| NBA Cities Map Quiz | 0 | - | 4.51 | 251,616 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,455 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,931 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,572,932 |
| North American Sports Cities | 0 | - | 4.83 | 171,752 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,244 |
| Olympic Host Countries | 0 | - | 4.98 | 200,361 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,999 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,591 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,447 |
| NBA Player to Country | 0 | - | 4.29 | 83,729 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,866 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,246 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,988 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,092 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,262 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.40 | 106,510 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 233,262 |
| Boundary Waters | 0 | - | 4.92 | 88,372 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,079 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,904 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,933 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,327,406 |
| Landlocked Countries | 0 | - | 4.99 | 418,835 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,762 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,770 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,379 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,271 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,283 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,039 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,995 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,493 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,610 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,657 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,884 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,168 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,702 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,186 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,626 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,960 |
| Himalayan Countries | 0 | - | 4.94 | 137,384 |
| Andean Countries | 0 | - | 4.95 | 83,912 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,211 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,624 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,820 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,340 |
| Danube Countries | 0 | - | 4.97 | 71,646 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,533 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,045 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,624 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,707 |
| European Landlocked Countries | 0 | - | 4.99 | 146,763 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,117 |
| Countries with the Most Species | 0 | - | 4.99 | 102,899 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,250 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,429 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,584 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,294 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,978 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,354 |
| Countries in the Alps | 0 | - | 4.87 | 117,675 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,350 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,404 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,972 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,081 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,469 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,271 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,175 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,961 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,740 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,546 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,471 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,334 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,915 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,201 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,156 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,056 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,506 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,314 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,199 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,991 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,089 |
| Largest Countries By Category | 0 | - | 4.97 | 157,619 |
| Countries by Countries | 0 | - | 4.96 | 62,828 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,194 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,156 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,314 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,755 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,207 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,365 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,729 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,352 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,214 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,388 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,048 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,067 |
| Longest International Borders | 0 | - | 4.99 | 264,646 |
| Countries with Three Borders | 0 | - | 4.96 | 36,449 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,905 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 48,001 |
| Demonym of Every Country | 0 | - | 4.91 | 59,143 |
| NBA Big Three Teammates | 0 | - | 4.58 | 108,637 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,885 |
| American Cities by Stadium | 0 | - | 4.02 | 36,531 |
| City by Football Clubs | 0 | - | 4.38 | 137,835 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,720 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,571 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,048 |
| Island Countries | 0 | - | 4.99 | 709,707 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,566 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,494 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,945 |
| Northernmost Countries | 0 | - | 4.99 | 360,416 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,085 |
| Countries of South America | 0 | - | 5.00 | 922,766 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,847 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,037 |
| "Land" Countries | 0 | - | 4.98 | 335,774 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,683 |
| All Country Flags of the World | 0 | - | 5.00 | 3,648,782 |
| Top World Languages | 0 | - | 4.92 | 820,105 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,342 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,152 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,135 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,694 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,992 |
| Countries with Megacities | 0 | - | 4.99 | 259,190 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,861 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,975 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,145 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,977 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,622 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,843 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,959 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,240 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,268 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,964 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,621 |
| Countries by Capital City | 0 | - | 5.00 | 67,916 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,970 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,459 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,636 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,963 |
| Moved Capital Cities | 0 | - | 4.96 | 74,056 |
| Countries by Official Language | 0 | - | 4.95 | 194,623 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,503 |
| Countries in their Native Language | 0 | - | 4.99 | 198,166 |
| Independence from Whom | 0 | - | 4.99 | 211,281 |
| Subdivisions by Country | 0 | - | 4.86 | 50,284 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,684 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,532 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,180 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,746 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,014 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,698 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,377 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,963 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,838 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,476 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,986 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,707 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,988 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,769 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,144 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,319 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,161 |
| World Map Quiz | 0 | - | 4.81 | 64,502 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,555 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,023 |
| Countries by Founding Story | 0 | - | 4.95 | 77,054 |
| Countries by Road Signs | 0 | - | 4.98 | 53,645 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,481 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,917 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,630 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,306 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,511 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,666 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,820 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,255 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,275 |
| Widest Countries East to West | 0 | - | 4.92 | 129,360 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,380 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,949 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,988 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,504 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,210 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,533 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,228 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,349 |
| Countries with Double Letters | 0 | - | 4.97 | 95,071 |
| Countries that End in N | 0 | - | 4.95 | 169,962 |
| Countries with Five Letters | 0 | - | 4.96 | 280,096 |
| Countries with Six Letters | 0 | - | 4.94 | 212,455 |
