| Countries of the World Quiz | 0 | - | 5.00 | 47,425,169 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,321 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,967 |
| Top World Languages | 0 | - | 4.92 | 821,718 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,843 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,171 |
| World's Busiest Airports | 0 | - | 4.96 | 233,337 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,767 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,786 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,388 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,216 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,946 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,340 |
| Airline Logos | 0 | - | 4.45 | 140,688 |
| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,137 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,041 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,364 |
| World Currency Quiz | 0 | - | 4.92 | 302,789 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,919 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,932 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,126 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,741 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,224 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,549 |
| Landlocked Countries | 0 | - | 4.99 | 420,024 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,056 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,311 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,573 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,095 |
| Cities by Airports | 0 | - | 4.49 | 88,708 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,559 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,021 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,483 |
| Himalayan Countries | 0 | - | 4.95 | 137,904 |
| Andean Countries | 0 | - | 4.95 | 84,166 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,377 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,955 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,034 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,483 |
| Danube Countries | 0 | - | 4.97 | 71,772 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,715 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,171 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,867 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,952 |
| European Landlocked Countries | 0 | - | 4.99 | 146,908 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,301 |
| Countries with the Most Species | 0 | - | 4.99 | 103,043 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,451 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,469 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,638 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,402 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,081 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,470 |
| Countries in the Alps | 0 | - | 4.87 | 117,889 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,064 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,463 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,609 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,508 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,395 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,804 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,407 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,288 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,657 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,548 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,390 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,019 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,312 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,320 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,446 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,141 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,646 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,947 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,531 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,069 |
| Largest Countries By Category | 0 | - | 4.97 | 157,846 |
| Countries by Countries | 0 | - | 4.97 | 62,959 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,191 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,454 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,572 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,907 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,516 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,787 |
| Demonyms Quiz | 0 | - | 4.15 | 185,142 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,431 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,461 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,152 |
| Longest International Borders | 0 | - | 4.99 | 264,868 |
| Countries with Three Borders | 0 | - | 4.96 | 36,514 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,990 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,105 |
| Demonym of Every Country | 0 | - | 4.91 | 59,600 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,306 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,939 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,458 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,923 |
| Island Countries | 0 | - | 4.99 | 710,212 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,348 |
| Northernmost Countries | 0 | - | 4.99 | 361,028 |
| Countries of South America | 0 | - | 5.00 | 924,479 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,331 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,449 |
| "Land" Countries | 0 | - | 4.98 | 336,089 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,904 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,094 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,379 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,356 |
| Countries with Megacities | 0 | - | 4.99 | 262,931 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,193 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,172 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,496 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,214 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,108 |
| Cities by Famous Street | 0 | - | 3.96 | 48,318 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,123 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,060 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,184 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,361 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,441 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,166 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,903 |
| Countries by Capital City | 0 | - | 5.00 | 68,190 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,128 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,611 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,141 |
| Moved Capital Cities | 0 | - | 4.96 | 74,163 |
| Countries by Official Language | 0 | - | 4.95 | 194,857 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,830 |
| Countries in their Native Language | 0 | - | 4.99 | 198,395 |
| Independence from Whom | 0 | - | 4.99 | 211,614 |
| Subdivisions by Country | 0 | - | 4.86 | 50,341 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,912 |
| Megadiverse Countries | 0 | - | 4.96 | 134,848 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,730 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,235 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,815 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,051 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,854 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,454 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,146 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,911 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,545 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,030 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,268 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,777 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,063 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,844 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,228 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,396 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,469 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,533 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,154 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,714 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,054 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,775 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,664 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,657 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,794 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,933 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,335 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,400 |
| Widest Countries East to West | 0 | - | 4.92 | 129,464 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,410 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,111 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,042 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,606 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,364 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,663 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,291 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,752 |
| Countries with Double Letters | 0 | - | 4.97 | 95,314 |
| Countries that End in N | 0 | - | 4.95 | 170,341 |
| Countries with Five Letters | 0 | - | 4.96 | 281,163 |
| Countries with Six Letters | 0 | - | 4.94 | 212,758 |
| Countries with W | 0 | - | 4.97 | 159,677 |
| Countries with Z | 0 | - | 4.98 | 290,563 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,940 |
| Countries That End in U | 0 | - | 4.95 | 120,501 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,947 |
| Countries that End in O | 0 | - | 4.92 | 159,272 |
| Countries that End in R | 0 | - | 4.87 | 118,794 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,560 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,554 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,292 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,197 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,797 |
| Countries That End in Y | 0 | - | 4.91 | 185,701 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,474 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,568 |
| Countries that End in I | 0 | - | 4.94 | 134,931 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,678 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,648 |
| Countries That End in NIA | 0 | - | 4.92 | 109,600 |
| Countries That End in BIA | 0 | - | 4.93 | 148,958 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,859 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,180 |
