| Countries of the World Quiz | 0 | - | 5.00 | 46,913,640 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,545 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,809 |
| Top World Languages | 0 | - | 4.92 | 813,060 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,444 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,971 |
| Busiest Airports in Europe | 0 | - | 4.91 | 144,896 |
| World's Busiest Airports | 0 | - | 4.94 | 210,406 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,689 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,262 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,109 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,856 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,982 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,054 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,955 |
| Boundary Waters | 0 | - | 4.92 | 88,037 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,812 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,276 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,583 |
| World Currency Quiz | 0 | - | 4.92 | 298,428 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,779 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,002 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,783 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,253 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,767 |
| Landlocked Countries | 0 | - | 4.99 | 413,529 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,593 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,461 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,159 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,604 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,971 |
| Cities by Airports | 0 | - | 4.49 | 87,793 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,125 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,965 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,557 |
| Himalayan Countries | 0 | - | 4.95 | 135,329 |
| Andean Countries | 0 | - | 4.94 | 82,810 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,205 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,184 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,884 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,590 |
| Danube Countries | 0 | - | 4.97 | 71,071 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,751 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,530 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,457 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,377 |
| European Landlocked Countries | 0 | - | 4.99 | 145,743 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,189 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,328 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,365 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,951 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,945 |
| Countries in the Alps | 0 | - | 4.86 | 116,808 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,811 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,554 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,244 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,997 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,153 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,993 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,562 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,743 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,251 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,043 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,039 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,733 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,745 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,047 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,634 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,763 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,240 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,658 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,598 |
| Largest Countries By Category | 0 | - | 4.97 | 156,745 |
| Countries by Countries | 0 | - | 4.96 | 62,249 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,758 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,978 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,706 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,485 |
| Demonyms Quiz | 0 | - | 4.15 | 184,834 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,185 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,229 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,392 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,618 |
| Longest International Borders | 0 | - | 4.99 | 263,533 |
| Countries with Three Borders | 0 | - | 4.96 | 36,178 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,599 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,663 |
| Demonym of Every Country | 0 | - | 4.91 | 58,636 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,211 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,819 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,909 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,092 |
| Island Countries | 0 | - | 4.99 | 707,589 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,361 |
| Northernmost Countries | 0 | - | 4.99 | 357,688 |
| Countries of South America | 0 | - | 5.00 | 914,586 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,290 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,057 |
| "Land" Countries | 0 | - | 4.98 | 333,630 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,688 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,854 |
| Airline Logos | 0 | - | 4.45 | 139,942 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,160 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,153 |
| Countries with Megacities | 0 | - | 4.99 | 246,817 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,073 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,945 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,493 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,829 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,026 |
| Cities by Famous Street | 0 | - | 3.96 | 48,245 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,064 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,749 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,941 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,651 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,598 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,612 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,433 |
| Countries by Capital City | 0 | - | 5.00 | 66,636 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,325 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,901 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,405 |
| Moved Capital Cities | 0 | - | 4.96 | 73,583 |
| Countries by Official Language | 0 | - | 4.95 | 192,759 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,104 |
| Countries in their Native Language | 0 | - | 4.99 | 196,624 |
| Independence from Whom | 0 | - | 4.99 | 209,668 |
| Subdivisions by Country | 0 | - | 4.86 | 50,063 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,732 |
| Megadiverse Countries | 0 | - | 4.97 | 133,894 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,787 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,425 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,857 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,645 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,992 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,934 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,138 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,210 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,739 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,559 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,409 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,487 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,500 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,668 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,019 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,110 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,565 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,320 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,331 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,980 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,941 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,731 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,846 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,053 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,268 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,940 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,332 |
| Widest Countries East to West | 0 | - | 4.92 | 128,600 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,216 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,200 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,682 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,622 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,033 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,050 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,579 |
| Countries with Double Letters | 0 | - | 4.97 | 93,374 |
| Countries that End in N | 0 | - | 4.94 | 156,756 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,669 |
| Countries with Six Letters | 0 | - | 4.93 | 210,342 |
| Countries with W | 0 | - | 4.97 | 158,215 |
| Countries with Z | 0 | - | 4.98 | 287,860 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,539 |
| Countries That End in U | 0 | - | 4.95 | 119,511 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,529 |
| Countries that End in O | 0 | - | 4.92 | 158,548 |
| Countries that End in R | 0 | - | 4.87 | 118,270 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,856 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,004 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,313 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,484 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,003 |
| Countries That End in Y | 0 | - | 4.90 | 185,197 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,358 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,678 |
| Countries that End in I | 0 | - | 4.94 | 134,407 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,182 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,190 |
| Countries That End in NIA | 0 | - | 4.92 | 109,003 |
| Countries That End in BIA | 0 | - | 4.92 | 147,708 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,053 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,478 |
