| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,121,623 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,397 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,469 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,166,009 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,649 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,691 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,799 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,650 |
| Biggest Lakes in the World | 0 | - | 4.52 | 69,814 |
| Island Countries Quiz | 0 | - | 4.99 | 576,347 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,860 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,937 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,613 |
| Cities on a Map of the Great Lakes | 0 | - | 4.38 | 37,081 |
| Countries That Border Russia | 0 | - | 4.98 | 367,615 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 72,171 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,250 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,334 |
| Biggest City by River | 0 | - | 4.38 | 48,320 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,737 |
| One Border Countries | 0 | - | 4.98 | 358,530 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,464,932 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,249,430 |
| Countries that Start with A | 0 | - | 4.96 | 1,627,502 |
| Countries that Start with B | 0 | - | 4.94 | 1,765,033 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,598 |
| Countries that Start with D | 0 | - | 4.96 | 462,858 |
| Countries that Start with E | 0 | - | 4.93 | 1,031,387 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,697 |
| Countries that Start with H | 0 | - | 4.92 | 389,980 |
| Countries that Start with I | 0 | - | 4.90 | 975,593 |
| Countries that Start with J | 0 | - | 4.96 | 393,274 |
| Countries that Start with K | 0 | - | 4.95 | 571,119 |
| Countries that Start with L | 0 | - | 4.98 | 812,395 |
| Countries that Start with N | 0 | - | 4.90 | 833,684 |
| Countries that Start with P | 0 | - | 4.94 | 921,369 |
| Countries that Start with R | 0 | - | 4.41 | 299,376 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,935 |
| Countries that Start with T | 0 | - | 4.89 | 758,110 |
| Countries that Start with U | 0 | - | 4.97 | 684,008 |
| Countries that Start with V | 0 | - | 4.97 | 455,678 |
| Countries that Start with F | 0 | - | 4.76 | 423,335 |
| Countries that Start with M | 0 | - | 4.95 | 1,059,213 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 241,254 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,028 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,826 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,732 |
| Countries with Four Letters | 0 | - | 4.99 | 320,836 |
| Countries of Africa | 0 | - | 5.00 | 1,731,361 |
| Countries of South America | 0 | - | 5.00 | 622,149 |
| Countries of North America Quiz | 0 | - | 5.00 | 705,449 |
| Countries of Oceania | 0 | - | 5.00 | 711,648 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,835 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 93,168 |
| Countries Bordering France | 0 | - | 4.90 | 308,840 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,258 |
| Landforms by Country Quiz | 0 | - | 4.52 | 48,482 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,432 |
| Countries With No Rivers | 0 | - | 4.94 | 61,989 |
| Rivers by City Quiz | 0 | - | 4.38 | 20,494 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,495 |
| Famous Rivers | 0 | - | 4.56 | 82,589 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,831 |
| Famous Lakes Quiz | 0 | - | 4.41 | 20,853 |
| Lakes in the United States Quiz | 0 | - | 4.20 | 12,630 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,458 |
| Countries with the Shortest Coastlines | 0 | - | 4.90 | 48,812 |
| Rivers on Borders | 0 | - | 4.15 | 20,894 |
| Answers Contain Sea | 0 | - | 3.79 | 25,649 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,916 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,231 |
| City to River #1 | 0 | - | 4.46 | 22,789 |
| African Great Lakes | 0 | - | 4.56 | 35,777 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,811 |
| World's Longest Rivers | 0 | - | 4.86 | 86,766 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,910 |
| Natural Features of Countries #2 | 0 | - | 4.64 | 31,289 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,343 |
| Countries with the Most Sheep | 0 | - | 4.84 | 75,230 |
| Megadiverse Countries | 0 | - | 4.95 | 117,097 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,828 |
| Rivers A-Z | 0 | - | 4.26 | 29,268 |
| City to River #2 - Difficult | 0 | - | 4.43 | 12,431 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,301 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.59 | 13,510 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,498 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 95,118 |
| Black Sea Countries | 0 | - | 4.90 | 52,073 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,134 |
| Most Expensive Countries | 0 | - | 4.05 | 104,662 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,599 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,824 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,588 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,198 |
| Countries Closest to the Aegean Sea | 0 | - | 4.52 | 51,346 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,911 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,342 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,331 |
| Seas of Europe | 0 | - | 4.24 | 73,819 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,765 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,373 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,163 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,076 |
| Most Populous River Basins | 0 | - | 4.64 | 34,411 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,603 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,322 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,322,075 |
| African Physical Geography | 0 | - | 4.54 | 27,114 |
| Asian Physical Geography | 0 | - | 4.49 | 30,722 |
| South American Physical Geography | 0 | - | 4.51 | 15,083 |
| Caspian Sea Countries | 0 | - | 4.91 | 44,573 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,036 |
| North Sea Countries | 0 | - | 4.90 | 72,185 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.39 | 44,321 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 64,989 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,538 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,418 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,272 |
| Widest Countries East to West | 0 | - | 4.90 | 109,270 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,318 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,906 |
| Countries by Net Migration | 0 | - | 4.57 | 57,999 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,793 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,009 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,511 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,168 |
| 10 Longest Rivers in the United States | 0 | - | 4.78 | 30,753 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 996,067 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,147 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,159 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,664 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 59,453 |
| Countries That Touch the Red Sea | 0 | - | 4.89 | 56,194 |
| Great Lakes Quiz | 0 | - | 4.71 | 40,395 |
| Seas that Touch the Most Countries | 0 | - | 4.56 | 81,819 |
| South China Sea Countries | 0 | - | 4.89 | 48,944 |
| Every Country Shape | 0 | - | 4.99 | 312,950 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,875,092 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,651 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 78,673 |
| Top 10 American Countries by Coastline | 0 | - | 4.94 | 64,864 |
| Top 10 European Countries by Coastline | 0 | - | 4.84 | 114,574 |
| Top 10 African Countries by Coastline | 0 | - | 4.30 | 41,966 |
| Largest Rivers by Discharge | 0 | - | 4.49 | 13,090 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 31,713 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,643,335 |
| Longest Rivers in the UK | 0 | - | 4.36 | 11,856 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 35,919 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.50 | 25,690 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,506 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,967 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,603 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,919 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,926 |
| Coldest Countries | 0 | - | 4.97 | 100,320 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,624 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,523 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,550 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 66,821 |
| Seas on the World Map | 0 | - | 4.98 | 105,559 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,913 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,012 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,316 |
| Gulfs and Bays on the World Map | 0 | - | 4.46 | 22,809 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,399 |
| Rivers that Flow through the Most Countries | 0 | - | 4.47 | 33,631 |
| Top 15 Countries with the Most Cows | 0 | - | 4.78 | 82,653 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,128 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,967 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,454 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,168 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,420 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,800 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,238 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,328 |
| Countries by Milk Production | 0 | - | 4.49 | 17,923 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,172 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,360 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.64 | 30,439 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 50,097 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 48,864 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,174 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.98 | 51,025 |
| Rivers of Europe Quiz | 0 | - | 4.87 | 39,460 |
| Rivers of The United States Quiz | 0 | - | 4.87 | 40,724 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,864 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,550 |
| Bodies of Water by Cities | 0 | - | 4.77 | 23,616 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,126 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.16 | 52,781 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.14 | 16,245 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,270 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,141 |
| Countries with Fjords | 0 | - | 4.94 | 71,360 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,479 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,376 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,384 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 59,640 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,401 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,609 |
