| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 39,791,665 |
| Country Shape Quiz #1 | 0 | - | 4.88 | 821,848 |
| Country Shape Quiz #2 | 0 | - | 4.93 | 371,567 |
| Country Shape Quiz #3 | 0 | - | 4.90 | 263,498 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 194,235 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,289,026 |
| Biggest Countries by Area | 0 | - | 4.99 | 913,342 |
| Countries with the Highest Life Expectancy | 0 | - | 4.85 | 193,841 |
| Countries with the Highest Obesity Rate | 0 | - | 4.38 | 175,829 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 160,441 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,545 |
| Island Countries Quiz | 0 | - | 4.99 | 631,444 |
| Northernmost Countries | 0 | - | 4.98 | 322,388 |
| Southernmost Countries of the World | 0 | - | 4.99 | 193,740 |
| Majority Muslim Countries | 0 | - | 4.97 | 309,360 |
| Countries with the Most Borders | 0 | - | 4.96 | 344,659 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 385,960 |
| Countries That Border Russia | 0 | - | 4.98 | 419,982 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,084 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 276,237 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 310,453 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 219,525 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,026 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 346,426 |
| One Border Countries | 0 | - | 4.97 | 402,545 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,611 |
| EU Countries Quiz | 0 | - | 4.99 | 223,457 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,043,211 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,517,148 |
| Countries that Start with A | 0 | - | 4.96 | 1,902,944 |
| Countries that Start with B | 0 | - | 4.93 | 2,041,731 |
| Countries that Start with C | 0 | - | 4.94 | 1,612,545 |
| Countries that Start with D | 0 | - | 4.94 | 571,743 |
| Countries that Start with E | 0 | - | 4.92 | 1,205,005 |
| Countries that Start with G | 0 | - | 4.95 | 1,324,088 |
| Countries that Start with H | 0 | - | 4.92 | 487,380 |
| Countries that Start with I | 0 | - | 4.90 | 1,137,551 |
| Countries that Start with J | 0 | - | 4.97 | 491,419 |
| Countries that Start with K | 0 | - | 4.94 | 692,554 |
| Countries that Start with L | 0 | - | 4.98 | 949,599 |
| Countries that Start with N | 0 | - | 4.89 | 976,146 |
| Countries that Start with P | 0 | - | 4.89 | 1,079,323 |
| Countries that Start with R | 0 | - | 4.40 | 376,273 |
| Countries that Start with S | 0 | - | 4.97 | 1,576,034 |
| Countries that Start with T | 0 | - | 4.80 | 890,619 |
| Countries that Start with U | 0 | - | 4.96 | 803,971 |
| Countries that Start with V | 0 | - | 4.97 | 539,562 |
| Countries that Start with F | 0 | - | 4.69 | 522,742 |
| Countries that Start with M | 0 | - | 4.94 | 1,230,561 |
| Countries that Border China | 0 | - | 4.96 | 229,999 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.51 | 266,791 |
| Top Crude Oil Producing Countries | 0 | - | 4.80 | 154,266 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 177,445 |
| Countries by Alcohol Consumption | 0 | - | 4.41 | 191,190 |
| Countries in World War I | 0 | - | 4.91 | 206,139 |
| Countries with Four Letters | 0 | - | 4.99 | 372,724 |
| Countries of Africa | 0 | - | 5.00 | 2,102,126 |
| Countries of South America | 0 | - | 5.00 | 769,450 |
| Countries of North America Quiz | 0 | - | 5.00 | 853,930 |
| Countries of Oceania | 0 | - | 5.00 | 862,742 |
| Countries with the Most Exports | 0 | - | 4.97 | 120,667 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 221,731 |
| Countries Bordering France | 0 | - | 4.83 | 352,304 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 213,922 |
| Countries Bordering Germany | 0 | - | 4.99 | 336,346 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 283,942 |
| Countries by Clue #1 | 0 | - | 4.86 | 215,337 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,177 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 137,965 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.43 | 154,398 |
| Countries with Z | 0 | - | 4.98 | 239,697 |
| "Land" Countries | 0 | - | 4.98 | 285,722 |
| Largest Economies in 2050 | 0 | - | 4.90 | 97,397 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 235,085 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,100 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 280,761 |
| Countries by Oil Consumption | 0 | - | 4.96 | 109,908 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,132 |
| Countries by Airline Passengers | 0 | - | 4.94 | 48,415 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 88,751 |
| Most Populous Countries in 1950 | 0 | - | 4.44 | 70,186 |
| Top Olive Oil Producing Countries | 0 | - | 4.92 | 74,586 |
| Top 10 Diamond Producing Countries | 0 | - | 4.43 | 31,415 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,636 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 99,605 |
| Most Expensive Countries | 0 | - | 4.03 | 109,323 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 34,935 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 203,840 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 80,178 |
| Countries With the Most Languages | 0 | - | 4.90 | 168,936 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,164 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 79,702 |
| Countries Closest to Spain | 0 | - | 4.95 | 202,069 |
| Countries with the Most Muslims | 0 | - | 4.91 | 129,488 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,768 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 69,849 |
