| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,196,527 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 770,182 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 354,889 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 252,785 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 185,135 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,208,785 |
| Biggest Countries by Area | 0 | - | 4.99 | 859,863 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 154,979 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 318,220 |
| Island Countries Quiz | 0 | - | 4.99 | 599,216 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 301,475 |
| Southernmost Countries of the World | 0 | - | 4.99 | 186,552 |
| Majority Muslim Countries | 0 | - | 4.97 | 293,251 |
| Countries with the Most Borders | 0 | - | 4.97 | 328,431 |
| Countries That Border Russia | 0 | - | 4.97 | 384,623 |
| Countries and Languages Quiz | 0 | - | 4.84 | 221,806 |
| Communist Countries in History | 0 | - | 4.43 | 401,507 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 262,652 |
| Islands by Country #1 | 0 | - | 4.83 | 154,028 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 296,816 |
| Monarchies of the World | 0 | - | 4.92 | 145,272 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 176,479 |
| Countries by Borders #1 | 0 | - | 5.00 | 167,887 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 210,860 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 316,186 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 309,923 |
| One Border Countries | 0 | - | 4.97 | 375,875 |
| Countries by Official Language | 0 | - | 4.94 | 146,032 |
| NATO Countries Quiz | 0 | - | 4.98 | 208,852 |
| EU Countries Quiz | 0 | - | 4.99 | 213,242 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,682,891 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,346,226 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 135,340 |
| Countries that Start with A | 0 | - | 4.96 | 1,743,057 |
| Countries that Start with B | 0 | - | 4.92 | 1,881,573 |
| Countries that Start with C | 0 | - | 4.94 | 1,489,587 |
| Countries that Start with D | 0 | - | 4.95 | 515,847 |
| Countries that Start with E | 0 | - | 4.92 | 1,105,919 |
| Countries that Start with G | 0 | - | 4.94 | 1,212,860 |
| Countries that Start with H | 0 | - | 4.91 | 439,115 |
| Countries that Start with I | 0 | - | 4.89 | 1,031,010 |
| Countries that Start with J | 0 | - | 4.97 | 426,516 |
| Countries that Start with K | 0 | - | 4.93 | 613,026 |
| Countries that Start with L | 0 | - | 4.97 | 860,340 |
| Countries that Start with N | 0 | - | 4.87 | 882,519 |
| Countries that Start with P | 0 | - | 4.90 | 975,729 |
| Countries that Start with R | 0 | - | 4.40 | 325,723 |
| Countries that Start with S | 0 | - | 4.97 | 1,433,453 |
| Countries that Start with T | 0 | - | 4.83 | 802,404 |
| Countries that Start with U | 0 | - | 4.96 | 721,450 |
| Countries that Start with V | 0 | - | 4.96 | 481,935 |
| Countries that Start with F | 0 | - | 4.68 | 473,366 |
| Countries that Start with M | 0 | - | 4.94 | 1,119,531 |
| Countries that Border China | 0 | - | 4.96 | 218,505 |
| Top Crude Oil Producing Countries | 0 | - | 4.82 | 148,742 |
| Countries in World War II | 0 | - | 4.43 | 713,979 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 169,199 |
| Countries in World War I | 0 | - | 4.91 | 191,550 |
| Countries with Four Letters | 0 | - | 4.99 | 355,063 |
| Countries of Africa | 0 | - | 5.00 | 1,867,939 |
| Countries of South America | 0 | - | 5.00 | 672,585 |
| Countries of North America Quiz | 0 | - | 5.00 | 760,591 |
| Countries of Oceania | 0 | - | 5.00 | 767,413 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 160,772 |
| Vietnam War Countries | 0 | - | 4.75 | 80,533 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 212,315 |
| Countries Bordering France | 0 | - | 4.82 | 333,100 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 205,529 |
| Countries Bordering Germany | 0 | - | 4.98 | 305,542 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 73,776 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 273,566 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 75,962 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,548 |
| Countries in their Native Language | 0 | - | 4.96 | 153,909 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 95,126 |
| Countries by Clue #1 | 0 | - | 4.88 | 202,606 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 215,468 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 163,634 |
| Independence from Whom | 0 | - | 4.99 | 170,941 |
| Countries with Z | 0 | - | 4.98 | 229,740 |
| Holy Roman Empire Countries | 0 | - | 4.53 | 39,499 |
| Political Movements by Country | 0 | - | 4.48 | 64,025 |
| "Land" Countries | 0 | - | 4.97 | 273,737 |
| European Countries by Clue | 0 | - | 4.93 | 159,439 |
| Countries with Letters Missing | 0 | - | 4.97 | 147,497 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 224,408 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 178,570 |
| Who Controlled These Colonies? | 0 | - | 4.80 | 104,115 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 255,916 |
| Former Countries by Capital | 0 | - | 4.41 | 99,194 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,814 |
| Warsaw Pact Countries | 0 | - | 4.88 | 66,702 |
| Inventions by Country #1 | 0 | - | 4.43 | 43,022 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 65,937 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 161,128 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 154,531 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 189,761 |
| Historical City to Country | 0 | - | 4.78 | 68,411 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 153,605 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 79,100 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 62,142 |
