| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,543 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,665 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 653,775 |
| North American Sports Cities | 0 | - | 4.83 | 172,627 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,385 |
| Olympic Host Countries | 0 | - | 4.98 | 201,087 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,644 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 234,419 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,856 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,474 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,405 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,603 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,690 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,509 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,541 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,484 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,087 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,665 |
| Boundary Waters | 0 | - | 4.92 | 88,571 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,249 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,266 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,601 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,414 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,742 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,581,015 |
| Landlocked Countries | 0 | - | 4.99 | 421,948 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,878 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,082 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,663 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,537 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,396 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,619 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,323 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,706 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,019 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,412 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,420 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,515 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,167 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,122 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,874 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,438 |
| Himalayan Countries | 0 | - | 4.94 | 138,711 |
| Andean Countries | 0 | - | 4.93 | 84,600 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,795 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,812 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,420 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,802 |
| Danube Countries | 0 | - | 4.97 | 72,005 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,013 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,420 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,300 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,778 |
| European Landlocked Countries | 0 | - | 4.99 | 147,141 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,639 |
| Countries with the Most Species | 0 | - | 4.99 | 103,244 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,758 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,592 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,721 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,541 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,226 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,659 |
| Countries in the Alps | 0 | - | 4.87 | 118,199 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,114 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,034 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,641 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,596 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,508 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,487 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,176 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,846 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,175 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,652 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,525 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,220 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,465 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,520 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,902 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,307 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,764 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,072 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,930 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,100 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,231 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,279 |
| Largest Countries By Category | 0 | - | 4.97 | 158,207 |
| Countries by Countries | 0 | - | 4.96 | 63,220 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,681 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,285 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,565 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,674 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,151 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,520 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,708 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,859 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,706 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,501 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,498 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,995 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,287 |
| Longest International Borders | 0 | - | 4.99 | 265,200 |
| Countries with Three Borders | 0 | - | 4.96 | 36,614 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,129 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,223 |
| Demonym of Every Country | 0 | - | 4.91 | 60,702 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,554 |
| American Cities by Stadium | 0 | - | 4.02 | 36,554 |
| City by Football Clubs | 0 | - | 4.38 | 138,102 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,416 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,493 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,226 |
| Island Countries | 0 | - | 4.99 | 711,045 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,975 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,631 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,837 |
| Northernmost Countries | 0 | - | 4.99 | 361,954 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,269 |
| Countries of South America | 0 | - | 5.00 | 927,301 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,811 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,202 |
| "Land" Countries | 0 | - | 4.98 | 337,330 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,089 |
| All Country Flags of the World | 0 | - | 5.00 | 3,678,740 |
| Top World Languages | 0 | - | 4.92 | 824,200 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,448 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,552 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,134 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,965 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,881 |
| Countries with Megacities | 0 | - | 4.99 | 264,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,735 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,466 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,992 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,538 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,807 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,459 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,521 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,541 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,667 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,473 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,288 |
| Countries by Capital City | 0 | - | 5.00 | 68,610 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,361 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,799 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,080 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,396 |
| Moved Capital Cities | 0 | - | 4.96 | 74,332 |
| Countries by Official Language | 0 | - | 4.95 | 195,240 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,368 |
| Countries in their Native Language | 0 | - | 4.99 | 199,037 |
| Independence from Whom | 0 | - | 4.99 | 212,087 |
| Subdivisions by Country | 0 | - | 4.86 | 50,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,722 |
| Megadiverse Countries | 0 | - | 4.96 | 135,008 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,083 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,346 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,234 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,099 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,135 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,595 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,464 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,030 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,655 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,145 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,879 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,201 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,963 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,346 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,494 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,175 |
| World Map Quiz | 0 | - | 4.81 | 65,081 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,284 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,346 |
| Countries by Founding Story | 0 | - | 4.95 | 77,363 |
| Countries by Road Signs | 0 | - | 4.98 | 54,007 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,092 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,275 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,994 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,182 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,885 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,006 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,297 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,437 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,570 |
| Widest Countries East to West | 0 | - | 4.92 | 129,642 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,456 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,374 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,117 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,766 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,596 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,869 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,371 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,383 |
| Countries with Double Letters | 0 | - | 4.96 | 96,231 |
| Countries that End in N | 0 | - | 4.95 | 171,107 |
| Countries with Five Letters | 0 | - | 4.96 | 282,441 |
| Countries with Six Letters | 0 | - | 4.94 | 213,541 |
