| Countries of the World Quiz | 0 | - | 5.00 | 47,126,704 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,846 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,410 |
| Top World Languages | 0 | - | 4.92 | 816,644 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,049 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,252 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,480 |
| World's Busiest Airports | 0 | - | 4.95 | 224,646 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,781 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,978 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,888 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,484 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,927 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,943 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,118 |
| Boundary Waters | 0 | - | 4.92 | 88,195 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,937 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,602 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,922 |
| World Currency Quiz | 0 | - | 4.92 | 300,189 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,839 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,544 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,927 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,462 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,103 |
| Landlocked Countries | 0 | - | 4.99 | 416,187 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,794 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,834 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,337 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,222 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,484 |
| Cities by Airports | 0 | - | 4.49 | 88,474 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,307 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,485 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,704 |
| Himalayan Countries | 0 | - | 4.95 | 136,307 |
| Andean Countries | 0 | - | 4.95 | 83,376 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,641 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,865 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,945 |
| Danube Countries | 0 | - | 4.97 | 71,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,131 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,804 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,059 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,005 |
| European Landlocked Countries | 0 | - | 4.99 | 146,068 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,682 |
| Countries with the Most Species | 0 | - | 4.99 | 99,196 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,831 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,309 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,483 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,775 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,145 |
| Countries in the Alps | 0 | - | 4.86 | 117,273 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,919 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,858 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,787 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,218 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,683 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,688 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,931 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,964 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,762 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,294 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,335 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,187 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,684 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,954 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,962 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,624 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,861 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,146 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,731 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,788 |
| Largest Countries By Category | 0 | - | 4.97 | 157,196 |
| Countries by Countries | 0 | - | 4.96 | 62,550 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,066 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,041 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,356 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,985 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,611 |
| Demonyms Quiz | 0 | - | 4.15 | 184,963 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,312 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,120 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,823 |
| Longest International Borders | 0 | - | 4.99 | 264,242 |
| Countries with Three Borders | 0 | - | 4.96 | 36,323 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,758 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,838 |
| Demonym of Every Country | 0 | - | 4.91 | 58,876 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,241 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,474 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,757 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,613 |
| Island Countries | 0 | - | 4.99 | 708,654 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,801 |
| Northernmost Countries | 0 | - | 4.99 | 359,133 |
| Countries of South America | 0 | - | 5.00 | 919,040 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,839 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,155 |
| "Land" Countries | 0 | - | 4.98 | 334,310 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,768 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,363 |
| Airline Logos | 0 | - | 4.45 | 140,233 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,253 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,155 |
| Countries with Megacities | 0 | - | 4.99 | 248,685 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,016 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,474 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,426 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,055 |
| Cities by Famous Street | 0 | - | 3.96 | 48,280 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,094 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,379 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,503 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,002 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,994 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,222 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,067 |
| Countries by Capital City | 0 | - | 5.00 | 67,361 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,667 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,197 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,636 |
| Moved Capital Cities | 0 | - | 4.96 | 73,840 |
| Countries by Official Language | 0 | - | 4.95 | 193,861 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,335 |
| Countries in their Native Language | 0 | - | 4.99 | 197,497 |
| Independence from Whom | 0 | - | 4.99 | 210,429 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,242 |
| Megadiverse Countries | 0 | - | 4.96 | 134,507 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,702 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,060 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,608 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,330 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,182 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,492 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,512 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,345 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,099 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,560 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,658 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,831 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,179 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,312 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,398 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,658 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,976 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,617 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,339 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,579 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,218 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,406 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,587 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,123 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,605 |
| Widest Countries East to West | 0 | - | 4.92 | 129,101 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,315 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,590 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,856 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,922 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,938 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,315 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,006 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,659 |
| Countries with Double Letters | 0 | - | 4.96 | 93,835 |
| Countries that End in N | 0 | - | 4.94 | 157,275 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,235 |
| Countries with Six Letters | 0 | - | 4.93 | 210,862 |
| Countries with W | 0 | - | 4.97 | 158,529 |
| Countries with Z | 0 | - | 4.98 | 288,422 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,868 |
| Countries That End in U | 0 | - | 4.95 | 119,670 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,030 |
| Countries that End in O | 0 | - | 4.92 | 158,709 |
| Countries that End in R | 0 | - | 4.87 | 118,421 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,975 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,593 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,651 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,735 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,303 |
| Countries That End in Y | 0 | - | 4.90 | 185,331 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,752 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,010 |
| Countries that End in I | 0 | - | 4.94 | 134,604 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,610 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,369 |
| Countries That End in NIA | 0 | - | 4.92 | 109,237 |
| Countries That End in BIA | 0 | - | 4.93 | 148,472 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,359 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,712 |
