| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,067,261 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 734,428 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,140 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,711 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,164,827 |
| Biggest Countries by Area | 0 | - | 4.99 | 826,767 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,841 |
| Island Countries Quiz | 0 | - | 4.99 | 575,835 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,681 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,088 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,287 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,240 |
| Countries That Border Russia | 0 | - | 4.98 | 367,223 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,212 |
| Communist Countries in History | 0 | - | 4.47 | 382,346 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,010 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,187 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,918 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,075 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,508 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,625 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,425 |
| One Border Countries | 0 | - | 4.98 | 358,079 |
| EU Countries Quiz | 0 | - | 4.99 | 206,479 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,458,840 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,246,752 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,935 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,854 |
| Countries that Start with A | 0 | - | 4.96 | 1,625,224 |
| Countries that Start with B | 0 | - | 4.94 | 1,762,767 |
| Countries that Start with C | 0 | - | 4.95 | 1,396,760 |
| Countries that Start with D | 0 | - | 4.96 | 461,897 |
| Countries that Start with E | 0 | - | 4.93 | 1,029,924 |
| Countries that Start with G | 0 | - | 4.95 | 1,127,172 |
| Countries that Start with H | 0 | - | 4.92 | 389,126 |
| Countries that Start with I | 0 | - | 4.90 | 974,302 |
| Countries that Start with J | 0 | - | 4.96 | 392,420 |
| Countries that Start with K | 0 | - | 4.95 | 569,676 |
| Countries that Start with L | 0 | - | 4.98 | 811,228 |
| Countries that Start with N | 0 | - | 4.90 | 832,523 |
| Countries that Start with P | 0 | - | 4.94 | 920,021 |
| Countries that Start with R | 0 | - | 4.41 | 298,670 |
| Countries that Start with S | 0 | - | 4.97 | 1,353,146 |
| Countries that Start with T | 0 | - | 4.89 | 757,000 |
| Countries that Start with U | 0 | - | 4.97 | 682,992 |
| Countries that Start with V | 0 | - | 4.97 | 454,992 |
| Countries that Start with F | 0 | - | 4.74 | 422,417 |
| Countries that Start with M | 0 | - | 4.95 | 1,057,865 |
| Countries that Border China | 0 | - | 4.97 | 211,396 |
| Countries in World War II | 0 | - | 4.47 | 678,285 |
| Countries in World War I | 0 | - | 4.92 | 182,403 |
| Countries with Four Letters | 0 | - | 4.99 | 320,530 |
| Countries of Africa | 0 | - | 5.00 | 1,727,695 |
| Countries of South America | 0 | - | 5.00 | 620,718 |
| Countries of North America Quiz | 0 | - | 5.00 | 703,900 |
| Countries of Oceania | 0 | - | 5.00 | 710,161 |
| Vietnam War Countries | 0 | - | 4.78 | 76,516 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,897 |
| Countries Bordering France | 0 | - | 4.90 | 308,548 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,599 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,979 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,164 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,688 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,940 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,817 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,838 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,383 |
| Independence from Whom | 0 | - | 4.99 | 152,630 |
| Countries with Z | 0 | - | 4.99 | 222,722 |
| Holy Roman Empire Countries | 0 | - | 4.56 | 37,405 |
| Political Movements by Country | 0 | - | 4.49 | 61,830 |
| "Land" Countries | 0 | - | 4.98 | 264,125 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,423 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 204,537 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,067 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,408 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,254 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,786 |
| Biggest Cities in History | 0 | - | 4.49 | 70,335 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,449 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,737 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,211 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,220 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,198 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,145 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,116 |
| Historical City to Country | 0 | - | 4.81 | 66,281 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,579 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,582 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,640 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,792 |
| WWII Geography | 0 | - | 4.73 | 88,413 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,315,835 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,727 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,892 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,604 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,840 |
| Former Countries | 0 | - | 4.52 | 100,238 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,094 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,250 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,608 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,446 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,804 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,048 |
| Guerrillas by Country | 0 | - | 4.42 | 34,810 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,533 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,472 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 994,980 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,192 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,780 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,438 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,228 |
| Every Country Shape | 0 | - | 4.99 | 312,400 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,870,624 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,280 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,109 |
| Countries with Megacities | 0 | - | 4.99 | 174,114 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,131 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,815 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,772 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,797 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,639,741 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,472 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,702 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,529 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,570 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 32,981 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,812 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,009 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,845 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,418 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,890 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,399 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,707 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,735 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,702 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,347 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,819 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,423 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,726 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,297 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,110 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,839 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,835 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,118 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.95 | 18,138 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,233 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,386 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,174 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,273 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,826 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,691 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,180 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,242 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,224 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,903 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,031 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,433 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,819 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,870 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,229 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,904 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,938 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,781 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,291 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,766 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 247,048 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,485 |
| Roman Provinces on a Map | 0 | - | 4.72 | 25,571 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,147 |
| Random Flag to Country | 0 | - | 4.99 | 386,675 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,939 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,430 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,090,941 |
| Countries of the German Empire | 0 | - | 4.36 | 26,566 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,150 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 239,305 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,558 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,618 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,125 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,391 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,059 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,280 |
| Battle to Country | 0 | - | 4.89 | 30,488 |
| Countries of the Italian Empire | 0 | - | 4.19 | 19,857 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,841 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,625 |
| Countries by Former Name | 0 | - | 4.99 | 82,411 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,555 |
| Random European Countries on a Map | 0 | - | 4.98 | 212,055 |
| World Map Without 20 Random Countries | 0 | - | 4.97 | 5,476,765 |
| Vatican City Country Quiz | 0 | - | 4.47 | 31,725 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 259,473 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 379,452 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.43 | 19,560 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,649 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,357 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.73 | 28,429 |
| Countries by Population Range - Tile Select | 0 | - | 4.82 | 43,475 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,187,352 |
