| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,971,194 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 732,947 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,634 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,399 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,162,755 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,211 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,412 |
| Island Countries Quiz | 0 | - | 4.99 | 574,768 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,367 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,411 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,632 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,774 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,826 |
| Countries That Border Russia | 0 | - | 4.98 | 366,510 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,933 |
| Communist Countries in History | 0 | - | 4.47 | 381,470 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,612 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,762 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,719 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,653 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,109 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,430 |
| One Border Countries | 0 | - | 4.98 | 357,261 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,063 |
| EU Countries Quiz | 0 | - | 4.99 | 206,214 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,448,444 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,242,115 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,744 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,801 |
| Countries that Start with A | 0 | - | 4.96 | 1,620,922 |
| Countries that Start with B | 0 | - | 4.94 | 1,758,435 |
| Countries that Start with C | 0 | - | 4.95 | 1,393,316 |
| Countries that Start with D | 0 | - | 4.96 | 460,124 |
| Countries that Start with E | 0 | - | 4.93 | 1,027,156 |
| Countries that Start with G | 0 | - | 4.95 | 1,124,260 |
| Countries that Start with H | 0 | - | 4.92 | 387,650 |
| Countries that Start with I | 0 | - | 4.90 | 971,940 |
| Countries that Start with J | 0 | - | 4.96 | 390,946 |
| Countries that Start with K | 0 | - | 4.94 | 567,735 |
| Countries that Start with L | 0 | - | 4.98 | 809,125 |
| Countries that Start with N | 0 | - | 4.90 | 830,350 |
| Countries that Start with P | 0 | - | 4.94 | 917,544 |
| Countries that Start with R | 0 | - | 4.40 | 297,418 |
| Countries that Start with S | 0 | - | 4.96 | 1,349,795 |
| Countries that Start with T | 0 | - | 4.88 | 754,945 |
| Countries that Start with U | 0 | - | 4.97 | 681,193 |
| Countries that Start with V | 0 | - | 4.97 | 453,772 |
| Countries that Start with F | 0 | - | 4.73 | 420,834 |
| Countries that Start with M | 0 | - | 4.95 | 1,055,346 |
| Countries that Border China | 0 | - | 4.97 | 211,068 |
| Countries in World War II | 0 | - | 4.47 | 676,494 |
| Countries in World War I | 0 | - | 4.92 | 181,982 |
| Countries with Four Letters | 0 | - | 4.99 | 319,943 |
| Countries of Africa | 0 | - | 5.00 | 1,721,196 |
| Countries of South America | 0 | - | 5.00 | 618,470 |
| Countries of North America Quiz | 0 | - | 5.00 | 701,349 |
| Countries of Oceania | 0 | - | 5.00 | 707,335 |
| Vietnam War Countries | 0 | - | 4.78 | 76,363 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,633 |
| Countries Bordering France | 0 | - | 4.90 | 307,984 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,824 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,038 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,766 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,013 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,376 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,818 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,495 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,593 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,217 |
| Countries with Five Letters Quiz | 0 | - | 4.93 | 191,748 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,191 |
| Independence from Whom | 0 | - | 4.99 | 152,399 |
| Countries with Z | 0 | - | 4.99 | 222,393 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,328 |
| Political Movements by Country | 0 | - | 4.49 | 61,709 |
| "Land" Countries | 0 | - | 4.98 | 258,899 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,207 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,532 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,009 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,785 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,549 |
| Biggest Cities in History | 0 | - | 4.49 | 70,072 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,340 |
| Inventions by Country #1 | 0 | - | 4.42 | 41,668 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,091 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,119 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,582 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,056 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,031 |
| Historical City to Country | 0 | - | 4.81 | 66,180 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,371 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,444 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,507 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,128 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,333 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,304,031 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,530 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,704 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,463 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,735 |
| Former Countries | 0 | - | 4.56 | 100,099 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 112,702 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,906 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,439 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,303 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,672 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,913 |
| Guerrillas by Country | 0 | - | 4.42 | 34,745 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,437 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,022 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,846 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,729 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,160 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.57 | 68,108 |
| Every Country Shape | 0 | - | 4.99 | 311,399 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,862,361 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,218 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,691 |
| Countries with Megacities | 0 | - | 4.99 | 158,072 |
| Countries of Europe by Population | 0 | - | 4.98 | 107,890 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,117 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,491 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,379 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,633,202 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,537 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,386 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,530 |
| One Country By Letter By Continent | 0 | - | 4.99 | 34,873 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,479 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 32,863 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,580 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,580 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,420 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,247 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,758 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,218 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,510 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,729 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,681 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,585 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,231 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,737 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,348 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,553 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,162 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,787 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,706 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,650 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,909 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 98,989 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,240 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,058 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,709 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 97,554 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,099 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,165 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 115,901 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,690 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.96 | 111,821 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,217 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,567 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,298 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,068 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,835 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,881 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,602 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,102 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,644 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 246,386 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,309 |
| Countries of the World in 1900 | 0 | - | 4.87 | 51,920 |
| Random Flag to Country | 0 | - | 4.99 | 385,414 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,869 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,075 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,088,255 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,048 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 238,721 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,294 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,333 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 104,720 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,283 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,776 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,130 |
| Battle to Country | 0 | - | 4.89 | 30,424 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,675 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,571 |
| Countries by Former Name | 0 | - | 4.99 | 82,246 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,380 |
| Random European Countries on a Map | 0 | - | 4.98 | 211,462 |
| Random African Countries on a Map | 0 | - | 4.98 | 197,896 |
| World Map Without 20 Random Countries | 0 | - | 4.97 | 5,452,331 |
| Vatican City Country Quiz | 0 | - | 4.47 | 31,607 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 258,211 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 378,214 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.43 | 19,501 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,466 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,194 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.73 | 28,290 |
| Countries by Population Range - Tile Select | 0 | - | 4.82 | 43,348 |
