| Countries of the World Quiz | 0 | - | 5.00 | 47,451,296 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,350 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,172 |
| Top World Languages | 0 | - | 4.92 | 822,102 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,911 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,208 |
| World's Busiest Airports | 0 | - | 4.96 | 233,559 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,919 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,822 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,854 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,480 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,324 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 215,024 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,359 |
| Boundary Waters | 0 | - | 4.92 | 88,461 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,160 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,079 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,406 |
| World Currency Quiz | 0 | - | 4.92 | 303,008 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,921 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,959 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,133 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,764 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,266 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,580 |
| Landlocked Countries | 0 | - | 4.99 | 420,413 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,079 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,357 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,598 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,943 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| Cities by Airports | 0 | - | 4.49 | 88,722 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,573 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,150 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,662 |
| Himalayan Countries | 0 | - | 4.95 | 138,054 |
| Andean Countries | 0 | - | 4.95 | 84,246 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,471 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,298 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,104 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,550 |
| Danube Countries | 0 | - | 4.97 | 71,823 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,772 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,217 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,950 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,392 |
| European Landlocked Countries | 0 | - | 4.99 | 146,954 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,362 |
| Countries with the Most Species | 0 | - | 4.99 | 103,080 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,522 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,497 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,657 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,436 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,499 |
| Countries in the Alps | 0 | - | 4.87 | 117,949 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,073 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,210 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,678 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,439 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,293 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,828 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,458 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,331 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,068 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,698 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,561 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,417 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,063 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,341 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,357 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,504 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,174 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,683 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,800 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,122 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,638 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,102 |
| Largest Countries By Category | 0 | - | 4.97 | 157,910 |
| Countries by Countries | 0 | - | 4.97 | 63,003 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,933 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,554 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,792 |
| Demonyms Quiz | 0 | - | 4.15 | 185,186 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,440 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,559 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,176 |
| Longest International Borders | 0 | - | 4.99 | 264,925 |
| Countries with Three Borders | 0 | - | 4.96 | 36,526 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,009 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,125 |
| Demonym of Every Country | 0 | - | 4.91 | 60,045 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,311 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,209 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,204 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,016 |
| Island Countries | 0 | - | 4.99 | 710,352 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,748 |
| Northernmost Countries | 0 | - | 4.99 | 361,182 |
| Countries of South America | 0 | - | 5.00 | 924,954 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,859 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,620 |
| "Land" Countries | 0 | - | 4.98 | 336,220 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,908 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,165 |
| Airline Logos | 0 | - | 4.45 | 140,732 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,394 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,440 |
| Countries with Megacities | 0 | - | 4.99 | 263,311 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,281 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,233 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,577 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,272 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,112 |
| Cities by Famous Street | 0 | - | 3.96 | 48,320 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,128 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,114 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,235 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,394 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,482 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,214 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,974 |
| Countries by Capital City | 0 | - | 5.00 | 68,252 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,157 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,639 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,189 |
| Moved Capital Cities | 0 | - | 4.96 | 74,202 |
| Countries by Official Language | 0 | - | 4.95 | 194,920 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,931 |
| Countries in their Native Language | 0 | - | 4.99 | 198,444 |
| Independence from Whom | 0 | - | 4.99 | 211,690 |
| Subdivisions by Country | 0 | - | 4.86 | 50,358 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,970 |
| Megadiverse Countries | 0 | - | 4.96 | 134,872 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,777 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,252 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,842 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,899 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,473 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,206 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,933 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,560 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,039 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,326 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,789 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,089 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,864 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,411 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,411 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,636 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,185 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,769 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,082 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,821 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,751 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,707 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,842 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,008 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,348 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,425 |
| Widest Countries East to West | 0 | - | 4.92 | 129,493 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,158 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,059 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,634 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,402 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,696 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,307 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,763 |
| Countries with Double Letters | 0 | - | 4.97 | 95,379 |
| Countries that End in N | 0 | - | 4.95 | 170,413 |
| Countries with Five Letters | 0 | - | 4.96 | 281,335 |
| Countries with Six Letters | 0 | - | 4.94 | 212,829 |
| Countries with W | 0 | - | 4.97 | 159,724 |
| Countries with Z | 0 | - | 4.98 | 290,635 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,983 |
| Countries That End in U | 0 | - | 4.95 | 120,522 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,004 |
| Countries that End in O | 0 | - | 4.92 | 159,291 |
| Countries that End in R | 0 | - | 4.87 | 118,808 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,576 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,607 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,329 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,222 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,834 |
| Countries That End in Y | 0 | - | 4.91 | 185,728 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,536 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,605 |
| Countries that End in I | 0 | - | 4.94 | 134,958 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,728 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,671 |
| Countries That End in NIA | 0 | - | 4.92 | 109,630 |
| Countries That End in BIA | 0 | - | 4.93 | 148,983 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,882 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,208 |
