| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,092,005 |
| Biggest Cities in the United States | 0 | - | 4.93 | 706,578 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,406 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 734,875 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,305 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,820 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,764 |
| World Capitals Quiz | 0 | - | 5.00 | 3,912,494 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,179,144 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,866 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,360 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,205 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,642 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,756 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,580 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,960 |
| Island Countries Quiz | 0 | - | 4.99 | 576,053 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,759 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,876 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,169 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,434 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,346 |
| Countries That Border Russia | 0 | - | 4.98 | 367,414 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,271 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,108 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,281 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,446 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,253 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,611 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,979 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,195 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,611 |
| Resort Towns by Country Quiz | 0 | - | 4.30 | 36,788 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,682 |
| Africa Capitals Quiz | 0 | - | 4.99 | 526,677 |
| One Border Countries | 0 | - | 4.98 | 358,289 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,256 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,515 |
| EU Countries Quiz | 0 | - | 4.99 | 206,688 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,461,666 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,248,025 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,296 |
| Countries that Start with B | 0 | - | 4.94 | 1,763,781 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,601 |
| Countries that Start with D | 0 | - | 4.96 | 462,341 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,615 |
| Countries that Start with G | 0 | - | 4.95 | 1,127,899 |
| Countries that Start with H | 0 | - | 4.92 | 389,528 |
| Countries that Start with I | 0 | - | 4.90 | 974,907 |
| Countries that Start with J | 0 | - | 4.96 | 392,805 |
| Countries that Start with K | 0 | - | 4.95 | 570,536 |
| Countries that Start with L | 0 | - | 4.98 | 811,765 |
| Countries that Start with N | 0 | - | 4.90 | 833,034 |
| Countries that Start with P | 0 | - | 4.94 | 920,640 |
| Countries that Start with R | 0 | - | 4.41 | 298,989 |
| Countries that Start with S | 0 | - | 4.97 | 1,353,949 |
| Countries that Start with T | 0 | - | 4.89 | 757,481 |
| Countries that Start with U | 0 | - | 4.97 | 683,428 |
| Countries that Start with V | 0 | - | 4.97 | 455,293 |
| Countries that Start with F | 0 | - | 4.74 | 422,851 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,472 |
| Countries that Border China | 0 | - | 4.97 | 211,780 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.71 | 237,660 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,963 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,751 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,637 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,290 |
| Countries in World War I | 0 | - | 4.92 | 182,514 |
| Countries with Four Letters | 0 | - | 4.99 | 320,669 |
| Countries of Africa | 0 | - | 5.00 | 1,729,353 |
| Countries of South America | 0 | - | 5.00 | 621,360 |
| Countries of North America Quiz | 0 | - | 5.00 | 704,483 |
| Countries of Oceania | 0 | - | 5.00 | 710,825 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,791 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,982 |
| Countries Bordering France | 0 | - | 4.90 | 308,698 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,208 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,744 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,449 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,771 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,213 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,780 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,386 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,726 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,603 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,111 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,794 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,440 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,975 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,339 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,359 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,775 |
| Countries with Z | 0 | - | 4.99 | 222,785 |
| "Land" Countries | 0 | - | 4.98 | 264,455 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,387 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,366 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,148 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,372 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,778 |
| Official Cities in the UK | 0 | - | 4.89 | 196,994 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,844 |
| Random Capital to Country | 0 | - | 4.99 | 2,070,309 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,303 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,806 |
| Random Country to Capital | 0 | - | 4.98 | 693,333 |
| Coldest World Capitals | 0 | - | 4.97 | 105,173 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,257 |
| Europe Capital to Country | 0 | - | 4.99 | 198,756 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,448 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 87,463 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,089 |
| Most Expensive Countries | 0 | - | 4.05 | 104,650 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,578 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,303 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,775 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,309 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,088 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,080 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,861 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,762 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,309 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,299 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,741 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,950 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,555 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,728 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,293 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,318,847 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,023 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,942 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,480 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,509 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,354 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,774 |
| Countries with the Longest Perimeter | 0 | - | 4.83 | 64,956 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,462 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,229 |
| Widest Countries East to West | 0 | - | 4.90 | 109,220 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,287 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,877 |
| Countries by Net Migration | 0 | - | 4.57 | 57,923 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,755 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,989 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,476 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,109 |
| World Capitals by Map | 0 | - | 5.00 | 189,705 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,486 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,110 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,125 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,636 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,279 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,825 |
| Every Country Shape | 0 | - | 4.99 | 312,626 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,872,972 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,987 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,222 |
| Countries with Megacities | 0 | - | 4.99 | 174,977 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,985 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,839 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,909 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,641,336 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,169 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,276 |
| Megacities on a World Map | 0 | - | 4.97 | 199,089 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 169,280 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,475 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,887 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,549 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,729 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,859 |
| Coldest Countries | 0 | - | 4.97 | 99,853 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,587 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,454 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,532 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,862 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,994 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,268 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 303,864 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,349 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,194 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,837 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,687 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,090 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,872 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,155 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,601 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,108 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,921 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,408 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,147 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,779 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,221 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,287 |
| Countries by Milk Production | 0 | - | 4.49 | 17,894 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 61,746 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,324 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,307 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,178 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,097 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,287 |
