| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,221,149 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 737,035 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,992 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,132 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,221 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,552 |
| Island Countries Quiz | 0 | - | 4.99 | 577,318 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,481 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,732 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,169 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,944 |
| Countries That Border Russia | 0 | - | 4.98 | 368,402 |
| Communist Countries in History | 0 | - | 4.48 | 383,682 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,721 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,146 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,378 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,849 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,149 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,968 |
| One Border Countries | 0 | - | 4.98 | 359,398 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,476,294 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,254,376 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,506 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,933 |
| Countries that Start with A | 0 | - | 4.96 | 1,631,536 |
| Countries that Start with B | 0 | - | 4.94 | 1,769,102 |
| Countries that Start with C | 0 | - | 4.95 | 1,401,784 |
| Countries that Start with D | 0 | - | 4.96 | 464,458 |
| Countries that Start with E | 0 | - | 4.93 | 1,033,900 |
| Countries that Start with G | 0 | - | 4.95 | 1,131,449 |
| Countries that Start with H | 0 | - | 4.93 | 391,373 |
| Countries that Start with I | 0 | - | 4.90 | 977,774 |
| Countries that Start with J | 0 | - | 4.96 | 394,697 |
| Countries that Start with K | 0 | - | 4.94 | 572,935 |
| Countries that Start with L | 0 | - | 4.98 | 814,533 |
| Countries that Start with N | 0 | - | 4.90 | 835,718 |
| Countries that Start with P | 0 | - | 4.94 | 923,638 |
| Countries that Start with R | 0 | - | 4.42 | 300,475 |
| Countries that Start with S | 0 | - | 4.96 | 1,358,139 |
| Countries that Start with T | 0 | - | 4.89 | 759,950 |
| Countries that Start with U | 0 | - | 4.97 | 685,650 |
| Countries that Start with V | 0 | - | 4.97 | 456,817 |
| Countries that Start with F | 0 | - | 4.76 | 424,729 |
| Countries that Start with M | 0 | - | 4.95 | 1,061,687 |
| Countries in World War II | 0 | - | 4.48 | 681,268 |
| Countries in World War I | 0 | - | 4.91 | 183,040 |
| Countries with Four Letters | 0 | - | 4.99 | 321,402 |
| Countries of Africa | 0 | - | 5.00 | 1,737,862 |
| Countries of South America | 0 | - | 5.00 | 624,766 |
| Countries of North America Quiz | 0 | - | 5.00 | 708,156 |
| Countries of Oceania | 0 | - | 5.00 | 714,300 |
| Vietnam War Countries | 0 | - | 4.78 | 76,759 |
| Countries Bordering France | 0 | - | 4.90 | 309,486 |
| Countries Bordering Germany | 0 | - | 4.99 | 292,880 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,269 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,428 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,212 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,131 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,380 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,143 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,697 |
| Independence from Whom | 0 | - | 4.99 | 153,040 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,570 |
| Political Movements by Country | 0 | - | 4.50 | 62,004 |
| "Land" Countries | 0 | - | 4.98 | 265,216 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,789 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,497 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,687 |
| Former Countries by Capital | 0 | - | 4.41 | 97,434 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,147 |
| Biggest Cities in History | 0 | - | 4.47 | 70,667 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,658 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,848 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,411 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,429 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,794 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,261 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,230 |
| Historical City to Country | 0 | - | 4.81 | 66,436 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,950 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,760 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,862 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,858 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,332,631 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,038 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,219 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,880 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,826 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,028 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 119,331 |
| Former Countries | 0 | - | 4.52 | 100,457 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,376 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,798 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,808 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 92,994 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,666 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 57,018 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,139 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 117,334 |
| Five Most Guessed Countries by Continent | 0 | - | 4.93 | 134,416 |
| Five Least Guessed Countries by Continent | 0 | - | 4.92 | 49,515 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 88,423 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,653 |
| Five Richest Countries by Continent | 0 | - | 4.55 | 160,406 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 143,816 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,262 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 53,809 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,694 |
| Countries Closest to United States by Continent | 0 | - | 5.00 | 112,207 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 998,218 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,723 |
| Five Highest HDI Countries by Continent | 0 | - | 4.47 | 47,657 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,870 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,923 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.57 | 68,407 |
| Every Country Shape | 0 | - | 4.99 | 313,969 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,882,850 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,389 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,432 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,735 |
| Countries with Megacities | 0 | - | 4.99 | 176,103 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,501 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,392 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,165 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,488 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.55 | 43,630 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,650,257 |
| Five Countries with Most Christians by Continent | 0 | - | 4.98 | 70,289 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,049 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,517 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,711 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 33,098 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,135 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,571 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,508 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.94 | 92,311 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 50,578 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,683 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 72,123 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,701 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 125,024 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,861 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,939 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,516 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 47,977 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,544 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,027 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,527 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,626 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,045 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 87,132 |
| Five Countries by a Single Word by Continent | 0 | - | 4.88 | 37,839 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,502 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,662 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,565 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,350 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,432 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,976 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,152 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,308 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,379 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,703 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,083 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.96 | 112,375 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,844 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,291 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 86,132 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,450 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 40,014 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,028 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,126 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,657 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,961 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,744 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 58,527 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,536 |
| Random Flag to Country | 0 | - | 4.99 | 388,625 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,068 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,101 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,096,483 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.91 | 50,087 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,341 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,973 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,147 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,783 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,554 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,447 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,496 |
| Battle to Country | 0 | - | 4.89 | 30,620 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,065 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,707 |
| Countries by Former Name | 0 | - | 4.98 | 82,698 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,836 |
| World Map Without 20 Random Countries | 0 | - | 4.97 | 5,517,400 |
| Vatican City Country Quiz | 0 | - | 4.44 | 31,889 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 261,145 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 381,224 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.43 | 19,642 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,975 |
