| Countries by Sports League Revenue | 0 | - | 4.94 | 75,499 |
| North American Sports Cities | 0 | - | 4.83 | 170,845 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,904 |
| Olympic Host Countries | 0 | - | 4.98 | 198,832 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,229 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,063 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 231,172 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,828 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,798 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,037 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,944 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,738 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,624 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,074 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,412 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,804 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,691 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,025 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,051 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,238 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,450 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,179 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,892,457 |
| Landlocked Countries | 0 | - | 4.99 | 413,296 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,560 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,253 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,629 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,778 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,032 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,946 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,393 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.40 | 105,493 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,311 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,400 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,825 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,789 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,137 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,549 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,904 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,473 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,882 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,929 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,280 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,010 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,593 |
| Island Countries | 0 | - | 4.99 | 707,482 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,443 |
| Himalayan Countries | 0 | - | 4.95 | 135,226 |
| Andean Countries | 0 | - | 4.94 | 82,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,172 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,112 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,841 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,549 |
| Danube Countries | 0 | - | 4.97 | 71,047 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,714 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,503 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,398 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,326 |
| European Landlocked Countries | 0 | - | 4.99 | 145,718 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,144 |
| Countries with the Most Species | 0 | - | 4.99 | 95,226 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,287 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,939 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,921 |
| Countries in the Alps | 0 | - | 4.87 | 116,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,189 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,115 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,971 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,531 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,094 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,690 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,021 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,316 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,182 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,022 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,418 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,723 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,997 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,610 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,238 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,734 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,087 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,538 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,574 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,725 |
| Largest Countries By Category | 0 | - | 4.97 | 156,702 |
| Countries by Countries | 0 | - | 4.96 | 62,227 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,326 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,952 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,039 |
| Northernmost Countries | 0 | - | 4.99 | 357,540 |
| Countries of South America | 0 | - | 5.00 | 914,150 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,710 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,093 |
| "Land" Countries | 0 | - | 4.98 | 333,556 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,676 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,473 |
| Top World Languages | 0 | - | 4.92 | 812,698 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,523 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,224 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,317 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,591 |
| Longest International Borders | 0 | - | 4.99 | 263,489 |
| Countries with Three Borders | 0 | - | 4.96 | 36,162 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,585 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,642 |
| Demonym of Every Country | 0 | - | 4.91 | 58,615 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,152 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,447 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,996 |
| Countries with Megacities | 0 | - | 4.99 | 246,518 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,797 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| American Cities by Stadium | 0 | - | 4.02 | 36,478 |
| City by Football Clubs | 0 | - | 4.37 | 137,002 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,692 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,884 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,613 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,566 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,554 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,344 |
| Countries by Capital City | 0 | - | 5.00 | 66,564 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,285 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,870 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,391 |
| Moved Capital Cities | 0 | - | 4.96 | 73,555 |
| Countries by Official Language | 0 | - | 4.95 | 192,703 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,034 |
| Countries in their Native Language | 0 | - | 4.99 | 196,558 |
| Independence from Whom | 0 | - | 4.99 | 209,600 |
| Subdivisions by Country | 0 | - | 4.86 | 50,050 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,681 |
| Megadiverse Countries | 0 | - | 4.97 | 133,866 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,737 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,407 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,606 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,973 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,834 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,118 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,202 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,879 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,474 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,004 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,431 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,486 |
| World Map Quiz | 0 | - | 4.81 | 63,449 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,480 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,285 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,271 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,946 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,907 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,640 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,824 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,238 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,923 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,310 |
| Widest Countries East to West | 0 | - | 4.92 | 128,578 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,165 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,550 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,667 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,595 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,012 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,732 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,566 |
| Countries with Double Letters | 0 | - | 4.97 | 93,308 |
| Countries that End in N | 0 | - | 4.94 | 156,371 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,602 |
| Countries with Six Letters | 0 | - | 4.93 | 210,281 |
| Countries with W | 0 | - | 4.97 | 158,178 |
| Countries with Z | 0 | - | 4.98 | 287,788 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,497 |
| Countries That End in U | 0 | - | 4.95 | 119,490 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,473 |
| Countries that End in O | 0 | - | 4.92 | 158,525 |
| Countries that End in R | 0 | - | 4.87 | 118,248 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,844 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,950 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,279 |
