| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,953 |
| NHL Hockey Cities Map Quiz | 0 | - | 4.40 | 105,708 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,743 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 645,159 |
| North American Sports Cities | 0 | - | 4.83 | 171,033 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,954 |
| Olympic Host Countries | 0 | - | 4.98 | 199,046 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,300 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,223 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,329 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,187 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,908 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,758 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,282 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,592 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,866 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 231,593 |
| Boundary Waters | 0 | - | 4.92 | 88,085 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,854 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,396 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,364 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,590 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,987,769 |
| Landlocked Countries | 0 | - | 4.99 | 414,438 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,584 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,371 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,699 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,898 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,080 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,066 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,490 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,222 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,966 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,197 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,935 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,082 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,081 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,733 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,933 |
| Himalayan Countries | 0 | - | 4.95 | 135,644 |
| Andean Countries | 0 | - | 4.94 | 82,994 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,397 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,045 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,719 |
| Danube Countries | 0 | - | 4.97 | 71,161 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,877 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,623 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,664 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,565 |
| European Landlocked Countries | 0 | - | 4.99 | 145,864 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,334 |
| Countries with the Most Species | 0 | - | 4.99 | 95,290 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,484 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,229 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,397 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,647 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,011 |
| Countries in the Alps | 0 | - | 4.86 | 116,958 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,662 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,426 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,083 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,493 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,271 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,076 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,675 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,827 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,133 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,563 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,227 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,091 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,814 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,247 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,724 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,303 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,880 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,747 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,940 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,789 |
| Largest Countries By Category | 0 | - | 4.97 | 156,891 |
| Countries by Countries | 0 | - | 4.96 | 62,341 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,530 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,995 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,844 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,496 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,795 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,518 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,940 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,612 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,259 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,657 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,688 |
| Longest International Borders | 0 | - | 4.99 | 263,952 |
| Countries with Three Borders | 0 | - | 4.96 | 36,243 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,642 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,736 |
| Demonym of Every Country | 0 | - | 4.91 | 58,725 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,971 |
| American Cities by Stadium | 0 | - | 4.02 | 36,494 |
| City by Football Clubs | 0 | - | 4.38 | 137,106 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,921 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,425 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,246 |
| Island Countries | 0 | - | 4.99 | 707,938 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,015 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,656 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,582 |
| Northernmost Countries | 0 | - | 4.99 | 358,170 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,783 |
| Countries of South America | 0 | - | 5.00 | 916,183 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,331 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,262 |
| "Land" Countries | 0 | - | 4.98 | 333,876 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,229 |
| All Country Flags of the World | 0 | - | 5.00 | 3,610,019 |
| Top World Languages | 0 | - | 4.92 | 814,217 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,191 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,612 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,456 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,993 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,647 |
| Countries with Megacities | 0 | - | 4.99 | 247,618 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,496 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,214 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,897 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,142 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,514 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,986 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,139 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,771 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,726 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,826 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,655 |
| Countries by Capital City | 0 | - | 5.00 | 66,857 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,444 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,002 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,795 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,491 |
| Moved Capital Cities | 0 | - | 4.96 | 73,677 |
| Countries by Official Language | 0 | - | 4.95 | 192,950 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,377 |
| Countries in their Native Language | 0 | - | 4.99 | 196,802 |
| Independence from Whom | 0 | - | 4.99 | 209,910 |
| Subdivisions by Country | 0 | - | 4.86 | 50,104 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,901 |
| Megadiverse Countries | 0 | - | 4.97 | 133,967 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,961 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,957 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,769 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,057 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,192 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,222 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,254 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,458 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,557 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,541 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,732 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,065 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,827 |
| World Map Quiz | 0 | - | 4.81 | 63,660 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,155 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,416 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,567 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,357 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,081 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,030 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,998 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,183 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,387 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,009 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,433 |
| Widest Countries East to West | 0 | - | 4.92 | 128,936 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,253 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,340 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,606 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,759 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,704 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,136 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,204 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,619 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,286 |
| Countries with Double Letters | 0 | - | 4.96 | 93,554 |
| Countries that End in N | 0 | - | 4.94 | 157,036 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,860 |
| Countries with Six Letters | 0 | - | 4.93 | 210,531 |
| Countries with W | 0 | - | 4.97 | 158,334 |
| Countries with Z | 0 | - | 4.98 | 288,062 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,654 |
| Countries That End in U | 0 | - | 4.95 | 119,580 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,736 |
| Countries that End in O | 0 | - | 4.92 | 158,612 |
