| Countries of the World Quiz | 0 | - | 5.00 | 47,958,547 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,876 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,279 |
| Top World Languages | 0 | - | 4.92 | 831,074 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,579 |
| Busiest Airports in Europe | 0 | - | 4.91 | 147,199 |
| World's Busiest Airports | 0 | - | 4.96 | 237,895 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 137,010 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,439 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 127,064 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,603 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 217,136 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,618 |
| Airline Logos | 0 | - | 4.45 | 141,551 |
| Boundary Waters | 0 | - | 4.92 | 88,828 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,457 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,815 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,116 |
| World Currency Quiz | 0 | - | 4.92 | 307,456 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,984 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,796 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,540 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,197 |
| Places in their Native Language #2 | 0 | - | 4.80 | 135,057 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,247 |
| Landlocked Countries | 0 | - | 4.99 | 427,127 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,617 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,226 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,980 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,139 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,174 |
| Cities by Airports | 0 | - | 4.48 | 104,144 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,991 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,797 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,864 |
| Himalayan Countries | 0 | - | 4.93 | 140,774 |
| Andean Countries | 0 | - | 4.94 | 85,771 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,894 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,460 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,448 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,673 |
| Danube Countries | 0 | - | 4.97 | 72,529 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,775 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,963 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,411 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,884 |
| European Landlocked Countries | 0 | - | 4.99 | 147,723 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,517 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,614 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,808 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,949 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,911 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,668 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,948 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,346 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,957 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,095 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,157 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,109 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,374 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,574 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,506 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,301 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,947 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,823 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,661 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,913 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,013 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,117 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,721 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,350 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,827 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,238 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,459 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,606 |
| Largest Countries By Category | 0 | - | 4.97 | 159,064 |
| Countries by Countries | 0 | - | 4.97 | 63,793 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,213 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,426 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,129 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,565 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,022 |
| Demonyms Quiz | 0 | - | 4.15 | 185,597 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,653 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,366 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,644 |
| Longest International Borders | 0 | - | 4.99 | 265,975 |
| Countries with Three Borders | 0 | - | 4.96 | 36,827 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,418 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,557 |
| Demonym of Every Country | 0 | - | 4.90 | 61,623 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,404 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,479 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,958 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,005 |
| Island Countries | 0 | - | 4.99 | 712,954 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,003 |
| Northernmost Countries | 0 | - | 4.99 | 364,531 |
| Countries of South America | 0 | - | 5.00 | 934,067 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,239 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,564 |
| "Land" Countries | 0 | - | 4.98 | 338,937 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,143 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,369 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,772 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,464 |
| Countries with Megacities | 0 | - | 4.99 | 267,770 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,318 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,446 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,421 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,188 |
| Cities by Famous Street | 0 | - | 3.96 | 48,389 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,192 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,492 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,538 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,075 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,329 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,411 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,353 |
| Countries by Capital City | 0 | - | 5.00 | 69,591 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,119 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,342 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,938 |
| Moved Capital Cities | 0 | - | 4.96 | 74,725 |
| Countries by Official Language | 0 | - | 4.95 | 196,187 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,903 |
| Countries in their Native Language | 0 | - | 4.99 | 199,935 |
| Independence from Whom | 0 | - | 4.99 | 213,373 |
| Subdivisions by Country | 0 | - | 4.87 | 50,662 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,634 |
| Megadiverse Countries | 0 | - | 4.96 | 148,631 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,117 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,570 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,796 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,256 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,448 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,915 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,265 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,619 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,157 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,738 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,477 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,497 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,212 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,630 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,957 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,679 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,693 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,793 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,482 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,218 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,689 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,886 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,535 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,647 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,840 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,758 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,922 |
| Widest Countries East to West | 0 | - | 4.92 | 130,831 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,626 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,383 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,555 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,149 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,092 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,597 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,531 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,921 |
| Countries with Double Letters | 0 | - | 4.96 | 97,580 |
| Countries that End in N | 0 | - | 4.95 | 172,594 |
| Countries with Five Letters | 0 | - | 4.96 | 284,585 |
| Countries with Six Letters | 0 | - | 4.94 | 214,916 |
| Countries with W | 0 | - | 4.96 | 161,282 |
| Countries with Z | 0 | - | 4.98 | 292,960 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,645 |
| Countries That End in U | 0 | - | 4.95 | 121,374 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,397 |
| Countries that End in O | 0 | - | 4.92 | 160,358 |
| Countries that End in R | 0 | - | 4.87 | 119,272 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,053 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,120 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 185,080 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,164 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,686 |
| Countries That End in Y | 0 | - | 4.91 | 186,165 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,202 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,403 |
| Countries that End in I | 0 | - | 4.94 | 135,415 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,212 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,139 |
| Countries That End in NIA | 0 | - | 4.92 | 110,151 |
| Countries That End in BIA | 0 | - | 4.93 | 149,726 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,917 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,888 |