| Countries Producing the Most Oranges | 0 | - | 4.74 | 43,324 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 378,207 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,152 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 211,504 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,256 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,942,276 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,579 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,384 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,894 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,085 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,049 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,387 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,402 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,461 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,638 |
| Countries with the Longest Perimeter | 0 | - | 4.79 | 70,729 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,265 |
| Tallest Countries North to South | 0 | - | 4.79 | 109,108 |
| Widest Countries East to West | 0 | - | 4.91 | 117,603 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.85 | 70,367 |
| Countries with the Most Nobel Prizes | 0 | - | 4.85 | 82,121 |
| Countries by Net Migration | 0 | - | 4.51 | 63,085 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,443 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.62 | 51,374 |
| Countries with the Most Murders | 0 | - | 4.48 | 111,454 |
| Countries with the Most Millionaires | 0 | - | 4.80 | 80,867 |
| Countries Bordering "U" Countries | 0 | - | 4.80 | 19,136 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 1,154,267 |
| Countries with the Least Precipitation | 0 | - | 4.88 | 67,072 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 48,958 |
| Poorest Countries with Exceptions | 0 | - | 4.48 | 96,088 |
| World Map without 12 Countries | 0 | - | 4.97 | 311,565 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.62 | 91,651 |
| Every Country Shape | 0 | - | 5.00 | 370,053 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,305,662 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,612 |
| Countries with Megacities | 0 | - | 4.99 | 191,475 |
| Countries of Europe by Population | 0 | - | 4.98 | 121,997 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 194,669 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 195,987 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,063 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,730 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,345 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,996,365 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.89 | 252,978 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,624 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,685 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 83,915 |
| One Country By Letter By Continent | 0 | - | 5.00 | 67,717 |
| Most Populous Countries in 1800 | 0 | - | 4.31 | 37,845 |
| Most Populous Countries by Year | 0 | - | 4.70 | 91,290 |
| Coldest Countries | 0 | - | 4.98 | 122,145 |
| Countries with the Highest Murder Rate | 0 | - | 4.62 | 71,528 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,165 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.68 | 56,762 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,746 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 132,715 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.50 | 44,444 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,702 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 70,764 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,393 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 209,444 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,481 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 203,546 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 224,322 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.83 | 16,618 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.88 | 59,431 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,002 |
| Most Fragile Countries not in Africa | 0 | - | 4.42 | 57,144 |
| Countries by Wealth per Capita | 0 | - | 4.50 | 56,534 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.90 | 47,504 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 99,871 |
| Countries by Milk Production | 0 | - | 4.57 | 34,939 |
| Countries with the Most Total Precipitation | 0 | - | 4.80 | 61,423 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,009 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,497 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 105,383 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.46 | 76,249 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 116,815 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,010 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.75 | 67,675 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,054 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,900 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 107,904 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 31,871 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 137,249 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 143,394 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.80 | 74,641 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 100,921 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 94,414 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,471 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,424 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 72,930 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 72,974 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 49,874 |
| Countries by Emojis | 0 | - | 4.99 | 199,435 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 290,921 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 39,079 |
| Random Flag to Country | 0 | - | 4.99 | 491,751 |
| Countries with the Lowest Murder Rate | 0 | - | 4.61 | 68,039 |
| Name a Valid Country #1 | 0 | - | 4.99 | 219,261 |
| Worst Plastic Polluting Countries | 0 | - | 4.60 | 58,842 |
| Name a Valid Country #3 | 0 | - | 4.98 | 202,941 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.61 | 65,416 |
