| Countries of the World Quiz | 0 | - | 5.00 | 47,604,533 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,535 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,515 |
| Top World Languages | 0 | - | 4.92 | 824,659 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,396 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,558 |
| World's Busiest Airports | 0 | - | 4.96 | 235,067 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,970 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,181 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,471 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,970 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,054 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,588 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,434 |
| Boundary Waters | 0 | - | 4.92 | 88,592 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,299 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,627 |
| World Currency Quiz | 0 | - | 4.92 | 304,311 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,942 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,302 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,334 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,896 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,552 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,836 |
| Landlocked Countries | 0 | - | 4.99 | 422,254 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,222 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,614 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,445 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,455 |
| Cities by Airports | 0 | - | 4.45 | 101,024 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,725 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,801 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,631 |
| Himalayan Countries | 0 | - | 4.95 | 138,867 |
| Andean Countries | 0 | - | 4.93 | 84,691 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,891 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,936 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,519 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,862 |
| Danube Countries | 0 | - | 4.97 | 72,048 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,062 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,460 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,367 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,855 |
| European Landlocked Countries | 0 | - | 4.99 | 147,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,698 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,820 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,733 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,565 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,254 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,699 |
| Countries in the Alps | 0 | - | 4.87 | 118,257 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,145 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,282 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,082 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,682 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,626 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,548 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,970 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,704 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,520 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,878 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,670 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,543 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,250 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,502 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,556 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,972 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,336 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,125 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,130 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,085 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,203 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,257 |
| Largest Countries By Category | 0 | - | 4.97 | 158,264 |
| Countries by Countries | 0 | - | 4.96 | 63,261 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,301 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,696 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,632 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,736 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,864 |
| Demonyms Quiz | 0 | - | 4.15 | 185,324 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,506 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,059 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,313 |
| Longest International Borders | 0 | - | 4.99 | 265,239 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,140 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,239 |
| Demonym of Every Country | 0 | - | 4.91 | 60,770 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,339 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,780 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,146 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,588 |
| Island Countries | 0 | - | 4.99 | 711,147 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,199 |
| Northernmost Countries | 0 | - | 4.99 | 362,076 |
| Countries of South America | 0 | - | 5.00 | 927,715 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,451 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,161 |
| "Land" Countries | 0 | - | 4.98 | 337,414 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,003 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,561 |
| Airline Logos | 0 | - | 4.45 | 141,015 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,486 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,969 |
| Countries with Megacities | 0 | - | 4.99 | 264,720 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,802 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,065 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,583 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,145 |
| Cities by Famous Street | 0 | - | 3.96 | 48,343 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,150 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,594 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,566 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,565 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,705 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,520 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,357 |
| Countries by Capital City | 0 | - | 5.00 | 68,671 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,393 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,833 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,431 |
| Moved Capital Cities | 0 | - | 4.96 | 74,365 |
| Countries by Official Language | 0 | - | 4.95 | 195,308 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,455 |
| Countries in their Native Language | 0 | - | 4.99 | 199,096 |
| Independence from Whom | 0 | - | 4.99 | 212,164 |
| Subdivisions by Country | 0 | - | 4.86 | 50,439 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,777 |
| Megadiverse Countries | 0 | - | 4.96 | 135,040 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,144 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,375 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,251 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,119 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,169 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,612 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,512 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,050 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,673 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,155 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,720 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,902 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,222 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,984 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,369 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,508 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,355 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,266 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,377 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,142 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,312 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,022 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,280 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,921 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,034 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,323 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,458 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,592 |
| Widest Countries East to West | 0 | - | 4.92 | 129,675 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,463 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,414 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,129 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,785 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,621 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,892 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,380 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Countries with Double Letters | 0 | - | 4.96 | 96,284 |
| Countries that End in N | 0 | - | 4.95 | 171,171 |
| Countries with Five Letters | 0 | - | 4.96 | 282,580 |
| Countries with Six Letters | 0 | - | 4.94 | 213,605 |
| Countries with W | 0 | - | 4.97 | 160,360 |
| Countries with Z | 0 | - | 4.98 | 291,518 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,742 |
| Countries That End in U | 0 | - | 4.95 | 120,865 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,496 |
| Countries that End in O | 0 | - | 4.92 | 159,519 |
| Countries that End in R | 0 | - | 4.87 | 118,976 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,740 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,144 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,713 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,488 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,414 |
| Countries That End in Y | 0 | - | 4.91 | 185,885 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,956 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,875 |
| Countries that End in I | 0 | - | 4.94 | 135,109 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,137 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,829 |
| Countries That End in NIA | 0 | - | 4.92 | 109,798 |
| Countries That End in BIA | 0 | - | 4.93 | 149,227 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,136 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,443 |
