| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,010,032 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 733,521 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,828 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,517 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,163,574 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,841 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,570 |
| Island Countries Quiz | 0 | - | 4.99 | 575,216 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,484 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,721 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,819 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,007 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,972 |
| Countries That Border Russia | 0 | - | 4.98 | 366,816 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,039 |
| Communist Countries in History | 0 | - | 4.46 | 381,845 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,782 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,937 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,786 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,805 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,273 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,498 |
| One Border Countries | 0 | - | 4.98 | 357,598 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,216 |
| EU Countries Quiz | 0 | - | 4.99 | 206,318 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,452,791 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,243,915 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,807 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,824 |
| Countries that Start with A | 0 | - | 4.96 | 1,622,590 |
| Countries that Start with B | 0 | - | 4.94 | 1,760,074 |
| Countries that Start with C | 0 | - | 4.95 | 1,394,639 |
| Countries that Start with D | 0 | - | 4.96 | 460,825 |
| Countries that Start with E | 0 | - | 4.93 | 1,028,215 |
| Countries that Start with G | 0 | - | 4.95 | 1,125,355 |
| Countries that Start with H | 0 | - | 4.92 | 388,229 |
| Countries that Start with I | 0 | - | 4.90 | 972,854 |
| Countries that Start with J | 0 | - | 4.96 | 391,523 |
| Countries that Start with K | 0 | - | 4.94 | 568,511 |
| Countries that Start with L | 0 | - | 4.98 | 809,938 |
| Countries that Start with N | 0 | - | 4.90 | 831,180 |
| Countries that Start with P | 0 | - | 4.94 | 918,485 |
| Countries that Start with R | 0 | - | 4.41 | 297,906 |
| Countries that Start with S | 0 | - | 4.97 | 1,351,041 |
| Countries that Start with T | 0 | - | 4.88 | 755,754 |
| Countries that Start with U | 0 | - | 4.97 | 681,894 |
| Countries that Start with V | 0 | - | 4.97 | 454,220 |
| Countries that Start with F | 0 | - | 4.74 | 421,437 |
| Countries that Start with M | 0 | - | 4.95 | 1,056,333 |
| Countries that Border China | 0 | - | 4.97 | 211,191 |
| Countries in World War II | 0 | - | 4.47 | 677,226 |
| Countries in World War I | 0 | - | 4.92 | 182,155 |
| Countries with Four Letters | 0 | - | 4.99 | 320,197 |
| Countries of Africa | 0 | - | 5.00 | 1,723,661 |
| Countries of South America | 0 | - | 5.00 | 619,343 |
| Countries of North America Quiz | 0 | - | 5.00 | 702,344 |
| Countries of Oceania | 0 | - | 5.00 | 708,325 |
| Vietnam War Countries | 0 | - | 4.78 | 76,419 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,745 |
| Countries Bordering France | 0 | - | 4.90 | 308,222 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,944 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,288 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,844 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,069 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,495 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,863 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,611 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,723 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,329 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 191,874 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,263 |
| Independence from Whom | 0 | - | 4.99 | 152,493 |
| Countries with Z | 0 | - | 4.99 | 222,517 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,352 |
| Political Movements by Country | 0 | - | 4.49 | 61,765 |
| "Land" Countries | 0 | - | 4.98 | 262,664 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,274 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,205 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,624 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,175 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,986 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,662 |
| Biggest Cities in History | 0 | - | 4.49 | 70,156 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,387 |
| Inventions by Country #1 | 0 | - | 4.42 | 41,699 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,137 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,161 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,995 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,091 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,065 |
| Historical City to Country | 0 | - | 4.81 | 66,207 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,449 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,498 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,556 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,398 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,460 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,308,945 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,616 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,789 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,511 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,780 |
| Former Countries | 0 | - | 4.53 | 100,168 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 112,762 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,031 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,490 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,365 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,717 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,967 |
| Guerrillas by Country | 0 | - | 4.42 | 34,769 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,472 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,728 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,989 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,748 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,271 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,157 |
| Every Country Shape | 0 | - | 4.99 | 311,776 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,865,899 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,243 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,871 |
| Countries with Megacities | 0 | - | 4.99 | 164,383 |
| Countries of Europe by Population | 0 | - | 4.98 | 107,993 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,597 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,634 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,608 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,635,796 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,794 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,417 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,600 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,179 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,521 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 32,905 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,659 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,722 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,570 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,314 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,809 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,300 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,588 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,966 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,705 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,637 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,271 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,769 |
| Biggest British Empire Countries | 0 | - | 4.44 | 55,374 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,624 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,220 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 141,912 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,755 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,736 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,994 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,088 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,117 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,210 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,762 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,355 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,129 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,203 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,014 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,790 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 111,891 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,310 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,659 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,669 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,133 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,856 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,904 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,676 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,182 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,698 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 246,605 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,388 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,009 |
| Random Flag to Country | 0 | - | 4.99 | 385,867 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,894 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,218 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,089,282 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,094 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 238,950 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,393 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,441 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 104,882 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,328 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,852 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,189 |
| Battle to Country | 0 | - | 4.89 | 30,450 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,746 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,594 |
| Countries by Former Name | 0 | - | 4.99 | 82,307 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,446 |
| Random European Countries on a Map | 0 | - | 4.98 | 211,679 |
| Random African Countries on a Map | 0 | - | 4.98 | 198,136 |
| World Map Without 20 Random Countries | 0 | - | 4.97 | 5,461,695 |
| Vatican City Country Quiz | 0 | - | 4.47 | 31,648 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 258,736 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 378,685 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.43 | 19,528 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,527 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,247 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.73 | 28,338 |
| Countries by Population Range - Tile Select | 0 | - | 4.82 | 43,402 |
