| Countries by Sports League Revenue | 0 | - | 4.94 | 77,745 |
| North American Sports Cities | 0 | - | 4.83 | 172,685 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,417 |
| Olympic Host Countries | 0 | - | 4.98 | 201,165 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,988 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.40 | 107,257 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,975 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,565 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 49,796 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,666 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,750 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,552 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,567 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,507 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,269 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,770 |
| Boundary Waters | 0 | - | 4.92 | 88,597 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,313 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,651 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,465 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,810 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,613,166 |
| Landlocked Countries | 0 | - | 4.99 | 422,357 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,895 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,114 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,704 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,574 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,414 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,722 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,362 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,724 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,056 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,459 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,473 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,538 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,223 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,521 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,948 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,712 |
| Himalayan Countries | 0 | - | 4.95 | 138,909 |
| Andean Countries | 0 | - | 4.93 | 84,725 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,926 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,987 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,542 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,880 |
| Danube Countries | 0 | - | 4.97 | 72,065 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,084 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,471 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,386 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,876 |
| European Landlocked Countries | 0 | - | 4.99 | 147,193 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,722 |
| Countries with the Most Species | 0 | - | 4.99 | 103,277 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,839 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,616 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,737 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,575 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,263 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,710 |
| Countries in the Alps | 0 | - | 4.87 | 118,270 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,361 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,108 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,694 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,635 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,558 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,984 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,718 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,543 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,203 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,637 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,895 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,253 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,679 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,548 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,261 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,511 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,571 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,997 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,344 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,248 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,139 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,128 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,240 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,266 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,292 |
| Largest Countries By Category | 0 | - | 4.97 | 158,283 |
| Countries by Countries | 0 | - | 4.96 | 63,275 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,745 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,711 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,194 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,529 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,745 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,868 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,754 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,540 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,509 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,096 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,322 |
| Longest International Borders | 0 | - | 4.99 | 265,255 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,146 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,248 |
| Demonym of Every Country | 0 | - | 4.91 | 60,806 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,877 |
| American Cities by Stadium | 0 | - | 4.02 | 36,555 |
| City by Football Clubs | 0 | - | 4.38 | 138,140 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,498 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,623 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,577 |
| Island Countries | 0 | - | 4.99 | 711,179 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,019 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,616 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,346 |
| Northernmost Countries | 0 | - | 4.99 | 362,142 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,293 |
| Countries of South America | 0 | - | 5.00 | 927,908 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,640 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,501 |
| "Land" Countries | 0 | - | 4.98 | 337,448 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,389 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,388 |
| Top World Languages | 0 | - | 4.92 | 824,838 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,543 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,604 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,791 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,116 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,002 |
| Countries with Megacities | 0 | - | 4.99 | 264,811 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,831 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,524 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,088 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,604 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,349 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,620 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,584 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,582 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,715 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,539 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,393 |
| Countries by Capital City | 0 | - | 5.00 | 68,686 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,405 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,844 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,267 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,439 |
| Moved Capital Cities | 0 | - | 4.96 | 74,376 |
| Countries by Official Language | 0 | - | 4.95 | 195,319 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,484 |
| Countries in their Native Language | 0 | - | 4.99 | 199,116 |
| Independence from Whom | 0 | - | 4.99 | 212,189 |
| Subdivisions by Country | 0 | - | 4.86 | 50,442 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,799 |
| Megadiverse Countries | 0 | - | 4.96 | 135,050 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,166 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,380 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,256 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,121 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,183 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,616 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,525 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,056 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,680 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,911 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,227 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,987 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,375 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,514 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,296 |
| World Map Quiz | 0 | - | 4.81 | 65,144 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,476 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,389 |
| Countries by Founding Story | 0 | - | 4.95 | 77,409 |
| Countries by Road Signs | 0 | - | 4.98 | 54,050 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,163 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,320 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,031 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,312 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,933 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,049 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,329 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,467 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,601 |
| Widest Countries East to West | 0 | - | 4.92 | 129,685 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,425 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,135 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,795 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,625 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,908 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,387 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,808 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,387 |
| Countries with Double Letters | 0 | - | 4.96 | 96,306 |
| Countries that End in N | 0 | - | 4.95 | 171,202 |
| Countries with Five Letters | 0 | - | 4.96 | 282,631 |
| Countries with Six Letters | 0 | - | 4.94 | 213,639 |
| Countries with W | 0 | - | 4.97 | 160,384 |