| Countries With the Most Languages | 0 | - | 4.88 | 157,747 |
| Countries Closest to Canada | 0 | - | 4.90 | 161,838 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 146,668 |
| Countries Closest to Italy | 0 | - | 4.97 | 164,131 |
| Countries Closest to Spain | 0 | - | 4.96 | 178,021 |
| Countries Ending in "IA" | 0 | - | 4.99 | 156,908 |
| Countries Settled by Vikings | 0 | - | 4.93 | 104,411 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 357,479 |
| Top Five Countries By Category #2 | 0 | - | 4.91 | 143,865 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 200,613 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,559,237 |
| Countries That End in Y | 0 | - | 4.87 | 153,522 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 133,128 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 168,400 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 149,900 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 175,662 |
| Former Countries | 0 | - | 4.60 | 116,927 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 231,405 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.93 | 156,240 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 180,868 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 148,707 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 148,480 |
| Guerrillas by Country | 0 | - | 4.47 | 35,964 |
| Country Chain | 0 | - | 4.91 | 163,293 |
| Olympic Host Countries | 0 | - | 4.98 | 149,532 |
| World Map without 12 Countries | 0 | - | 4.96 | 285,812 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 117,186 |
| Every Country Shape | 0 | - | 5.00 | 334,942 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,032,596 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 149,473 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 227,167 |
| Countries with Megacities | 0 | - | 4.99 | 181,849 |
| Every European Country Shape | 0 | - | 4.93 | 158,795 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 171,045 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 180,564 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,604 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 148,734 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 141,901 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 166,016 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,785,525 |
| Countries of the Middle East | 0 | - | 4.95 | 155,688 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 229,057 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 69,340 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 162,597 |
| One Country By Letter By Continent | 0 | - | 4.99 | 48,345 |
| Most Populous Countries by Year | 0 | - | 4.71 | 83,168 |
| Largest Countries with No Borders | 0 | - | 4.96 | 169,643 |
| Countries of Europe After World War II | 0 | - | 4.97 | 152,026 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,655 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 150,287 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 180,134 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 182,929 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 202,734 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 20,761 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 46,154 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 168,255 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,423 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,332 |
| Countries of Asia in 1900 | 0 | - | 4.46 | 49,629 |
| Biggest British Empire Countries | 0 | - | 4.48 | 72,984 |
| Biggest Spanish Empire Countries | 0 | - | 4.74 | 84,383 |
| Soviet Union Country Quiz | 0 | - | 4.84 | 59,650 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 161,386 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 95,710 |
| The Only European Country ... | 0 | - | 4.93 | 141,619 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 105,646 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 71,039 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 56,685 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 62,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 50,010 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,289 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 123,752 |
| Most-Visited Countries by Popes | 0 | - | 4.48 | 56,009 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 66,323 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.87 | 90,627 |
| 2017 News Stories - Name the Country | 0 | - | 4.50 | 25,102 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 66,069 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 65,667 |
| Countries by Emojis | 0 | - | 4.99 | 167,121 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 262,785 |
| Country by Photo of its Leader #1 | 0 | - | 4.70 | 83,624 |
| Countries of the World in 1900 | 0 | - | 4.85 | 56,324 |
| Random Flag to Country | 0 | - | 4.99 | 420,644 |
| Name a Valid Country #1 | 0 | - | 4.99 | 183,465 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 20,885 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.49 | 43,370 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 153,920 |
| Name a Valid Country #2 | 0 | - | 4.97 | 160,092 |
| Name a Valid Country #3 | 0 | - | 4.97 | 171,276 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,166,880 |
| Countries of the German Empire | 0 | - | 4.44 | 28,766 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,329 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 254,684 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 77,426 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 185,539 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 168,684 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,694 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 177,569 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 112,379 |
