| Countries of the World Quiz | 0 | - | 5.00 | 47,888,541 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,808 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,763 |
| Top World Languages | 0 | - | 4.92 | 829,925 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,384 |
| Busiest Airports in Europe | 0 | - | 4.91 | 147,054 |
| World's Busiest Airports | 0 | - | 4.96 | 237,371 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,107 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,828 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,217 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,840 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,290 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 216,632 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,579 |
| Boundary Waters | 0 | - | 4.92 | 88,770 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,423 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,714 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,024 |
| World Currency Quiz | 0 | - | 4.92 | 306,834 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,973 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,706 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,506 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,140 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,965 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,156 |
| Landlocked Countries | 0 | - | 4.99 | 426,007 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,546 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,100 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,933 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,005 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,017 |
| Cities by Airports | 0 | - | 4.47 | 104,047 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,945 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,812 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,346 |
| Himalayan Countries | 0 | - | 4.93 | 140,307 |
| Andean Countries | 0 | - | 4.94 | 85,500 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,643 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,050 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,216 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,460 |
| Danube Countries | 0 | - | 4.97 | 72,418 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,612 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,854 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,155 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,638 |
| European Landlocked Countries | 0 | - | 4.99 | 147,620 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,324 |
| Countries with the Most Species | 0 | - | 4.99 | 103,574 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,429 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,781 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,849 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,588 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,028 |
| Countries in the Alps | 0 | - | 4.87 | 118,796 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,313 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,669 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,897 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,971 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,036 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,974 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,273 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,424 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,874 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,435 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,192 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,752 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,568 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,811 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,903 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,880 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,626 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,689 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,773 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,187 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,518 |
| Largest Countries By Category | 0 | - | 4.97 | 158,885 |
| Countries by Countries | 0 | - | 4.96 | 63,657 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,403 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,115 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,160 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,463 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| Demonyms Quiz | 0 | - | 4.15 | 185,544 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,618 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,125 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,580 |
| Longest International Borders | 0 | - | 4.99 | 265,828 |
| Countries with Three Borders | 0 | - | 4.96 | 36,779 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,361 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,498 |
| Demonym of Every Country | 0 | - | 4.90 | 61,492 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,395 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,523 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,784 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,725 |
| Island Countries | 0 | - | 4.99 | 712,614 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,884 |
| Northernmost Countries | 0 | - | 4.99 | 364,076 |
| Countries of South America | 0 | - | 5.00 | 932,869 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,577 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,675 |
| "Land" Countries | 0 | - | 4.98 | 338,420 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,115 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,226 |
| Airline Logos | 0 | - | 4.45 | 141,447 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,734 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,197 |
| Countries with Megacities | 0 | - | 4.99 | 267,185 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,879 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,153 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,194 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,262 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,186 |
| Cities by Famous Street | 0 | - | 3.96 | 48,382 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,184 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,322 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,371 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,980 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,217 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,243 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,162 |
| Countries by Capital City | 0 | - | 5.00 | 69,415 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,864 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,241 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,820 |
| Moved Capital Cities | 0 | - | 4.96 | 74,657 |
| Countries by Official Language | 0 | - | 4.95 | 196,021 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,664 |
| Countries in their Native Language | 0 | - | 4.99 | 199,753 |
| Independence from Whom | 0 | - | 4.99 | 213,101 |
| Subdivisions by Country | 0 | - | 4.87 | 50,620 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,459 |
| Megadiverse Countries | 0 | - | 4.96 | 135,287 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,965 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,546 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,696 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,277 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,860 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,128 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,573 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,071 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,260 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,563 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,384 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,449 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,154 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,589 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,877 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,041 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,393 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,720 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,286 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,102 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,573 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,616 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,446 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,550 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,752 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,703 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,749 |
| Widest Countries East to West | 0 | - | 4.92 | 130,479 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,602 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,275 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,524 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,071 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,989 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,497 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,507 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,896 |
| Countries with Double Letters | 0 | - | 4.96 | 97,107 |
| Countries that End in N | 0 | - | 4.95 | 171,981 |
| Countries with Five Letters | 0 | - | 4.96 | 283,825 |
| Countries with Six Letters | 0 | - | 4.94 | 214,511 |
| Countries with W | 0 | - | 4.96 | 160,972 |
| Countries with Z | 0 | - | 4.98 | 292,490 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,305 |
| Countries That End in U | 0 | - | 4.95 | 121,201 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,129 |
| Countries that End in O | 0 | - | 4.92 | 160,225 |
| Countries that End in R | 0 | - | 4.87 | 119,191 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,949 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,872 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,171 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,845 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,773 |
| Countries That End in Y | 0 | - | 4.91 | 186,095 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,482 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,289 |
| Countries that End in I | 0 | - | 4.94 | 135,324 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,646 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,064 |
| Countries That End in NIA | 0 | - | 4.92 | 110,072 |
| Countries That End in BIA | 0 | - | 4.93 | 149,587 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,559 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,782 |
