| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,987,814 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 733,158 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,708 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,446 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,457 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,163,113 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,456 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,438 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,205 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,477 |
| Island Countries Quiz | 0 | - | 4.99 | 575,012 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,414 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,478 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,715 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,845 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,882 |
| Countries That Border Russia | 0 | - | 4.98 | 366,625 |
| Regions of Countries #1 | 0 | - | 4.96 | 137,103 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,977 |
| Communist Countries in History | 0 | - | 4.47 | 381,611 |
| City to Country Quiz #1 | 0 | - | 4.93 | 124,610 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,684 |
| Islands by Country #1 | 0 | - | 4.86 | 148,769 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,827 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,031 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,879 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,744 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,705 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,186 |
| City to Country Quiz #2 | 0 | - | 4.64 | 83,898 |
| City to Country Quiz #3 | 0 | - | 4.86 | 91,661 |
| One Border Countries | 0 | - | 4.98 | 357,376 |
| Countries by Official Language | 0 | - | 4.93 | 141,713 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,121 |
| EU Countries Quiz | 0 | - | 4.99 | 206,259 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,450,238 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,242,852 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,769 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,813 |
| Countries that Start with A | 0 | - | 4.96 | 1,621,635 |
| Countries that Start with B | 0 | - | 4.94 | 1,759,124 |
| Countries that Start with C | 0 | - | 4.95 | 1,393,876 |
| Countries that Start with D | 0 | - | 4.96 | 460,420 |
| Countries that Start with E | 0 | - | 4.93 | 1,027,617 |
| Countries that Start with G | 0 | - | 4.95 | 1,124,719 |
| Countries that Start with H | 0 | - | 4.92 | 387,883 |
| Countries that Start with I | 0 | - | 4.90 | 972,339 |
| Countries that Start with J | 0 | - | 4.96 | 391,185 |
| Countries that Start with K | 0 | - | 4.94 | 568,049 |
| Countries that Start with L | 0 | - | 4.98 | 809,446 |
| Countries that Start with N | 0 | - | 4.90 | 830,725 |
| Countries that Start with P | 0 | - | 4.94 | 917,948 |
| Countries that Start with R | 0 | - | 4.41 | 297,625 |
| Countries that Start with S | 0 | - | 4.97 | 1,350,320 |
| Countries that Start with T | 0 | - | 4.88 | 755,292 |
| Countries that Start with U | 0 | - | 4.97 | 681,476 |
| Countries that Start with V | 0 | - | 4.97 | 453,946 |
| Countries that Start with F | 0 | - | 4.74 | 421,105 |
| Countries that Start with M | 0 | - | 4.95 | 1,055,763 |
| Countries that Border China | 0 | - | 4.97 | 211,119 |
| Top Crude Oil Producing Countries | 0 | - | 4.83 | 144,766 |
| Countries in World War II | 0 | - | 4.47 | 676,787 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,427 |
| Countries in World War I | 0 | - | 4.92 | 182,049 |
| Countries with Four Letters | 0 | - | 4.99 | 320,048 |
| Countries of Africa | 0 | - | 5.00 | 1,722,330 |
| Countries of South America | 0 | - | 5.00 | 618,851 |
| Countries of North America Quiz | 0 | - | 5.00 | 701,786 |
| Countries of Oceania | 0 | - | 5.00 | 707,753 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,812 |
| Vietnam War Countries | 0 | - | 4.78 | 76,385 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,677 |
| Countries Bordering France | 0 | - | 4.90 | 308,070 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,875 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,131 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,795 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,433 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,838 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,543 |
| Countries in their Native Language | 0 | - | 4.97 | 149,254 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,650 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,271 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 191,812 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,424 |
| Independence from Whom | 0 | - | 4.99 | 152,440 |
| Countries with Z | 0 | - | 4.99 | 222,442 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,339 |
| Political Movements by Country | 0 | - | 4.49 | 61,735 |
| "Land" Countries | 0 | - | 4.98 | 260,842 |
| European Countries by Clue | 0 | - | 4.95 | 154,047 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,161 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,131 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,569 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,028 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,852 |
| City to Country Quiz #4 | 0 | - | 4.55 | 71,655 |
| City to Country Quiz #5 | 0 | - | 4.53 | 69,780 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,591 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,368 |
| Inventions by Country #1 | 0 | - | 4.42 | 41,679 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,142 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,952 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,909 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,772 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,406 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,472 |
| Countries With the Most Languages | 0 | - | 4.90 | 149,714 |
| Countries Closest to Canada | 0 | - | 4.92 | 156,028 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 140,060 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,428 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,690 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,584 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,530 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 62,692 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,255 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,387 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,306,182 |
| Countries That End in Y | 0 | - | 4.89 | 147,931 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,564 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,501 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,261 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,108 |
| Former Countries | 0 | - | 4.56 | 100,132 |
| City to Country Quiz #6 | 0 | - | 4.45 | 55,145 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,952 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,768 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,408 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,138 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,241 |
| Guerrillas by Country | 0 | - | 4.42 | 34,752 |
| Country Chain | 0 | - | 4.92 | 156,178 |
| Olympic Host Countries | 0 | - | 4.98 | 140,525 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,285 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,910 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,216 |
| Every Country Shape | 0 | - | 4.99 | 311,545 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,864,016 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,769 |
| 48 Asian Countries, 48 Cities | 0 | - | 4.39 | 18,752 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,763 |
| Countries with Megacities | 0 | - | 4.99 | 158,108 |
| Every European Country Shape | 0 | - | 4.94 | 151,814 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,647 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,244 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,204 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,209 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,875 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,634,223 |
| Countries of the Middle East | 0 | - | 4.96 | 147,459 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,633 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,558 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,009 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,623 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,003 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,644 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,488 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,154 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,776 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,303 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,834 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,694 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,159 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,605 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,244 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,748 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,360 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,582 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,182 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,853 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,942 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,036 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,281 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,084 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,183 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,733 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 97,939 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 115,959 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,734 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,264 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,607 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,891 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,636 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,143 |
| Countries by Emojis | 0 | - | 4.99 | 157,421 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 246,463 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,339 |
| Countries of the World in 1900 | 0 | - | 4.87 | 51,960 |
| Random Flag to Country | 0 | - | 4.99 | 385,552 |
| Name a Valid Country #1 | 0 | - | 4.99 | 171,452 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,879 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,129 |
| Name a Valid Country #2 | 0 | - | 4.97 | 150,120 |
| Name a Valid Country #3 | 0 | - | 4.98 | 161,249 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,088,719 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,071 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 238,821 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,328 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 173,209 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 158,233 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,370 |
