| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,542 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,663 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 653,772 |
| North American Sports Cities | 0 | - | 4.83 | 172,626 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,385 |
| Olympic Host Countries | 0 | - | 4.98 | 201,084 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,634 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 234,418 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 252,854 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,471 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,402 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,602 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,689 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,504 |
| 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 | 465,081 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,656 |
| Boundary Waters | 0 | - | 4.92 | 88,568 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,248 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,264 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,599 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,414 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,737 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,580,232 |
| Landlocked Countries | 0 | - | 4.99 | 421,938 |
| 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 | 95,661 |
| 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 | 58,617 |
| 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 | 96,016 |
| 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 | 124,165 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,063 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,873 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,430 |
| Himalayan Countries | 0 | - | 4.94 | 138,706 |
| Andean Countries | 0 | - | 4.93 | 84,598 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,794 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,805 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,417 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,801 |
| Danube Countries | 0 | - | 4.97 | 72,003 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,010 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,420 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,299 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,775 |
| European Landlocked Countries | 0 | - | 4.99 | 147,140 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,636 |
| Countries with the Most Species | 0 | - | 4.99 | 103,243 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,757 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,591 |
| 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 | 73,225 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,658 |
| Countries in the Alps | 0 | - | 4.87 | 118,199 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,103 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,032 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,639 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,596 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,507 |
| 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 | 62,843 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,175 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,650 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,524 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,219 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,464 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,519 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,900 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,307 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,755 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,069 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,922 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,097 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,229 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,279 |
| Largest Countries By Category | 0 | - | 4.97 | 158,205 |
| Countries by Countries | 0 | - | 4.96 | 63,219 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,681 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,284 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,565 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,673 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,150 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,388 |
| 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 | 82,500 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,498 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,992 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,286 |
| Longest International Borders | 0 | - | 4.99 | 265,195 |
| Countries with Three Borders | 0 | - | 4.96 | 36,613 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,124 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,222 |
| Demonym of Every Country | 0 | - | 4.91 | 60,701 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,549 |
| American Cities by Stadium | 0 | - | 4.02 | 36,554 |
| City by Football Clubs | 0 | - | 4.38 | 138,102 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,390 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,490 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,216 |
| Island Countries | 0 | - | 4.99 | 711,038 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,974 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,612 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,821 |
| Northernmost Countries | 0 | - | 4.99 | 361,949 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,268 |
| Countries of South America | 0 | - | 5.00 | 927,291 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,783 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,172 |
| "Land" Countries | 0 | - | 4.98 | 337,326 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,008 |
| All Country Flags of the World | 0 | - | 5.00 | 3,678,653 |
| Top World Languages | 0 | - | 4.92 | 824,185 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,448 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,551 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,118 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,962 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,880 |
| Countries with Megacities | 0 | - | 4.99 | 264,533 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,735 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,465 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,991 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,536 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,795 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,454 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,520 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,537 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,664 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,471 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,284 |
| Countries by Capital City | 0 | - | 5.00 | 68,610 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,359 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,799 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,075 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,394 |
| Moved Capital Cities | 0 | - | 4.96 | 74,332 |
| Countries by Official Language | 0 | - | 4.95 | 195,239 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,366 |
| Countries in their Native Language | 0 | - | 4.99 | 199,036 |
| Independence from Whom | 0 | - | 4.99 | 212,085 |
| Subdivisions by Country | 0 | - | 4.86 | 50,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,720 |
| Megadiverse Countries | 0 | - | 4.96 | 135,007 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,080 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,346 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,233 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,099 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,134 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,595 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,463 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,030 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,654 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,145 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,878 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,200 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,962 |
| 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 | 111,174 |
| World Map Quiz | 0 | - | 4.81 | 65,080 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,271 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,345 |
| 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 | 228,088 |
| 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 | 202,181 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,884 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,005 |
| 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 | 120,569 |
| Widest Countries East to West | 0 | - | 4.92 | 129,640 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,456 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,372 |
| 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 | 127,868 |
| 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 | 96,227 |
| Countries that End in N | 0 | - | 4.95 | 171,106 |
| Countries with Five Letters | 0 | - | 4.96 | 282,432 |
| Countries with Six Letters | 0 | - | 4.94 | 213,537 |
