| Countries of the World Quiz | 0 | - | 5.00 | 41,814,877 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,098 |
| Top World Languages | 0 | - | 4.92 | 724,371 |
| Places in their Native Language #1 | 0 | - | 4.86 | 213,793 |
| Places in their Native Language #2 | 0 | - | 4.89 | 114,650 |
| Europe's Busiest Airports | 0 | - | 4.92 | 134,853 |
| World's Busiest Airports | 0 | - | 4.94 | 191,398 |
| U.S. National Parks Map Quiz | 0 | - | 4.52 | 52,091 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 118,875 |
| Countries with the Most Airports | 0 | - | 4.96 | 83,082 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 106,269 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 96,460 |
| Busiest Air Routes in the World | 0 | - | 4.52 | 35,594 |
| Boundary Waters | 0 | - | 4.93 | 82,070 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,510 |
| Countries by Airline Passengers | 0 | - | 4.91 | 49,807 |
| World Currency Quiz | 0 | - | 4.92 | 251,452 |
| Tourist Route of Europe | 0 | - | 4.22 | 41,906 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,826 |
| Lonely Planet Top 200 Cities | 0 | - | 4.63 | 211,558 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 50,551 |
| Largest Countries with Little Tourism | 0 | - | 4.71 | 55,840 |
| Busiest Airports in the United States | 0 | - | 4.57 | 128,426 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,015 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,356 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,960 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,333 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,948 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,663 |
| Cities by Airports | 0 | - | 4.51 | 82,355 |
| Cities by Famous Street | 0 | - | 4.01 | 47,522 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.35 | 93,838 |
| World Capitals Quiz | 0 | - | 5.00 | 4,581,894 |
| Members of the Arab League | 0 | - | 4.86 | 66,530 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,692 |
| Himalayan Countries | 0 | - | 4.94 | 108,627 |
| Andean Countries | 0 | - | 4.91 | 60,335 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,517 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,936 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,567 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,899 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,335 |
| Danube Countries | 0 | - | 4.96 | 57,265 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,270 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,328 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,811 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,497 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,141 |
| European Landlocked Countries | 0 | - | 4.99 | 137,275 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,896 |
| Countries with the Most Species | 0 | - | 4.99 | 90,079 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,438 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,055 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,343 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,126 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,159 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,986 |
| Countries in the Alps | 0 | - | 4.84 | 103,961 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.25 | 77,568 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,523 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,713 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,348 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,451 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,970 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,408 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,625 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,823 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,735 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,236 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,063 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,054 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,645 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,735 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,303 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,748 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,008 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,108 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,060 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,619 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,880 |
| Largest Countries By Category | 0 | - | 4.97 | 146,547 |
| Countries by Countries | 0 | - | 4.95 | 55,684 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,178,604 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,233,316 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,373 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,748 |
| Demonyms Quiz | 0 | - | 4.11 | 179,986 |
| Airport Codes Quiz #1 | 0 | - | 4.79 | 192,951 |
| Who Controls It? #1 | 0 | - | 4.82 | 45,910 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,445 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,954 |
| Longest International Borders | 0 | - | 4.99 | 236,819 |
| Countries with Three Borders | 0 | - | 4.96 | 32,180 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,936 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,463 |
| Demonym of Every Country | 0 | - | 4.91 | 50,896 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,410,269 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,400 |
| Island Countries Quiz | 0 | - | 4.99 | 669,186 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,472 |
| Northernmost Countries | 0 | - | 4.99 | 331,127 |
| Countries of South America | 0 | - | 5.00 | 811,057 |
| Countries of Oceania | 0 | - | 5.00 | 914,927 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,613,824 |
| Airports Named for People #1 | 0 | - | 4.45 | 53,624 |
| Airline Logos | 0 | - | 4.43 | 130,053 |
| Analogies of Countries #1 | 0 | - | 4.87 | 63,485 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,854 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,216 |
| Countries with Megacities | 0 | - | 4.99 | 202,089 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,592 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,070 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,000 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,371 |
| Cities by Tourist Attraction #1 | 0 | - | 3.64 | 80,182 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,994 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,121 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,967 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,692 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,377 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,380 |
| Countries by Capital City | 0 | - | 4.99 | 51,646 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,280 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,263 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,511 |
| Moved Capital Cities | 0 | - | 4.96 | 68,007 |
| Countries by Official Language | 0 | - | 4.96 | 175,386 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,741 |
| Countries in their Native Language | 0 | - | 4.98 | 180,755 |
| Independence from Whom | 0 | - | 4.99 | 189,572 |
| Subdivisions by Country | 0 | - | 4.85 | 46,928 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,773 |
| Megadiverse Countries | 0 | - | 4.96 | 126,868 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,068 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,640 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,852 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,437 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,939 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,749 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,088 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,761 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,875 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,147 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,312 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,993 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,537 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,445 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,073 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,809 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,912 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,915 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,279 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,976 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,743 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,157 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,385 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,160 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,651 |
| Widest Countries East to West | 0 | - | 4.93 | 120,623 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,138 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,650 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,880 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,459 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,914 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,722 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,557 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,818 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,437 |
| Countries with Double Letters | 0 | - | 4.96 | 72,208 |
| Countries that End in N | 0 | - | 4.94 | 136,491 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,252 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,909 |
| Countries with W | 0 | - | 4.96 | 126,002 |
| Countries with Z | 0 | - | 4.98 | 265,024 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,891 |
| Countries That End in U | 0 | - | 4.95 | 109,617 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,643 |
| Countries that End in O | 0 | - | 4.92 | 148,818 |
| Countries that End in R | 0 | - | 4.85 | 97,418 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,381 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,395 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,830 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,785 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,725 |
| Countries That End in Y | 0 | - | 4.92 | 175,612 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,112 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,471 |
| Countries that End in I | 0 | - | 4.92 | 115,269 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,743 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,447 |
| Countries That End in NIA | 0 | - | 4.92 | 101,882 |
| Countries That End in BIA | 0 | - | 4.91 | 127,396 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,261 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,056 |
| Countries That End in RIA | 0 | - | 4.90 | 101,951 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,851 |
