| Countries by Sports League Revenue | 0 | - | 4.89 | 45,126 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,641 |
| Olympic Host Countries | 0 | - | 4.98 | 164,452 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 239,827 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.38 | 95,351 |
| NBA Cities Map Quiz | 0 | - | 4.45 | 224,078 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 195,945 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 33,140 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,633 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,557 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 107,279 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,707 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,374 |
| UK Cities Map Quiz | 0 | - | 4.95 | 438,317 |
| Australia Cities Map Quiz | 0 | - | 4.86 | 133,403 |
| Boundary Waters | 0 | - | 4.93 | 82,060 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,486 |
| North American Sports Cities | 0 | - | 4.79 | 161,208 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 95,546 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,804,966 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,894 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 47,053 |
| Countries with Major League Baseball Players | 0 | - | 4.55 | 53,877 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 87,200 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 49,488 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.43 | 52,257 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 78,752 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,721 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,819 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,318 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,923 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,641 |
| World Capitals Quiz | 0 | - | 5.00 | 4,580,820 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,925 |
| Members of the Arab League | 0 | - | 4.86 | 66,491 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,658 |
| Himalayan Countries | 0 | - | 4.94 | 108,602 |
| Andean Countries | 0 | - | 4.91 | 60,320 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,493 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,925 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,551 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,891 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,322 |
| Danube Countries | 0 | - | 4.96 | 57,262 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,260 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,323 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,788 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,472 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,119 |
| European Landlocked Countries | 0 | - | 4.99 | 137,265 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,878 |
| Countries with the Most Species | 0 | - | 4.99 | 90,074 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,420 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,049 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,340 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,111 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,154 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,976 |
| Countries in the Alps | 0 | - | 4.84 | 103,949 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,504 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,688 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,334 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,435 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,957 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,397 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,602 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,815 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,730 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 86,751 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,227 |
| Countries With the Most NBA Players | 0 | - | 4.45 | 83,513 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,059 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,052 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,630 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,725 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,291 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,718 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,997 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,097 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,973 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,572 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,872 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.69 | 85,533 |
| Largest Countries By Category | 0 | - | 4.97 | 146,521 |
| Countries by Countries | 0 | - | 4.95 | 55,672 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,177,434 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,244 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,714 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,232,451 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,356 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,746 |
| MLB Cities Map Quiz | 0 | - | 4.45 | 63,752 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,598 |
| Who Controls It? #1 | 0 | - | 4.82 | 45,902 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,415 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,940 |
| Longest International Borders | 0 | - | 4.99 | 236,786 |
| Countries with Three Borders | 0 | - | 4.96 | 32,173 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,924 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,443 |
| Demonym of Every Country | 0 | - | 4.91 | 50,882 |
| American Cities by Stadium Quiz | 0 | - | 4.02 | 35,817 |
| City by Football Clubs | 0 | - | 4.40 | 130,876 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,409,875 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,346 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,024 |
| Island Countries Quiz | 0 | - | 4.99 | 669,084 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 63,011 |
| Countries that Export the Most Football Players | 0 | - | 4.39 | 49,328 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,288 |
| Northernmost Countries | 0 | - | 4.99 | 331,081 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.46 | 156,702 |
| Countries of South America | 0 | - | 5.00 | 810,861 |
| Countries of Oceania | 0 | - | 5.00 | 914,717 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,613,321 |
| Europe Map Quiz | 0 | - | 5.00 | 4,355,648 |
| Top World Languages | 0 | - | 4.92 | 724,157 |
| Analogies of Countries #1 | 0 | - | 4.87 | 63,478 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,844 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,963 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,329,677 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,559 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,179 |
| Countries with Megacities | 0 | - | 4.99 | 202,037 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,538 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,044 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,353 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,975 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,301 |
| Biggest Cities in the World | 0 | - | 4.90 | 703,428 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,976 |
| Winter Olympics Hosts Quiz | 0 | - | 4.40 | 73,275 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,095 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,957 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,670 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,346 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,349 |
| Countries by Capital City | 0 | - | 4.99 | 51,608 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,249 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,248 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,490 |
| Moved Capital Cities | 0 | - | 4.96 | 67,994 |
| Countries by Official Language | 0 | - | 4.96 | 175,352 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,682 |
| Countries in their Native Language | 0 | - | 4.98 | 180,721 |
| Independence from Whom | 0 | - | 4.99 | 189,532 |
| Subdivisions by Country | 0 | - | 4.84 | 46,924 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,745 |
| Megadiverse Countries | 0 | - | 4.96 | 126,854 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,043 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,629 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,851 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,419 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,928 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,719 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,072 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,754 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,871 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,297 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,980 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,526 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,433 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,065 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,119,689 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,732 |
| World Map Quiz | 0 | - | 4.90 | 51,569 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,795 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,879 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,894 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,249 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,933 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,734 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,139 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,371 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,147 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,638 |
| Widest Countries East to West | 0 | - | 4.93 | 120,611 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,137 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,626 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,869 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,444 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,904 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,702 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,538 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,813 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,431 |
| Athletes by Country Quiz #1 | 0 | - | 4.34 | 44,300 |
| Countries with Double Letters | 0 | - | 4.96 | 72,155 |
| Countries that End in N | 0 | - | 4.94 | 136,409 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,202 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,861 |
| Countries with W | 0 | - | 4.96 | 125,956 |
| Countries with Z | 0 | - | 4.98 | 264,963 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,857 |
| Countries That End in U | 0 | - | 4.95 | 109,569 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,594 |
| Countries that End in O | 0 | - | 4.92 | 148,798 |
