| Countries of the World Quiz | 0 | - | 5.00 | 47,649,611 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,576 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,849 |
| Top World Languages | 0 | - | 4.92 | 825,610 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,664 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,654 |
| World's Busiest Airports | 0 | - | 4.96 | 235,448 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,281 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,623 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,110 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,258 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,788 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,465 |
| Airline Logos | 0 | - | 4.45 | 141,093 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,670 |
| World Currency Quiz | 0 | - | 4.92 | 304,760 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,291 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,364 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,395 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,388 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,934 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,303 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,697 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,659 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,945 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,890 |
| Cities by Airports | 0 | - | 4.47 | 102,891 |
| Landlocked Countries | 0 | - | 4.99 | 422,824 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,976 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,755 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,525 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,543 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,768 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,495 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,940 |
| Himalayan Countries | 0 | - | 4.95 | 139,102 |
| Andean Countries | 0 | - | 4.93 | 84,838 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,061 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,171 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,643 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,957 |
| Danube Countries | 0 | - | 4.97 | 72,118 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,521 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,996 |
| European Landlocked Countries | 0 | - | 4.99 | 147,256 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,803 |
| Countries with the Most Species | 0 | - | 4.99 | 103,329 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,927 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,608 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,343 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,767 |
| Countries in the Alps | 0 | - | 4.87 | 118,337 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,171 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,656 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,239 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,734 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,693 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,021 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,782 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,585 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,234 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,703 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,311 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,552 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,618 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,113 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,382 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,617 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,396 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,384 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,298 |
| Largest Countries By Category | 0 | - | 4.97 | 158,365 |
| Countries by Countries | 0 | - | 4.96 | 63,339 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,804 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,316 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,766 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,670 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,775 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,880 |
| Demonyms Quiz | 0 | - | 4.15 | 185,357 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,526 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,217 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,350 |
| Longest International Borders | 0 | - | 4.99 | 265,344 |
| Countries with Three Borders | 0 | - | 4.96 | 36,647 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,174 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,282 |
| Demonym of Every Country | 0 | - | 4.91 | 60,891 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,366 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,716 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,769 |
| Island Countries | 0 | - | 4.99 | 711,348 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,950 |
| Northernmost Countries | 0 | - | 4.99 | 362,378 |
| Countries of South America | 0 | - | 5.00 | 928,559 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,405 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,915 |
| "Land" Countries | 0 | - | 4.98 | 337,584 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,031 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,673 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,778 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,477 |
| All Country Flags of the World | 0 | - | 5.00 | 3,686,705 |
| Foods of the World by Description | 0 | - | 4.18 | 46,079 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 97,396 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,587 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,346 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,650 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,567 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,313 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,146 |
| Countries with Megacities | 0 | - | 4.99 | 265,173 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,964 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,611 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,229 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,679 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,103 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,155 |
| Cities by Famous Street | 0 | - | 3.96 | 48,352 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,160 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,714 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,668 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,637 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,786 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,643 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,486 |
| Countries by Capital City | 0 | - | 5.00 | 68,776 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,457 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,896 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,486 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,490 |
| Moved Capital Cities | 0 | - | 4.96 | 74,409 |
| Countries by Official Language | 0 | - | 4.95 | 195,432 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,618 |
| Countries in their Native Language | 0 | - | 4.99 | 199,208 |
| Independence from Whom | 0 | - | 4.99 | 212,297 |
| Subdivisions by Country | 0 | - | 4.87 | 50,473 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,876 |
| Megadiverse Countries | 0 | - | 4.96 | 135,083 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,236 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,400 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,278 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,136 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,239 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,647 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,583 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,403 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,701 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,175 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,869 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,936 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,255 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,008 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,403 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,538 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,471 |
| World Map Quiz | 0 | - | 4.81 | 65,213 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,434 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,272 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,376 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,090 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,489 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,987 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,093 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,376 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,489 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,633 |
| Widest Countries East to West | 0 | - | 4.92 | 129,732 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,476 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,482 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,179 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,824 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,674 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,949 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,404 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,816 |
| Airlines by Country | 0 | - | 4.52 | 135,597 |
| Countries with Double Letters | 0 | - | 4.96 | 96,430 |
| Countries that End in N | 0 | - | 4.95 | 171,311 |
| Countries with Five Letters | 0 | - | 4.96 | 282,828 |
| Countries with Six Letters | 0 | - | 4.94 | 213,766 |
| Countries with W | 0 | - | 4.96 | 160,469 |
| Countries with Z | 0 | - | 4.98 | 291,675 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,831 |
| Countries That End in U | 0 | - | 4.95 | 120,921 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,598 |
| Countries that End in O | 0 | - | 4.92 | 159,577 |
| Countries that End in R | 0 | - | 4.87 | 119,012 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,769 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,273 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,786 |
