| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,235,506 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 770,760 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 355,095 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 252,893 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 185,232 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,209,645 |
| Biggest Countries by Area | 0 | - | 4.99 | 860,460 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 155,045 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 318,675 |
| Island Countries Quiz | 0 | - | 4.99 | 599,610 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 301,618 |
| Southernmost Countries of the World | 0 | - | 4.99 | 186,618 |
| Majority Muslim Countries | 0 | - | 4.97 | 293,476 |
| Countries with the Most Borders | 0 | - | 4.97 | 328,653 |
| Countries That Border Russia | 0 | - | 4.97 | 384,910 |
| Regions of Countries #1 | 0 | - | 4.96 | 141,661 |
| Countries and Languages Quiz | 0 | - | 4.84 | 221,908 |
| Communist Countries in History | 0 | - | 4.43 | 401,870 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 262,805 |
| Islands by Country #1 | 0 | - | 4.82 | 154,101 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 297,013 |
| Monarchies of the World | 0 | - | 4.92 | 145,363 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 176,549 |
| Countries by Borders #1 | 0 | - | 4.99 | 168,053 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 210,966 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 316,369 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 310,098 |
| One Border Countries | 0 | - | 4.97 | 376,190 |
| Countries by Official Language | 0 | - | 4.94 | 146,116 |
| NATO Countries Quiz | 0 | - | 4.98 | 208,966 |
| EU Countries Quiz | 0 | - | 4.99 | 213,382 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,686,976 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,348,185 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 135,426 |
| Countries by Independence Day Quiz | 0 | - | 4.44 | 42,891 |
| Countries that Start with A | 0 | - | 4.96 | 1,744,942 |
| Countries that Start with B | 0 | - | 4.92 | 1,883,465 |
| Countries that Start with C | 0 | - | 4.94 | 1,491,094 |
| Countries that Start with D | 0 | - | 4.95 | 516,595 |
| Countries that Start with E | 0 | - | 4.92 | 1,107,092 |
| Countries that Start with G | 0 | - | 4.94 | 1,214,192 |
| Countries that Start with H | 0 | - | 4.91 | 439,791 |
| Countries that Start with I | 0 | - | 4.89 | 1,040,851 |
| Countries that Start with J | 0 | - | 4.97 | 427,192 |
| Countries that Start with K | 0 | - | 4.93 | 613,800 |
| Countries that Start with L | 0 | - | 4.97 | 861,234 |
| Countries that Start with N | 0 | - | 4.87 | 883,479 |
| Countries that Start with P | 0 | - | 4.89 | 976,806 |
| Countries that Start with R | 0 | - | 4.40 | 326,240 |
| Countries that Start with S | 0 | - | 4.97 | 1,434,918 |
| Countries that Start with T | 0 | - | 4.83 | 803,240 |
| Countries that Start with U | 0 | - | 4.96 | 722,127 |
| Countries that Start with V | 0 | - | 4.96 | 482,458 |
| Countries that Start with F | 0 | - | 4.68 | 474,289 |
| Countries that Start with M | 0 | - | 4.94 | 1,120,648 |
| Countries that Border China | 0 | - | 4.96 | 218,634 |
| Countries in World War II | 0 | - | 4.43 | 714,663 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 169,297 |
| Countries in World War I | 0 | - | 4.90 | 191,737 |
| Countries with Four Letters | 0 | - | 4.99 | 355,367 |
| Countries of Africa | 0 | - | 5.00 | 1,870,618 |
| Countries of South America | 0 | - | 5.00 | 673,570 |
| Countries of North America Quiz | 0 | - | 5.00 | 761,700 |
| Countries of Oceania | 0 | - | 5.00 | 768,414 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 160,863 |
| Vietnam War Countries | 0 | - | 4.75 | 80,596 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 212,421 |
| Countries Bordering France | 0 | - | 4.82 | 333,355 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 205,648 |
| Countries Bordering Germany | 0 | - | 4.98 | 305,801 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 73,852 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 273,689 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 76,025 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,704 |
| Countries in their Native Language | 0 | - | 4.96 | 154,001 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 95,173 |
| Countries by Clue #1 | 0 | - | 4.88 | 202,767 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 215,601 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 163,729 |
| Independence from Whom | 0 | - | 4.99 | 171,063 |
| Countries with Z | 0 | - | 4.98 | 229,854 |
| Holy Roman Empire Countries | 0 | - | 4.53 | 39,532 |
| Political Movements by Country | 0 | - | 4.48 | 64,073 |
| "Land" Countries | 0 | - | 4.97 | 273,880 |
| European Countries by Clue | 0 | - | 4.93 | 159,544 |
| Countries with Letters Missing | 0 | - | 4.97 | 147,568 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 224,519 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 178,670 |
| Who Controlled These Colonies? | 0 | - | 4.80 | 104,178 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 256,101 |
| Former Countries by Capital | 0 | - | 4.41 | 99,226 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,932 |
| Warsaw Pact Countries | 0 | - | 4.88 | 66,737 |
| Inventions by Country #1 | 0 | - | 4.43 | 43,043 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 65,989 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 161,209 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 154,627 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 189,933 |
| Historical City to Country | 0 | - | 4.78 | 68,455 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 153,699 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 79,201 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 63,171 |
