| Countries of the World Quiz | 0 | - | 5.00 | 47,553,219 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,034 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,475 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,966 |
| Top World Languages | 0 | - | 4.92 | 823,754 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,201 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,395 |
| World's Busiest Airports | 0 | - | 4.96 | 234,534 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,114 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,773 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,775 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,327 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,407 |
| Boundary Waters | 0 | - | 4.92 | 88,540 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,227 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,219 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,557 |
| World Currency Quiz | 0 | - | 4.92 | 303,896 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,932 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,076 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,185 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,854 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,449 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,700 |
| Landlocked Countries | 0 | - | 4.99 | 421,596 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,173 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,525 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,689 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,355 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,361 |
| Cities by Airports | 0 | - | 4.49 | 88,801 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,648 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,116 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,252 |
| Himalayan Countries | 0 | - | 4.95 | 138,545 |
| Andean Countries | 0 | - | 4.93 | 84,508 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,694 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,689 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,330 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,727 |
| Danube Countries | 0 | - | 4.97 | 71,957 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,957 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,379 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,219 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,691 |
| European Landlocked Countries | 0 | - | 4.99 | 147,085 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,560 |
| Countries with the Most Species | 0 | - | 4.99 | 103,194 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,692 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,559 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,702 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,509 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,192 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,614 |
| Countries in the Alps | 0 | - | 4.87 | 118,144 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,115 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,845 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,969 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,617 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,560 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,448 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,918 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,624 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,455 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,155 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,808 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,492 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,183 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,431 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,484 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,803 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,276 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,107 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,996 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,739 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,984 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,190 |
| Largest Countries By Category | 0 | - | 4.97 | 158,142 |
| Countries by Countries | 0 | - | 4.96 | 63,150 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,639 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,927 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,949 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,679 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,846 |
| Demonyms Quiz | 0 | - | 4.15 | 185,280 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,479 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,900 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,266 |
| Longest International Borders | 0 | - | 4.99 | 265,133 |
| Countries with Three Borders | 0 | - | 4.96 | 36,589 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,101 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,194 |
| Demonym of Every Country | 0 | - | 4.91 | 60,589 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,327 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,259 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,608 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,400 |
| Island Countries | 0 | - | 4.99 | 710,901 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,383 |
| Northernmost Countries | 0 | - | 4.99 | 361,783 |
| Countries of South America | 0 | - | 5.00 | 926,758 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,176 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,076 |
| "Land" Countries | 0 | - | 4.98 | 337,227 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,954 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,407 |
| Airline Logos | 0 | - | 4.45 | 140,934 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,443 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,790 |
| Countries with Megacities | 0 | - | 4.99 | 264,334 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,647 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,415 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,912 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,481 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,133 |
| Cities by Famous Street | 0 | - | 3.96 | 48,336 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,143 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,382 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,462 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,511 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,630 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,425 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,233 |
| Countries by Capital City | 0 | - | 5.00 | 68,547 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,311 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,771 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,343 |
| Moved Capital Cities | 0 | - | 4.96 | 74,301 |
| Countries by Official Language | 0 | - | 4.95 | 195,178 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,262 |
| Countries in their Native Language | 0 | - | 4.99 | 198,974 |
| Independence from Whom | 0 | - | 4.99 | 211,991 |
| Subdivisions by Country | 0 | - | 4.86 | 50,413 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,660 |
| Megadiverse Countries | 0 | - | 4.96 | 134,979 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,012 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,331 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,208 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,091 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,064 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,575 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,408 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,004 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,624 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,126 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,609 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,851 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,180 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,944 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,333 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,473 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,732 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,072 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,313 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,008 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,237 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,955 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,101 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,845 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,978 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,265 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,416 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,546 |
| Widest Countries East to West | 0 | - | 4.92 | 129,610 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,439 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,336 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,106 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,742 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,551 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,825 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,361 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,791 |
| Countries with Double Letters | 0 | - | 4.96 | 96,138 |
| Countries that End in N | 0 | - | 4.95 | 171,021 |
| Countries with Five Letters | 0 | - | 4.96 | 282,240 |
| Countries with Six Letters | 0 | - | 4.94 | 213,445 |
| Countries with W | 0 | - | 4.97 | 160,256 |
| Countries with Z | 0 | - | 4.98 | 291,331 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,616 |
| Countries That End in U | 0 | - | 4.95 | 120,807 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,376 |
| Countries that End in O | 0 | - | 4.92 | 159,483 |
| Countries that End in R | 0 | - | 4.87 | 118,946 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,701 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,992 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,634 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,429 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,350 |
| Countries That End in Y | 0 | - | 4.91 | 185,849 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,836 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,804 |
| Countries that End in I | 0 | - | 4.94 | 135,062 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,017 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,790 |
| Countries That End in NIA | 0 | - | 4.92 | 109,743 |
| Countries That End in BIA | 0 | - | 4.93 | 149,154 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,056 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,383 |
