| Countries of the World Quiz | 0 | - | 5.00 | 41,807,420 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,043 |
| Top World Languages | 0 | - | 4.92 | 724,199 |
| Places in their Native Language #1 | 0 | - | 4.86 | 213,763 |
| Places in their Native Language #2 | 0 | - | 4.89 | 114,638 |
| Europe's Busiest Airports | 0 | - | 4.92 | 134,837 |
| World's Busiest Airports | 0 | - | 4.94 | 191,375 |
| U.S. National Parks Map Quiz | 0 | - | 4.52 | 52,088 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 118,842 |
| Countries with the Most Airports | 0 | - | 4.96 | 83,054 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 106,240 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 96,416 |
| Busiest Air Routes in the World | 0 | - | 4.52 | 35,592 |
| Boundary Waters | 0 | - | 4.93 | 82,062 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,491 |
| Countries by Airline Passengers | 0 | - | 4.91 | 49,802 |
| World Currency Quiz | 0 | - | 4.92 | 251,407 |
| Tourist Route of Europe | 0 | - | 4.22 | 41,906 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,820 |
| Lonely Planet Top 200 Cities | 0 | - | 4.63 | 211,539 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 50,544 |
| Largest Countries with Little Tourism | 0 | - | 4.71 | 55,833 |
| Busiest Airports in the United States | 0 | - | 4.57 | 128,413 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,926 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,345 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,927 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,320 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,929 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,644 |
| Cities by Airports | 0 | - | 4.51 | 82,346 |
| Cities by Famous Street | 0 | - | 4.01 | 47,521 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.35 | 93,834 |
| World Capitals Quiz | 0 | - | 5.00 | 4,581,080 |
| Members of the Arab League | 0 | - | 4.86 | 66,503 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,666 |
| Himalayan Countries | 0 | - | 4.94 | 108,610 |
| Andean Countries | 0 | - | 4.91 | 60,327 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,497 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,928 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,560 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,892 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,326 |
| Danube Countries | 0 | - | 4.96 | 57,262 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,263 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,326 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,796 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,478 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,125 |
| European Landlocked Countries | 0 | - | 4.99 | 137,269 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,883 |
| Countries with the Most Species | 0 | - | 4.99 | 90,076 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,421 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,052 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,341 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,115 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,920 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,155 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,979 |
| Countries in the Alps | 0 | - | 4.84 | 103,951 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.25 | 77,563 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,508 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,698 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,337 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,439 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,962 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,402 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,604 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,816 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,732 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,466 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,227 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,060 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,052 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,635 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,729 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,294 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,725 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,000 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,103 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,991 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,587 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,874 |
| Largest Countries By Category | 0 | - | 4.97 | 146,529 |
| Countries by Countries | 0 | - | 4.95 | 55,673 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,177,705 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,717 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,232,676 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,363 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,748 |
| Demonyms Quiz | 0 | - | 4.11 | 179,975 |
| Airport Codes Quiz #1 | 0 | - | 4.79 | 192,926 |
| Who Controls It? #1 | 0 | - | 4.82 | 45,903 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,419 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,946 |
| Longest International Borders | 0 | - | 4.99 | 236,795 |
| Countries with Three Borders | 0 | - | 4.96 | 32,175 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,928 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,446 |
| Demonym of Every Country | 0 | - | 4.91 | 50,885 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,409,972 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,355 |
| Island Countries Quiz | 0 | - | 4.99 | 669,105 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,334 |
| Northernmost Countries | 0 | - | 4.99 | 331,093 |
| Countries of South America | 0 | - | 5.00 | 810,899 |
| Countries of Oceania | 0 | - | 5.00 | 914,778 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,613,433 |
| Airports Named for People #1 | 0 | - | 4.45 | 53,621 |
| Airline Logos | 0 | - | 4.43 | 130,032 |
| Analogies of Countries #1 | 0 | - | 4.87 | 63,479 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,849 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,190 |
| Countries with Megacities | 0 | - | 4.99 | 202,050 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,551 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,056 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,361 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,983 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,323 |
| Cities by Tourist Attraction #1 | 0 | - | 3.64 | 80,179 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,983 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,102 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,961 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,677 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,357 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,355 |
| Countries by Capital City | 0 | - | 4.99 | 51,620 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,252 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,252 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,495 |
| Moved Capital Cities | 0 | - | 4.96 | 67,997 |
| Countries by Official Language | 0 | - | 4.96 | 175,363 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,691 |
| Countries in their Native Language | 0 | - | 4.98 | 180,732 |
| Independence from Whom | 0 | - | 4.99 | 189,539 |
| Subdivisions by Country | 0 | - | 4.84 | 46,925 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,753 |
| Megadiverse Countries | 0 | - | 4.96 | 126,859 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,049 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,630 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,851 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,429 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,932 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,729 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,073 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,757 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,873 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,131 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,301 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,983 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,530 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,440 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,068 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,799 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,892 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,897 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,256 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,952 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,735 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,144 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,375 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,151 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,641 |
| Widest Countries East to West | 0 | - | 4.93 | 120,612 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,137 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,631 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,872 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,447 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,910 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,704 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,542 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,815 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,432 |
| Countries with Double Letters | 0 | - | 4.96 | 72,166 |
| Countries that End in N | 0 | - | 4.94 | 136,421 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,212 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,872 |
| Countries with W | 0 | - | 4.96 | 125,966 |
| Countries with Z | 0 | - | 4.98 | 264,980 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,864 |
| Countries That End in U | 0 | - | 4.95 | 109,580 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,609 |
| Countries that End in O | 0 | - | 4.92 | 148,804 |
| Countries that End in R | 0 | - | 4.85 | 97,405 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,364 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,376 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,814 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,771 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,707 |
| Countries That End in Y | 0 | - | 4.91 | 174,703 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,095 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,464 |
| Countries that End in I | 0 | - | 4.92 | 115,261 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,725 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,437 |
| Countries That End in NIA | 0 | - | 4.92 | 101,876 |
| Countries That End in BIA | 0 | - | 4.91 | 127,382 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,246 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,039 |
| Countries That End in RIA | 0 | - | 4.90 | 101,946 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,834 |