| Countries With the Most Languages | 0 | - | 4.88 | 157,862 |
| Countries Closest to Canada | 0 | - | 4.90 | 161,923 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 146,743 |
| Countries Closest to Italy | 0 | - | 4.97 | 164,311 |
| Countries Closest to Spain | 0 | - | 4.96 | 178,134 |
| Countries Ending in "IA" | 0 | - | 4.99 | 157,033 |
| Countries Settled by Vikings | 0 | - | 4.93 | 104,520 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 357,747 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 143,993 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 200,719 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,563,638 |
| Countries That End in Y | 0 | - | 4.87 | 153,607 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 133,201 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 168,491 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 150,002 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 175,774 |
| Former Countries | 0 | - | 4.60 | 117,044 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 231,513 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.93 | 156,343 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 180,975 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 148,801 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 148,565 |
| Guerrillas by Country | 0 | - | 4.47 | 36,000 |
| Country Chain | 0 | - | 4.91 | 163,407 |
| Olympic Host Countries | 0 | - | 4.98 | 149,630 |
| World Map without 12 Countries | 0 | - | 4.96 | 285,940 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 117,315 |
| Every Country Shape | 0 | - | 5.00 | 335,347 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,035,180 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 149,560 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 227,367 |
| Countries with Megacities | 0 | - | 4.99 | 181,975 |
| Every European Country Shape | 0 | - | 4.93 | 158,899 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 171,124 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 180,867 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,734 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 148,818 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 141,997 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 166,250 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,788,110 |
| Countries of the Middle East | 0 | - | 4.95 | 155,842 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 229,500 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 69,417 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 162,737 |
| One Country By Letter By Continent | 0 | - | 4.99 | 48,583 |
| Most Populous Countries by Year | 0 | - | 4.71 | 83,265 |
| Largest Countries with No Borders | 0 | - | 4.96 | 169,718 |
| Countries of Europe After World War II | 0 | - | 4.97 | 152,197 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,824 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 150,367 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 180,271 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 183,048 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 202,967 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 20,774 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 46,187 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 168,416 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,469 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,361 |
| Countries of Asia in 1900 | 0 | - | 4.46 | 49,671 |
| Biggest British Empire Countries | 0 | - | 4.48 | 73,054 |
| Biggest Spanish Empire Countries | 0 | - | 4.74 | 84,438 |
| Soviet Union Country Quiz | 0 | - | 4.84 | 59,713 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 161,549 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 95,808 |
| The Only European Country ... | 0 | - | 4.93 | 141,718 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 105,756 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 71,094 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 56,731 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 62,597 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 50,050 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,350 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 123,872 |
| Most-Visited Countries by Popes | 0 | - | 4.48 | 56,094 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 66,393 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.87 | 90,733 |
| 2017 News Stories - Name the Country | 0 | - | 4.50 | 25,118 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 66,153 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 65,745 |
| Countries by Emojis | 0 | - | 4.99 | 167,263 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 263,048 |
| Country by Photo of its Leader #1 | 0 | - | 4.70 | 83,680 |
| Countries of the World in 1900 | 0 | - | 4.85 | 56,404 |
| Random Flag to Country | 0 | - | 4.99 | 421,234 |
| Name a Valid Country #1 | 0 | - | 4.99 | 183,599 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 20,903 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.49 | 43,393 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 154,069 |
| Name a Valid Country #2 | 0 | - | 4.97 | 160,207 |
| Name a Valid Country #3 | 0 | - | 4.97 | 171,376 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,168,508 |
| Countries of the German Empire | 0 | - | 4.44 | 28,822 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,382 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 254,892 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 77,512 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 185,696 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 168,807 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,819 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 177,723 |
