos | 0 | - | 4.43 | 126,373 |
| Boundary Waters | 0 | - | 4.93 | 80,432 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,740 |
| Countries by Airline Passengers | 0 | - | 4.91 | 48,814 |
| World Currency Quiz | 0 | - | 4.92 | 244,892 |
| Tourist Route of Europe | 0 | - | 4.22 | 41,710 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,770 |
| Lonely Planet Top 200 Cities | 0 | - | 4.66 | 208,909 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 49,598 |
| Largest Countries with Little Tourism | 0 | - | 4.71 | 54,035 |
| Most Hashtagged Cities on Instagram | 0 | - | 4.45 | 32,330 |
| Busiest Airports in the United States | 0 | - | 4.55 | 126,061 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,992 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 94,758 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 75,657 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,796 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,089 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,778 |
| Cities by Airports | 0 | - | 4.51 | 80,844 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.33 | 91,473 |
| World Capitals Quiz | 0 | - | 5.00 | 4,456,313 |
| Countries on the Equator | 0 | - | 4.82 | 132,197 |
| Members of the Arab League | 0 | - | 4.82 | 59,046 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,025 |
| Himalayan Countries | 0 | - | 4.95 | 102,330 |
| Andean Countries | 0 | - | 4.90 | 56,840 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,679 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,533 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,843 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,515 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,688 |
| Danube Countries | 0 | - | 4.97 | 56,339 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,371 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,582 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,250 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,736 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,337 |
| European Landlocked Countries | 0 | - | 4.99 | 114,816 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,713 |
| Countries with the Most Species | 0 | - | 4.99 | 89,077 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,763 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,422 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,793 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,093 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,435 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,646 |
| Countries in the Alps | 0 | - | 4.82 | 101,751 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.23 | 76,045 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,568 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,694 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,094 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,667 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,311 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,823 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,001 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,723 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,050 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,106 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,875 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,319 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,389 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,914 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,459 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,925 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,487 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,922 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,917 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,452 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,227 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,922 |
| Largest Countries By Category | 0 | - | 4.96 | 143,809 |
| Countries by Countries | 0 | - | 4.95 | 54,021 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,013,567 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,256 |
| U.S. National Parks Map Quiz | 0 | - | 4.51 | 51,538 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,283 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,814 |
| Demonyms Quiz | 0 | - | 4.12 | 178,449 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,233 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,010 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,178 |
| Longest International Borders | 0 | - | 4.99 | 232,658 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,370 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,284 |
| Demonym of Every Country | 0 | - | 4.91 | 48,760 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,368,093 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,357 |
| Island Countries Quiz | 0 | - | 4.99 | 637,989 |
| Biggest Countries by Area | 0 | - | 5.00 | 924,070 |
| Northernmost Countries | 0 | - | 4.99 | 325,191 |
| Countries of South America | 0 | - | 5.00 | 782,920 |
| Countries of Oceania | 0 | - | 5.00 | 881,033 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,104,862 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,549,650 |
| Airports Named for People #1 | 0 | - | 4.45 | 53,070 |
| Countries with Three Borders | 0 | - | 4.96 | 30,805 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,789 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,027 |
| Countries with Megacities | 0 | - | 4.99 | 194,549 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,308 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,775 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,578 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,645 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,835 |
| Cities by Tourist Attraction #1 | 0 | - | 3.64 | 79,969 |
| Cities by Famous Street | 0 | - | 3.99 | 47,363 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,614 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,959 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,035 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,654 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,609 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,842 |
| Countries by Capital City | 0 | - | 4.99 | 48,155 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,228 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 92,977 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,122 |
| Moved Capital Cities | 0 | - | 4.94 | 51,875 |
| Countries by Official Language | 0 | - | 4.95 | 153,382 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,489 |
| Countries in their Native Language | 0 | - | 4.98 | 176,893 |
| Independence from Whom | 0 | - | 4.99 | 182,789 |
| Subdivisions by Country | 0 | - | 4.82 | 46,162 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,766 |
| Megadiverse Countries | 0 | - | 4.96 | 124,689 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,830 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,967 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,108 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,997 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,582 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,502 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,268 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,956 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,764 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,774 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,317 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,461 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,693 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,225 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,045 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,996 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,415 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,516 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,825 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,398 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,253 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,801 |
| Widest Countries East to West | 0 | - | 4.93 | 118,657 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,668 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,812 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,078 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,730 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,596 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,462 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,238 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,842 |
| Countries with Double Letters | 0 | - | 4.96 | 66,542 |
| Countries that End in N | 0 | - | 4.94 | 130,914 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,433 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,282 |
| Countries with W | 0 | - | 4.97 | 121,208 |
| Countries with Z | 0 | - | 4.98 | 241,898 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,354 |
| Countries That End in U | 0 | - | 4.94 | 106,649 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,048 |
| Countries that End in O | 0 | - | 4.92 | 146,252 |
| Countries that End in R | 0 | - | 4.86 | 96,026 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,793 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,401 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,784 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,513 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,441 |
| Countries That End in Y | 0 | - | 4.90 | 160,750 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,532 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,736 |
| Countries that End in I | 0 | - | 4.92 | 114,118 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,317 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,764 |
| Countries That End in NIA | 0 | - | 4.93 | 100,280 |
| Countries That End in BIA | 0 | - | 4.91 | 125,270 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,305 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,979 |
| Countries That End in RIA | 0 | - | 4.89 | 100,426 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,684 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,503 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,551 |
