| Countries of the World Quiz | 0 | - | 5.00 | 47,117,075 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,820 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,280 |
| Top World Languages | 0 | - | 4.92 | 816,466 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,005 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,232 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,400 |
| World's Busiest Airports | 0 | - | 4.95 | 221,674 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,837 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,821 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,448 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,875 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,864 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,098 |
| Airline Logos | 0 | - | 4.45 | 140,222 |
| Boundary Waters | 0 | - | 4.92 | 88,187 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,932 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,583 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,909 |
| World Currency Quiz | 0 | - | 4.92 | 300,103 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,832 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,523 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,917 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,448 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,042 |
| Landlocked Countries | 0 | - | 4.99 | 416,040 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,779 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,811 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,322 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,205 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,462 |
| Cities by Airports | 0 | - | 4.49 | 88,460 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,296 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,879 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,632 |
| Himalayan Countries | 0 | - | 4.95 | 136,245 |
| Andean Countries | 0 | - | 4.95 | 83,328 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,606 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,819 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,307 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,926 |
| Danube Countries | 0 | - | 4.97 | 71,334 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,117 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,791 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,023 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,975 |
| European Landlocked Countries | 0 | - | 4.99 | 146,052 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,660 |
| Countries with the Most Species | 0 | - | 4.99 | 97,771 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,806 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,300 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,478 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,115 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,762 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,134 |
| Countries in the Alps | 0 | - | 4.86 | 117,253 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,913 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,842 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,756 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,212 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,666 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,562 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,205 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,913 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,953 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,754 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,286 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,182 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,676 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,938 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,945 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,609 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,853 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,388 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,133 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,683 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,427 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,780 |
| Largest Countries By Category | 0 | - | 4.97 | 157,177 |
| Countries by Countries | 0 | - | 4.96 | 62,531 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,062 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,035 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,736,494 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,777 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,977 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,606 |
| Demonyms Quiz | 0 | - | 4.15 | 184,955 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,309 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,080 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,814 |
| Longest International Borders | 0 | - | 4.99 | 264,227 |
| Countries with Three Borders | 0 | - | 4.96 | 36,318 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,750 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,834 |
| Demonym of Every Country | 0 | - | 4.91 | 58,861 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,241 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,399 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,440 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,543 |
| Island Countries | 0 | - | 4.99 | 708,611 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,662 |
| Northernmost Countries | 0 | - | 4.99 | 359,075 |
| Countries of South America | 0 | - | 5.00 | 918,849 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,650 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,648 |
| "Land" Countries | 0 | - | 4.98 | 334,284 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,764 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,336 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,252 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,126 |
| Countries with Megacities | 0 | - | 4.99 | 248,632 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,992 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,464 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,371 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,415 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,053 |
| Cities by Famous Street | 0 | - | 3.96 | 48,275 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,093 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,358 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,476 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,988 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,966 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,194 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,043 |
| Countries by Capital City | 0 | - | 5.00 | 67,324 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,653 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,189 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,627 |
| Moved Capital Cities | 0 | - | 4.96 | 73,827 |
| Countries by Official Language | 0 | - | 4.95 | 193,797 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,286 |
| Countries in their Native Language | 0 | - | 4.99 | 197,441 |
| Independence from Whom | 0 | - | 4.99 | 210,406 |
| Subdivisions by Country | 0 | - | 4.86 | 50,171 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,221 |
| Megadiverse Countries | 0 | - | 4.96 | 134,499 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,655 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,056 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,595 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,936 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,115 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,176 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,478 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,505 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,334 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,073 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,555 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,653 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,624 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,828 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,166 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,946 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,364 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,649 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,953 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,607 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,328 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,544 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,195 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,394 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,573 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,113 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,598 |
| Widest Countries East to West | 0 | - | 4.92 | 129,095 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,308 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,577 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,757 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,921 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,922 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,306 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,981 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| Countries with Double Letters | 0 | - | 4.96 | 93,822 |
| Countries that End in N | 0 | - | 4.94 | 157,254 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,219 |
| Countries with Six Letters | 0 | - | 4.93 | 210,852 |
| Countries with W | 0 | - | 4.97 | 158,512 |
| Countries with Z | 0 | - | 4.98 | 288,406 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,860 |
| Countries That End in U | 0 | - | 4.95 | 119,666 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,006 |
| Countries that End in O | 0 | - | 4.92 | 158,697 |
| Countries that End in R | 0 | - | 4.87 | 118,416 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,969 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,573 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,638 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,724 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,295 |
| Countries That End in Y | 0 | - | 4.90 | 185,325 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,740 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,999 |
| Countries that End in I | 0 | - | 4.94 | 134,596 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,602 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,363 |
| Countries That End in NIA | 0 | - | 4.92 | 109,225 |
| Countries That End in BIA | 0 | - | 4.93 | 148,460 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,346 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,706 |
