| Countries of the World Quiz | 0 | - | 5.00 | 47,620,175 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,546 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,643 |
| Top World Languages | 0 | - | 4.92 | 824,953 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,533 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,593 |
| World's Busiest Airports | 0 | - | 4.96 | 235,196 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,975 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,219 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,531 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,032 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,134 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,661 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,442 |
| Boundary Waters | 0 | - | 4.92 | 88,600 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,271 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,324 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,643 |
| World Currency Quiz | 0 | - | 4.92 | 304,459 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,945 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,343 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,358 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,907 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,603 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,850 |
| Landlocked Countries | 0 | - | 4.99 | 422,449 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,248 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,640 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,730 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,474 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,488 |
| Cities by Airports | 0 | - | 4.47 | 102,112 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,745 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,178 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,756 |
| Himalayan Countries | 0 | - | 4.95 | 138,955 |
| Andean Countries | 0 | - | 4.93 | 84,750 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,958 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,031 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,569 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,902 |
| Danube Countries | 0 | - | 4.97 | 72,079 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,097 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,477 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,419 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,898 |
| European Landlocked Countries | 0 | - | 4.99 | 147,206 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,738 |
| Countries with the Most Species | 0 | - | 4.99 | 103,287 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,856 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,625 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,742 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,579 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,282 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,716 |
| Countries in the Alps | 0 | - | 4.87 | 118,283 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,151 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,421 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,141 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,700 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,646 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,571 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,990 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,731 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,552 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,206 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,910 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,683 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,557 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,271 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,524 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,586 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,015 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,355 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,347 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,157 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,186 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,270 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,272 |
| Largest Countries By Category | 0 | - | 4.97 | 158,304 |
| Countries by Countries | 0 | - | 4.96 | 63,300 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,726 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,782,210 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,748 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,870 |
| Demonyms Quiz | 0 | - | 4.15 | 185,335 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,510 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,122 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,330 |
| Longest International Borders | 0 | - | 4.99 | 265,274 |
| Countries with Three Borders | 0 | - | 4.96 | 36,629 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,148 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,254 |
| Demonym of Every Country | 0 | - | 4.91 | 60,822 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,341 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,954 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,717 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,642 |
| Island Countries | 0 | - | 4.99 | 711,207 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,445 |
| Northernmost Countries | 0 | - | 4.99 | 362,187 |
| Countries of South America | 0 | - | 5.00 | 928,027 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,776 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,772 |
| "Land" Countries | 0 | - | 4.98 | 337,472 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,011 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,600 |
| Airline Logos | 0 | - | 4.45 | 141,047 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,558 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,023 |
| Countries with Megacities | 0 | - | 4.99 | 264,879 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,858 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,542 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,122 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,620 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,150 |
| Cities by Famous Street | 0 | - | 3.96 | 48,348 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,152 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,634 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,600 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,594 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,727 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,552 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,412 |
| Countries by Capital City | 0 | - | 5.00 | 68,705 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,411 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,856 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,448 |
| Moved Capital Cities | 0 | - | 4.96 | 74,383 |
| Countries by Official Language | 0 | - | 4.95 | 195,344 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,504 |
| Countries in their Native Language | 0 | - | 4.99 | 199,134 |
| Independence from Whom | 0 | - | 4.99 | 212,218 |
| Subdivisions by Country | 0 | - | 4.87 | 50,449 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,810 |
| Megadiverse Countries | 0 | - | 4.96 | 135,056 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,183 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,385 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,263 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,124 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,194 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,624 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,536 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,066 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,683 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,161 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,769 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,916 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,230 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,992 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,380 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,515 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,854 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,324 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,395 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,179 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,333 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,038 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,338 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,937 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,053 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,334 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,469 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,607 |
| Widest Countries East to West | 0 | - | 4.92 | 129,698 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,468 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,435 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,139 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,799 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,628 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,914 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,390 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,811 |
| Countries with Double Letters | 0 | - | 4.96 | 96,324 |
| Countries that End in N | 0 | - | 4.95 | 171,224 |
| Countries with Five Letters | 0 | - | 4.96 | 282,671 |
| Countries with Six Letters | 0 | - | 4.94 | 213,661 |
| Countries with W | 0 | - | 4.97 | 160,397 |
| Countries with Z | 0 | - | 4.98 | 291,573 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,768 |
| Countries That End in U | 0 | - | 4.95 | 120,882 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,532 |
| Countries that End in O | 0 | - | 4.92 | 159,540 |
| Countries that End in R | 0 | - | 4.87 | 118,982 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,754 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,179 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,738 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,504 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,425 |
| Countries That End in Y | 0 | - | 4.91 | 185,897 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,987 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,907 |
| Countries that End in I | 0 | - | 4.94 | 135,122 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,159 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,844 |
| Countries That End in NIA | 0 | - | 4.92 | 109,817 |
| Countries That End in BIA | 0 | - | 4.93 | 149,245 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,152 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,457 |
