| Countries by Sports League Revenue | 0 | - | 4.94 | 75,542 |
| North American Sports Cities | 0 | - | 4.83 | 170,882 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,912 |
| Olympic Host Countries | 0 | - | 4.98 | 198,873 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,433 |
| NCAA Football Teams | 0 | - | 4.95 | 382,865 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,095 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,990 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,774 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,822 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 231,247 |
| Boundary Waters | 0 | - | 4.92 | 88,032 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,267 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,211 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,908,583 |
| Landlocked Countries | 0 | - | 4.99 | 413,477 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,565 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,265 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,643 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,795 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,038 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,959 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,415 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,153 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,598 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,944 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,899 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,585 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,528 |
| Himalayan Countries | 0 | - | 4.95 | 135,308 |
| Andean Countries | 0 | - | 4.94 | 82,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,199 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,162 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,873 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,576 |
| Danube Countries | 0 | - | 4.97 | 71,066 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,743 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,524 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,440 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,366 |
| European Landlocked Countries | 0 | - | 4.99 | 145,737 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,181 |
| Countries with the Most Species | 0 | - | 4.99 | 95,235 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,319 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,365 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,950 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,566 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,941 |
| Countries in the Alps | 0 | - | 4.86 | 116,797 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,546 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,235 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,406 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,137 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,986 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,557 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,741 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,216 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,747 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,038 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,364 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,036 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,444 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,727 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,742 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,032 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,625 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,250 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,756 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,215 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,636 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,597 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,740 |
| Largest Countries By Category | 0 | - | 4.97 | 156,734 |
| Countries by Countries | 0 | - | 4.96 | 62,246 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,959 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,752 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,509 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,899 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,699 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,480 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,829 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,541 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,227 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,380 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,612 |
| Longest International Borders | 0 | - | 4.99 | 263,526 |
| Countries with Three Borders | 0 | - | 4.96 | 36,172 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,594 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,661 |
| Demonym of Every Country | 0 | - | 4.91 | 58,631 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,713 |
| American Cities by Stadium | 0 | - | 4.02 | 36,488 |
| City by Football Clubs | 0 | - | 4.37 | 137,013 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,761 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,070 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,776 |
| Island Countries | 0 | - | 4.99 | 707,565 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,900 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,940 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,299 |
| Northernmost Countries | 0 | - | 4.99 | 357,659 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,740 |
| Countries of South America | 0 | - | 5.00 | 914,468 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,180 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,899 |
| "Land" Countries | 0 | - | 4.98 | 333,611 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,820 |
| All Country Flags of the World | 0 | - | 5.00 | 3,601,007 |
| Top World Languages | 0 | - | 4.92 | 812,969 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,158 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,840 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,570 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,111 |
| Countries with Megacities | 0 | - | 4.99 | 246,757 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,038 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,918 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,461 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,810 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,212 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,740 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,926 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,641 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,591 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,600 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,416 |
| Countries by Capital City | 0 | - | 5.00 | 66,619 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,314 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,899 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,324 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,403 |
| Moved Capital Cities | 0 | - | 4.96 | 73,577 |
| Countries by Official Language | 0 | - | 4.95 | 192,743 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,086 |
| Countries in their Native Language | 0 | - | 4.99 | 196,609 |
| Independence from Whom | 0 | - | 4.99 | 209,650 |
| Subdivisions by Country | 0 | - | 4.86 | 50,061 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,723 |
| Megadiverse Countries | 0 | - | 4.97 | 133,888 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,774 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,915 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,422 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,854 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,636 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,988 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,908 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,133 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,209 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,738 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,406 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,483 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,491 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,659 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,014 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,543 |
| World Map Quiz | 0 | - | 4.81 | 63,482 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,314 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,324 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,975 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,935 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,704 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,841 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,049 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,264 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,936 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,327 |
| Widest Countries East to West | 0 | - | 4.92 | 128,595 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,193 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,680 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,620 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,029 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,049 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,576 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,275 |
| Countries with Double Letters | 0 | - | 4.97 | 93,363 |
| Countries that End in N | 0 | - | 4.94 | 156,661 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,659 |
| Countries with Six Letters | 0 | - | 4.93 | 210,323 |
| Countries with W | 0 | - | 4.97 | 158,208 |
| Countries with Z | 0 | - | 4.98 | 287,838 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,530 |
| Countries That End in U | 0 | - | 4.95 | 119,507 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,517 |
| Countries that End in O | 0 | - | 4.92 | 158,542 |
| Countries that End in R | 0 | - | 4.87 | 118,264 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,854 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,990 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,306 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,479 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,995 |
| Countries That End in Y | 0 | - | 4.90 | 185,194 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,347 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,663 |
| Countries that End in I | 0 | - | 4.94 | 134,402 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,169 |
