| Countries of the World Quiz | 0 | - | 5.00 | 47,171,661 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,945 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,864 |
| Top World Languages | 0 | - | 4.92 | 817,472 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,200 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,319 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,695 |
| World's Busiest Airports | 0 | - | 4.96 | 229,114 |
| Boundary Waters | 0 | - | 4.92 | 88,236 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,970 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,661 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,175 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,087 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,629 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,133 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,157 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,854 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,986 |
| World Currency Quiz | 0 | - | 4.92 | 300,598 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,629 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,968 |
| Landlocked Countries | 0 | - | 4.99 | 416,765 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,509 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,378 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,302 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,554 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,987 |
| Himalayan Countries | 0 | - | 4.95 | 136,543 |
| Andean Countries | 0 | - | 4.95 | 83,510 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,773 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,036 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,442 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,039 |
| Danube Countries | 0 | - | 4.97 | 71,440 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,232 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,856 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,173 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,157 |
| European Landlocked Countries | 0 | - | 4.99 | 146,139 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,788 |
| Countries with the Most Species | 0 | - | 4.99 | 101,817 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,912 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,337 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,517 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,166 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,814 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,197 |
| Countries in the Alps | 0 | - | 4.86 | 117,343 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,914 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,927 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,260 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,753 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,835 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,263 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,998 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,814 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,338 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,371 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,206 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,735 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,008 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,018 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,736 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,904 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,435 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,262 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,061 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,596 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,838 |
| Largest Countries By Category | 0 | - | 4.97 | 157,281 |
| Countries by Countries | 0 | - | 4.96 | 62,597 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,082 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,093 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,839 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,901 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,087 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,644 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,326 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,279 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,859 |
| Longest International Borders | 0 | - | 4.99 | 264,318 |
| Countries with Three Borders | 0 | - | 4.96 | 36,352 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,781 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,876 |
| Demonym of Every Country | 0 | - | 4.91 | 58,925 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,358 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,261 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,941 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,242 |
| Demonyms Quiz | 0 | - | 4.15 | 185,001 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,251 |
| Cities by Airports | 0 | - | 4.49 | 88,517 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,798 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,953 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,075 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,862 |
| Island Countries | 0 | - | 4.99 | 708,859 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,465 |
| Northernmost Countries | 0 | - | 4.99 | 359,422 |
| Countries of South America | 0 | - | 5.00 | 919,813 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,949 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,067 |
| "Land" Countries | 0 | - | 4.98 | 334,643 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,266 |
| Globe Grid | 0 | - | 4.32 | 31,957 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,560 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,318 |
| Countries with Megacities | 0 | - | 4.99 | 249,030 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,163 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,564 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,511 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,535 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,066 |
| Cities by Famous Street | 0 | - | 3.96 | 48,284 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,096 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,476 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,614 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,060 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,072 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,331 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,192 |
| Countries by Capital City | 0 | - | 5.00 | 67,496 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,760 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,260 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,712 |
| Moved Capital Cities | 0 | - | 4.96 | 73,894 |
| Countries by Official Language | 0 | - | 4.95 | 194,034 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,650 |
| Countries in their Native Language | 0 | - | 4.99 | 197,652 |
| Independence from Whom | 0 | - | 4.99 | 210,831 |
| Subdivisions by Country | 0 | - | 4.86 | 50,204 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,353 |
| Megadiverse Countries | 0 | - | 4.96 | 134,547 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,852 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,079 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,633 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,949 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,456 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,229 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,612 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,555 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,376 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,808 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,221 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,582 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,690 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,648 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,864 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,207 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,685 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,599 |
| World Map Quiz | 0 | - | 4.81 | 64,106 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,708 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,072 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,677 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,404 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,731 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,277 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,475 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,638 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,151 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,646 |
| Widest Countries East to West | 0 | - | 4.92 | 129,145 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,332 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,666 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,925 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,961 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,986 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,369 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,107 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,679 |
| Countries with Double Letters | 0 | - | 4.96 | 94,160 |
| Countries that End in N | 0 | - | 4.95 | 166,279 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,608 |
| Countries with Six Letters | 0 | - | 4.93 | 211,157 |
| Countries with W | 0 | - | 4.97 | 158,831 |
| Countries with Z | 0 | - | 4.98 | 288,802 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,052 |
| Countries That End in U | 0 | - | 4.95 | 119,931 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,177 |
| Countries that End in O | 0 | - | 4.92 | 158,876 |
| Countries that End in R | 0 | - | 4.87 | 118,516 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,295 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,786 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,754 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,817 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,392 |
| Countries That End in Y | 0 | - | 4.90 | 185,438 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,848 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,099 |
| Countries that End in I | 0 | - | 4.94 | 134,678 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,705 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,416 |
| Countries That End in NIA | 0 | - | 4.92 | 109,298 |
| Countries That End in BIA | 0 | - | 4.93 | 148,573 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,432 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,774 |
| Countries That End in RIA | 0 | - | 4.93 | 126,352 |
