| Countries of the World Quiz | 0 | - | 5.00 | 47,001,559 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,628 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,349 |
| Top World Languages | 0 | - | 4.92 | 814,481 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,689 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,074 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,051 |
| World's Busiest Airports | 0 | - | 4.94 | 212,732 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,732 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,446 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,374 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,092 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,363 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,396 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,005 |
| Boundary Waters | 0 | - | 4.92 | 88,098 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,865 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,417 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,714 |
| World Currency Quiz | 0 | - | 4.92 | 299,178 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,797 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,343 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,832 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,332 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,860 |
| Landlocked Countries | 0 | - | 4.99 | 414,608 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,663 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,614 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,235 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,990 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,217 |
| Cities by Airports | 0 | - | 4.49 | 88,336 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,200 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,478 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,005 |
| Himalayan Countries | 0 | - | 4.95 | 135,710 |
| Andean Countries | 0 | - | 4.94 | 83,030 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,379 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,443 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,737 |
| Danube Countries | 0 | - | 4.97 | 71,184 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,903 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,641 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,708 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,610 |
| European Landlocked Countries | 0 | - | 4.99 | 145,880 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,368 |
| Countries with the Most Species | 0 | - | 4.99 | 95,299 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,537 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,239 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,406 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,656 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,023 |
| Countries in the Alps | 0 | - | 4.86 | 116,986 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,845 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,684 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,462 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,109 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,513 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,298 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,702 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,843 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,599 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,153 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,232 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,102 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,539 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,831 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,301 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,738 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,312 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,947 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,860 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,002 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,683 |
| Largest Countries By Category | 0 | - | 4.97 | 156,912 |
| Countries by Countries | 0 | - | 4.96 | 62,367 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,862 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,009 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,813 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,522 |
| Demonyms Quiz | 0 | - | 4.15 | 184,888 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,337 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,270 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,703 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,701 |
| Longest International Borders | 0 | - | 4.99 | 263,978 |
| Countries with Three Borders | 0 | - | 4.96 | 36,253 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,652 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,749 |
| Demonym of Every Country | 0 | - | 4.91 | 58,738 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,224 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,201 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,406 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,495 |
| Island Countries | 0 | - | 4.99 | 708,016 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,815 |
| Northernmost Countries | 0 | - | 4.99 | 358,277 |
| Countries of South America | 0 | - | 5.00 | 916,630 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,642 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,866 |
| "Land" Countries | 0 | - | 4.98 | 333,918 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,726 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,056 |
| Airline Logos | 0 | - | 4.45 | 140,062 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,197 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,705 |
| Countries with Megacities | 0 | - | 4.99 | 247,761 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,560 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,239 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,960 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,185 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,040 |
| Cities by Famous Street | 0 | - | 3.96 | 48,261 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,076 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,014 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,222 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,837 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,791 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,925 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,750 |
| Countries by Capital City | 0 | - | 5.00 | 66,972 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,493 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,032 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,512 |
| Moved Capital Cities | 0 | - | 4.96 | 73,709 |
| Countries by Official Language | 0 | - | 4.95 | 192,983 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,434 |
| Countries in their Native Language | 0 | - | 4.99 | 196,842 |
| Independence from Whom | 0 | - | 4.99 | 209,955 |
| Subdivisions by Country | 0 | - | 4.86 | 50,115 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,933 |
| Megadiverse Countries | 0 | - | 4.97 | 133,982 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,010 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,967 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,482 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,886 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,787 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,071 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,217 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,232 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,264 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,767 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,466 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,568 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,556 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,748 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,077 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,136 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,897 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,441 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,607 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,382 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,123 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,099 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,023 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,213 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,416 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,019 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,458 |
| Widest Countries East to West | 0 | - | 4.92 | 128,955 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,261 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,366 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,616 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,785 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,727 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,154 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,254 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,625 |
| Countries with Double Letters | 0 | - | 4.97 | 93,581 |
| Countries that End in N | 0 | - | 4.94 | 157,060 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,900 |
| Countries with Six Letters | 0 | - | 4.93 | 210,563 |
| Countries with W | 0 | - | 4.97 | 158,355 |
| Countries with Z | 0 | - | 4.98 | 288,091 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,680 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,781 |
| Countries that End in O | 0 | - | 4.92 | 158,617 |
| Countries that End in R | 0 | - | 4.87 | 118,337 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,907 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,300 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,470 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,592 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,134 |
| Countries That End in Y | 0 | - | 4.90 | 185,259 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,526 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,822 |
| Countries that End in I | 0 | - | 4.94 | 134,500 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,361 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,259 |
| Countries That End in NIA | 0 | - | 4.92 | 109,078 |
| Countries That End in BIA | 0 | - | 4.92 | 147,801 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,183 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,585 |
