| Countries of the World Quiz | 0 | - | 5.00 | 46,996,412 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,623 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,305 |
| Top World Languages | 0 | - | 4.92 | 814,373 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,674 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,064 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,032 |
| World's Busiest Airports | 0 | - | 4.94 | 211,896 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,730 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,439 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,351 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,079 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,338 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,345 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,997 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,703 |
| World Currency Quiz | 0 | - | 4.92 | 299,120 |
| Boundary Waters | 0 | - | 4.92 | 88,093 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,862 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,412 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,929 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,261 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,829 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,327 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,658 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,603 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,793 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,847 |
| Cities by Airports | 0 | - | 4.49 | 88,325 |
| Landlocked Countries | 0 | - | 4.99 | 414,532 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,319 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,233 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,109 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,981 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,209 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,195 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,991 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,977 |
| Himalayan Countries | 0 | - | 4.95 | 135,686 |
| Andean Countries | 0 | - | 4.94 | 83,021 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,370 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,423 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,065 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,732 |
| Danube Countries | 0 | - | 4.97 | 71,175 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,888 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,633 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,693 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,596 |
| European Landlocked Countries | 0 | - | 4.99 | 145,874 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,356 |
| Countries with the Most Species | 0 | - | 4.99 | 95,298 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,518 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,235 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,403 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,012 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,652 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,021 |
| Countries in the Alps | 0 | - | 4.86 | 116,975 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,842 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,679 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,442 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,103 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,507 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,293 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,086 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,835 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,587 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,149 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,230 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,097 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,529 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,825 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,826 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,275 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,732 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,308 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,931 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,808 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,978 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,682 |
| Largest Countries By Category | 0 | - | 4.97 | 156,906 |
| Countries by Countries | 0 | - | 4.96 | 62,355 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,546 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,997 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,356 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,850 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,512 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,807 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,519 |
| Demonyms Quiz | 0 | - | 4.15 | 184,885 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,264 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,690 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,697 |
| Longest International Borders | 0 | - | 4.99 | 263,969 |
| Countries with Three Borders | 0 | - | 4.96 | 36,248 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,650 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,746 |
| Demonym of Every Country | 0 | - | 4.91 | 58,729 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,098 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,207 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,468 |
| Island Countries | 0 | - | 4.99 | 707,981 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,723 |
| Northernmost Countries | 0 | - | 4.99 | 358,235 |
| Countries of South America | 0 | - | 5.00 | 916,357 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,551 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,631 |
| "Land" Countries | 0 | - | 4.98 | 333,907 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,717 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,047 |
| Airline Logos | 0 | - | 4.45 | 140,055 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,953 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,796 |
| All Country Flags of the World | 0 | - | 5.00 | 3,611,122 |
| Foods of the World by Description | 0 | - | 4.18 | 45,950 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,194 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,224 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,625 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,451 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,076 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,668 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,035 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,685 |
| Countries with Megacities | 0 | - | 4.99 | 247,703 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,536 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,228 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,926 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,168 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,672 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,040 |
| Cities by Famous Street | 0 | - | 3.96 | 48,261 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,075 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,999 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,196 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,809 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,764 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,901 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,718 |
| Countries by Capital City | 0 | - | 5.00 | 66,914 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,475 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,020 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,839 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,502 |
| Moved Capital Cities | 0 | - | 4.96 | 73,701 |
| Countries by Official Language | 0 | - | 4.95 | 192,965 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,416 |
| Countries in their Native Language | 0 | - | 4.99 | 196,822 |
| Independence from Whom | 0 | - | 4.99 | 209,935 |
| Subdivisions by Country | 0 | - | 4.86 | 50,112 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,924 |
| Megadiverse Countries | 0 | - | 4.97 | 133,972 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,996 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,965 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,478 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,884 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,781 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,065 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,208 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,226 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,259 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,761 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,462 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,564 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,551 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,743 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,073 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,866 |
| World Map Quiz | 0 | - | 4.81 | 63,674 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,211 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,431 |
| Countries by Founding Story | 0 | - | 4.95 | 76,634 |
| Countries by Road Signs | 0 | - | 4.98 | 53,205 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,593 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,370 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,111 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,068 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,006 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,201 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,405 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,017 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,451 |
| Widest Countries East to West | 0 | - | 4.92 | 128,951 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,258 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,360 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,614 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,776 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,718 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,148 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,838 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,623 |
| Airlines by Country | 0 | - | 4.52 | 134,889 |
| Countries with Double Letters | 0 | - | 4.96 | 93,569 |
| Countries that End in N | 0 | - | 4.94 | 157,052 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,886 |
| Countries with Six Letters | 0 | - | 4.93 | 210,552 |
| Countries with W | 0 | - | 4.97 | 158,349 |
| Countries with Z | 0 | - | 4.98 | 288,082 |
