| Countries of the World Quiz | 0 | - | 5.00 | 47,739,618 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,492 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,666 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,617 |
| Top World Languages | 0 | - | 4.92 | 827,349 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,947 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,813 |
| World's Busiest Airports | 0 | - | 4.96 | 236,222 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,884 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,408 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,691 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 216,099 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,509 |
| Boundary Waters | 0 | - | 4.92 | 88,675 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,341 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,495 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,824 |
| World Currency Quiz | 0 | - | 4.92 | 305,581 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,955 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,540 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,437 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,030 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,800 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,995 |
| Landlocked Countries | 0 | - | 4.99 | 423,911 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,409 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,859 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,823 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,723 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,740 |
| Cities by Airports | 0 | - | 4.47 | 103,752 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,835 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,386 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,390 |
| Himalayan Countries | 0 | - | 4.94 | 139,557 |
| Andean Countries | 0 | - | 4.94 | 85,079 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,261 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,484 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,826 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,133 |
| Danube Countries | 0 | - | 4.97 | 72,216 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,317 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,637 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,727 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,234 |
| European Landlocked Countries | 0 | - | 4.99 | 147,391 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,995 |
| Countries with the Most Species | 0 | - | 4.99 | 103,426 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,120 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,685 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,799 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,705 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,442 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,856 |
| Countries in the Alps | 0 | - | 4.87 | 118,503 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,223 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,107 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,471 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,816 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,819 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,754 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,930 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,679 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,307 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,766 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,633 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,641 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,392 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,478 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,287 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,382 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,954 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,687 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,386 |
| Largest Countries By Category | 0 | - | 4.97 | 158,556 |
| Countries by Countries | 0 | - | 4.96 | 63,448 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,918 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,738 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,056 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,272 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,930 |
| Demonyms Quiz | 0 | - | 4.15 | 185,443 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,577 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,581 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,446 |
| Longest International Borders | 0 | - | 4.99 | 265,536 |
| Countries with Three Borders | 0 | - | 4.96 | 36,694 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,256 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,377 |
| Demonym of Every Country | 0 | - | 4.90 | 61,171 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,355 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,317 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,504 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,134 |
| Island Countries | 0 | - | 4.99 | 711,810 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,558 |
| Northernmost Countries | 0 | - | 4.99 | 363,128 |
| Countries of South America | 0 | - | 5.00 | 930,070 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,418 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,673 |
| "Land" Countries | 0 | - | 4.98 | 337,907 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,068 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,869 |
| Airline Logos | 0 | - | 4.45 | 141,232 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,651 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,463 |
| Countries with Megacities | 0 | - | 4.99 | 265,910 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,257 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,759 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,513 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,862 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,166 |
| Cities by Famous Street | 0 | - | 3.96 | 48,369 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,172 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,974 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,898 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,795 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,979 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,914 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,787 |
| Countries by Capital City | 0 | - | 5.00 | 69,070 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,641 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,049 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,627 |
| Moved Capital Cities | 0 | - | 4.96 | 74,520 |
| Countries by Official Language | 0 | - | 4.95 | 195,664 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,143 |
| Countries in their Native Language | 0 | - | 4.99 | 199,435 |
| Independence from Whom | 0 | - | 4.99 | 212,596 |
| Subdivisions by Country | 0 | - | 4.87 | 50,540 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,100 |
| Megadiverse Countries | 0 | - | 4.96 | 135,160 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,458 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,350 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,166 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,380 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,707 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,769 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,473 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,749 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,208 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,107 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,334 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,064 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,479 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,604 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,751 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,867 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,535 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,733 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,703 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,355 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,999 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,213 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,333 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,545 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,591 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,281 |
| Widest Countries East to West | 0 | - | 4.92 | 130,219 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,535 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,038 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,443 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,939 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,815 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,147 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,449 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with Double Letters | 0 | - | 4.96 | 96,699 |
| Countries that End in N | 0 | - | 4.95 | 171,581 |
| Countries with Five Letters | 0 | - | 4.96 | 283,235 |
| Countries with Six Letters | 0 | - | 4.94 | 214,038 |
| Countries with W | 0 | - | 4.96 | 160,652 |
| Countries with Z | 0 | - | 4.98 | 291,995 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,020 |
| Countries That End in U | 0 | - | 4.95 | 121,035 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,810 |
| Countries that End in O | 0 | - | 4.92 | 159,678 |
| Countries that End in R | 0 | - | 4.87 | 119,081 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,835 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,483 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,942 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,655 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,585 |
| Countries That End in Y | 0 | - | 4.91 | 186,002 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,201 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,085 |
| Countries that End in I | 0 | - | 4.94 | 135,222 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,387 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,941 |
| Countries That End in NIA | 0 | - | 4.92 | 109,929 |
| Countries That End in BIA | 0 | - | 4.93 | 149,411 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,344 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,637 |
