| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,329 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.40 | 107,778 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,556 |
| NHL Hockey Teams Quiz | 0 | - | 4.91 | 657,571 |
| North American Sports Cities | 0 | - | 4.82 | 173,171 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,560 |
| Olympic Host Countries | 0 | - | 4.98 | 201,979 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,009 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,902 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,508 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,179 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,181 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,250 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,130 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,965 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,712 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 235,390 |
| Boundary Waters | 0 | - | 4.92 | 88,770 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,419 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,712 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,974 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,861 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,435 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,886,845 |
| Landlocked Countries | 0 | - | 4.99 | 425,976 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,075 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,372 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,990 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,820 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,529 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,413 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,650 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,932 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,409 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,000 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,017 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,746 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,717 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,657 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,060 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,336 |
| Himalayan Countries | 0 | - | 4.93 | 140,292 |
| Andean Countries | 0 | - | 4.94 | 85,492 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,636 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,038 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,210 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,455 |
| Danube Countries | 0 | - | 4.97 | 72,410 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,607 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,852 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,150 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,635 |
| European Landlocked Countries | 0 | - | 4.99 | 147,618 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,318 |
| Countries with the Most Species | 0 | - | 4.99 | 103,573 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,429 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,781 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,889 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,848 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,587 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,026 |
| Countries in the Alps | 0 | - | 4.87 | 118,790 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,660 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,887 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,971 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,036 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,971 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,270 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,419 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,873 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,431 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,189 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,861 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,752 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,567 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,810 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,901 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,874 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,625 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,413 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,682 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,763 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,181 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,515 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,502 |
| Largest Countries By Category | 0 | - | 4.97 | 158,881 |
| Countries by Countries | 0 | - | 4.96 | 63,653 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,281 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,403 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,674 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,113 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,560 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,046 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,461 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,953 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,807 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,618 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,122 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,578 |
| Longest International Borders | 0 | - | 4.99 | 265,824 |
| Countries with Three Borders | 0 | - | 4.96 | 36,778 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,355 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,497 |
| Demonym of Every Country | 0 | - | 4.90 | 61,491 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,501 |
| American Cities by Stadium | 0 | - | 4.02 | 36,593 |
| City by Football Clubs | 0 | - | 4.38 | 138,414 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,744 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,716 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,751 |
| Island Countries | 0 | - | 4.99 | 712,602 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,567 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,953 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,859 |
| Northernmost Countries | 0 | - | 4.99 | 364,065 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,580 |
| Countries of South America | 0 | - | 5.00 | 932,826 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,537 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,602 |
| "Land" Countries | 0 | - | 4.98 | 338,415 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,544 |
| All Country Flags of the World | 0 | - | 5.00 | 3,714,697 |
| Top World Languages | 0 | - | 4.92 | 829,892 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,734 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,996 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,282 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,533 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,190 |
| Countries with Megacities | 0 | - | 4.99 | 267,174 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,873 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,151 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,186 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,256 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,673 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,319 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,369 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,980 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,215 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,239 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,159 |
| Countries by Capital City | 0 | - | 5.00 | 69,409 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,862 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,240 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,909 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,820 |
| Moved Capital Cities | 0 | - | 4.96 | 74,657 |
| Countries by Official Language | 0 | - | 4.95 | 196,017 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,661 |
| Countries in their Native Language | 0 | - | 4.99 | 199,752 |
| Independence from Whom | 0 | - | 4.99 | 213,092 |
| Subdivisions by Country | 0 | - | 4.87 | 50,620 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,458 |
| Megadiverse Countries | 0 | - | 4.96 | 135,285 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,959 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,546 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,690 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,241 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,859 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,126 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,572 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,067 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,259 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,384 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,449 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,152 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,588 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,874 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,391 |
| World Map Quiz | 0 | - | 4.81 | 65,748 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,316 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,719 |
| Countries by Founding Story | 0 | - | 4.95 | 77,807 |
| Countries by Road Signs | 0 | - | 4.98 | 54,355 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,279 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,098 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,571 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,606 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,445 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,547 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,743 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,701 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,744 |
| Widest Countries East to West | 0 | - | 4.92 | 130,468 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,601 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,273 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,522 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,070 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,989 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,494 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,504 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,893 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,444 |
| Countries with Double Letters | 0 | - | 4.96 | 97,101 |
| Countries that End in N | 0 | - | 4.95 | 171,975 |
| Countries with Five Letters | 0 | - | 4.96 | 283,805 |
| Countries with Six Letters | 0 | - | 4.94 | 214,507 |
| Countries with W | 0 | - | 4.96 | 160,968 |
