| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,534 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,841 |
| NHL Hockey Teams Quiz | 0 | - | 4.91 | 658,742 |
| North American Sports Cities | 0 | - | 4.82 | 173,328 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,615 |
| Olympic Host Countries | 0 | - | 4.98 | 202,293 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,381 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 235,719 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 254,215 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,864 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,742 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,413 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,383 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,361 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,084 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,780 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,896 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,720 |
| Boundary Waters | 0 | - | 4.92 | 88,862 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,476 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,870 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,083 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,005 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,625 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,989,936 |
| Landlocked Countries | 0 | - | 4.99 | 427,500 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,149 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,474 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,085 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,895 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,573 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,726 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,768 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,002 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,537 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,204 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,223 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,827 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,841 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,576 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,413 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,027 |
| Himalayan Countries | 0 | - | 4.93 | 140,930 |
| Andean Countries | 0 | - | 4.94 | 85,857 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,964 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,569 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,508 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,725 |
| Danube Countries | 0 | - | 4.97 | 72,582 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,842 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,999 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,491 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,962 |
| European Landlocked Countries | 0 | - | 4.99 | 147,802 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,572 |
| Countries with the Most Species | 0 | - | 4.99 | 103,658 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,677 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,824 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,943 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,697 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,153 |
| Countries in the Alps | 0 | - | 4.87 | 119,013 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,065 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,206 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,078 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,202 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,167 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,409 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,627 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,017 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,525 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,335 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,084 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,967 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,843 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,692 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,943 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,045 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,197 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,756 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,648 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,868 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,458 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,572 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,631 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,586 |
| Largest Countries By Category | 0 | - | 4.97 | 159,133 |
| Countries by Countries | 0 | - | 4.97 | 63,829 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,488 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,452 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,265 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,699 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,235 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,607 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,031 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 70,022 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,909 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,662 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,476 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,684 |
| Longest International Borders | 0 | - | 4.99 | 266,039 |
| Countries with Three Borders | 0 | - | 4.96 | 36,846 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,439 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,587 |
| Demonym of Every Country | 0 | - | 4.90 | 61,668 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,849 |
| American Cities by Stadium | 0 | - | 4.02 | 36,602 |
| City by Football Clubs | 0 | - | 4.38 | 138,532 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,887 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,114 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,518 |
| Island Countries | 0 | - | 4.99 | 713,099 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,760 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,878 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,470 |
| Northernmost Countries | 0 | - | 4.99 | 364,725 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,662 |
| Countries of South America | 0 | - | 5.00 | 934,678 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,937 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,949 |
| "Land" Countries | 0 | - | 4.98 | 339,100 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,191 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,319 |
| All Country Flags of the World | 0 | - | 5.00 | 3,727,004 |
| Top World Languages | 0 | - | 4.92 | 831,656 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,786 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,167 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,475 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,082 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,584 |
| Countries with Megacities | 0 | - | 4.99 | 268,023 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,226 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,375 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,555 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,481 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,277 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,545 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,605 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,111 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,375 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,491 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,446 |
| Countries by Capital City | 0 | - | 5.00 | 69,685 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,205 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,378 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,551 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,993 |
| Moved Capital Cities | 0 | - | 4.96 | 74,748 |
| Countries by Official Language | 0 | - | 4.95 | 196,283 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,020 |
| Countries in their Native Language | 0 | - | 4.99 | 200,006 |
| Independence from Whom | 0 | - | 4.99 | 213,473 |
| Subdivisions by Country | 0 | - | 4.87 | 50,676 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,724 |
| Megadiverse Countries | 0 | - | 4.96 | 149,552 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,179 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,591 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,831 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,266 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,515 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,940 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,340 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,643 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,190 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,292 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,509 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,522 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,232 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,655 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,989 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,821 |
| World Map Quiz | 0 | - | 4.81 | 65,960 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,053 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,844 |
| Countries by Founding Story | 0 | - | 4.95 | 77,927 |
| Countries by Road Signs | 0 | - | 4.98 | 54,475 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,579 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,264 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,734 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,009 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,586 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,702 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,882 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,780 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,986 |
| Widest Countries East to West | 0 | - | 4.92 | 130,887 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,438 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,577 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,177 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,203 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,633 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,545 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,929 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,470 |
| Countries with Double Letters | 0 | - | 4.96 | 97,721 |
| Countries that End in N | 0 | - | 4.95 | 172,712 |
| Countries with Five Letters | 0 | - | 4.96 | 284,753 |
