| Countries by Sports League Revenue | 0 | - | 4.94 | 76,156 |
| North American Sports Cities | 0 | - | 4.83 | 171,375 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,034 |
| Olympic Host Countries | 0 | - | 4.98 | 199,475 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,900 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.40 | 106,122 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,924 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,898 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,644 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,197 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,973 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,584 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,815 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,954 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,276 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,846 |
| Boundary Waters | 0 | - | 4.92 | 88,227 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,966 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,650 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,671 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,896 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,161,023 |
| Landlocked Countries | 0 | - | 4.99 | 416,619 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,656 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,563 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,894 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,065 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,148 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,353 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,694 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,366 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,341 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,279 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,531 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,015 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,354 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,357 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,075 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,909 |
| Himalayan Countries | 0 | - | 4.95 | 136,488 |
| Andean Countries | 0 | - | 4.95 | 83,482 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,745 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,989 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,417 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,021 |
| Danube Countries | 0 | - | 4.97 | 71,426 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,209 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,846 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,148 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,110 |
| European Landlocked Countries | 0 | - | 4.99 | 146,128 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,756 |
| Countries with the Most Species | 0 | - | 4.99 | 101,462 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,894 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,508 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,157 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,808 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,187 |
| Countries in the Alps | 0 | - | 4.86 | 117,317 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,898 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,885 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,251 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,739 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,814 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,251 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,981 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,992 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,802 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,356 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,327 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,998 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,361 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,724 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,991 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,001 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,707 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,889 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,243 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,992 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,562 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,825 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,932 |
| Largest Countries By Category | 0 | - | 4.97 | 157,251 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,868 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,079 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,081 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,492 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,418 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,059 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,634 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,158 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,926 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,238 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,842 |
| Longest International Borders | 0 | - | 4.99 | 264,297 |
| Countries with Three Borders | 0 | - | 4.96 | 36,344 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,777 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,871 |
| Demonym of Every Country | 0 | - | 4.91 | 58,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,823 |
| American Cities by Stadium | 0 | - | 4.02 | 36,506 |
| City by Football Clubs | 0 | - | 4.38 | 137,267 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,757 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,819 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,759 |
| Island Countries | 0 | - | 4.99 | 708,800 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,256 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,383 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,300 |
| Northernmost Countries | 0 | - | 4.99 | 359,362 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,927 |
| Countries of South America | 0 | - | 5.00 | 919,655 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,611 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,664 |
| "Land" Countries | 0 | - | 4.98 | 334,592 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,774 |
| All Country Flags of the World | 0 | - | 5.00 | 3,629,784 |
| Top World Languages | 0 | - | 4.92 | 817,269 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,262 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,856 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,891 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,832 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,266 |
| Countries with Megacities | 0 | - | 4.99 | 248,919 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,116 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,540 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,478 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,494 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,980 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,458 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,585 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,048 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,048 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,308 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,162 |
| Countries by Capital City | 0 | - | 5.00 | 67,466 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,738 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,241 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,704 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,698 |
| Moved Capital Cities | 0 | - | 4.96 | 73,880 |
| Countries by Official Language | 0 | - | 4.95 | 194,001 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,527 |
| Countries in their Native Language | 0 | - | 4.99 | 197,627 |
| Independence from Whom | 0 | - | 4.99 | 210,800 |
| Subdivisions by Country | 0 | - | 4.86 | 50,196 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,321 |
| Megadiverse Countries | 0 | - | 4.96 | 134,535 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,821 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,073 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,625 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,437 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,210 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,574 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,544 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,368 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,805 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,683 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,640 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,857 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,199 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,553 |
| World Map Quiz | 0 | - | 4.81 | 64,078 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,365 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,690 |
| Countries by Founding Story | 0 | - | 4.95 | 76,866 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,056 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,665 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,394 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,697 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,265 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,458 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,621 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,145 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,636 |
| Widest Countries East to West | 0 | - | 4.92 | 129,136 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,329 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,639 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,914 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,955 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,976 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,351 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,090 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,670 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,322 |
| Countries with Double Letters | 0 | - | 4.96 | 94,110 |
| Countries that End in N | 0 | - | 4.95 | 165,387 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,544 |
| Countries with Six Letters | 0 | - | 4.93 | 211,122 |
| Countries with W | 0 | - | 4.97 | 158,791 |
| Countries with Z | 0 | - | 4.98 | 288,738 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,017 |
