| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,323,221 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 738,493 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,488 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,587 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,350 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,170,040 |
| Biggest Countries by Area | 0 | - | 4.99 | 830,640 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 164,010 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,975 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 296,035 |
| Island Countries Quiz | 0 | - | 4.99 | 578,231 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,798 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,343 |
| Majority Muslim Countries | 0 | - | 4.96 | 282,153 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,630 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,358 |
| Countries That Border Russia | 0 | - | 4.98 | 369,104 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,901 |
| Communist Countries in History | 0 | - | 4.48 | 384,511 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 256,002 |
| Islands by Country #1 | 0 | - | 4.86 | 149,680 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,506 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,727 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,598 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,582 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,239 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,539 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,141 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,566 |
| One Border Countries | 0 | - | 4.98 | 360,116 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,258 |
| EU Countries Quiz | 0 | - | 4.99 | 207,369 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,486,926 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,259,037 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,678 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,968 |
| Countries that Start with A | 0 | - | 4.96 | 1,635,404 |
| Countries that Start with B | 0 | - | 4.94 | 1,772,991 |
| Countries that Start with C | 0 | - | 4.95 | 1,404,783 |
| Countries that Start with D | 0 | - | 4.97 | 466,019 |
| Countries that Start with E | 0 | - | 4.93 | 1,036,307 |
| Countries that Start with G | 0 | - | 4.95 | 1,134,192 |
| Countries that Start with H | 0 | - | 4.93 | 392,694 |
| Countries that Start with I | 0 | - | 4.91 | 979,878 |
| Countries that Start with J | 0 | - | 4.96 | 396,021 |
| Countries that Start with K | 0 | - | 4.95 | 574,682 |
| Countries that Start with L | 0 | - | 4.98 | 816,436 |
| Countries that Start with N | 0 | - | 4.91 | 837,913 |
| Countries that Start with P | 0 | - | 4.94 | 925,823 |
| Countries that Start with R | 0 | - | 4.42 | 301,497 |
| Countries that Start with S | 0 | - | 4.96 | 1,361,268 |
| Countries that Start with T | 0 | - | 4.89 | 761,639 |
| Countries that Start with U | 0 | - | 4.97 | 687,203 |
| Countries that Start with V | 0 | - | 4.97 | 457,854 |
| Countries that Start with F | 0 | - | 4.77 | 426,048 |
| Countries that Start with M | 0 | - | 4.95 | 1,064,005 |
| Countries that Border China | 0 | - | 4.97 | 212,551 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,694 |
| Countries in World War II | 0 | - | 4.48 | 683,047 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,318 |
| Countries in World War I | 0 | - | 4.91 | 183,426 |
| Countries with Four Letters | 0 | - | 4.99 | 321,979 |
| Countries of Africa | 0 | - | 5.00 | 1,743,907 |
| Countries of South America | 0 | - | 5.00 | 627,124 |
| Countries of North America Quiz | 0 | - | 5.00 | 710,842 |
| Countries of Oceania | 0 | - | 5.00 | 717,109 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,742 |
| Vietnam War Countries | 0 | - | 4.78 | 76,921 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,841 |
| Countries Bordering France | 0 | - | 4.90 | 310,011 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 200,105 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,410 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,422 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,510 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,247 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,698 |
| Countries in their Native Language | 0 | - | 4.97 | 149,955 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,275 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,224 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,709 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,174 |
| Independence from Whom | 0 | - | 4.99 | 153,260 |
| Countries with Z | 0 | - | 4.99 | 223,485 |
| Holy Roman Empire Countries | 0 | - | 4.58 | 37,658 |
| Political Movements by Country | 0 | - | 4.50 | 62,083 |
| "Land" Countries | 0 | - | 4.98 | 265,607 |
| European Countries by Clue | 0 | - | 4.94 | 154,810 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,807 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,407 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,730 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,830 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,399 |
| Former Countries by Capital | 0 | - | 4.41 | 97,527 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,343 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,778 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,900 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,543 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,656 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,180 |
| Historical City to Country | 0 | - | 4.81 | 66,528 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,514 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,136 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,867 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,094 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,170 |
| Countries Closest to Italy | 0 | - | 4.97 | 148,929 |
| Countries Closest to Spain | 0 | - | 4.96 | 171,073 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,771 |
| Countries Settled by Vikings | 0 | - | 4.92 | 92,000 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,480 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,483 |
| WWII Geography | 0 | - | 4.74 | 89,149 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,342,818 |
| Countries That End in Y | 0 | - | 4.89 | 148,741 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 129,206 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,436 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 144,220 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,185 |
| Former Countries | 0 | - | 4.53 | 100,580 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,133 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,949 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,444 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 144,058 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 144,028 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,400 |
| Country Chain | 0 | - | 4.92 | 157,434 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 1,000,323 |
| World Map without 12 Countries | 0 | - | 4.96 | 279,053 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,196 |
| Every Country Shape | 0 | - | 4.99 | 314,774 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,889,601 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,632 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,133 |
| Countries with Megacities | 0 | - | 4.99 | 176,474 |
| Every European Country Shape | 0 | - | 4.94 | 152,926 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,588 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,884 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,769 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,346 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,874 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,656,936 |
| Countries of the Middle East | 0 | - | 4.96 | 149,094 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 215,236 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,293 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 144,201 |
| One Country By Letter By Continent | 0 | - | 4.99 | 37,149 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,483 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,888 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,926 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,832 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 144,140 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 172,016 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,720 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 189,137 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 44,929 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,397 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,070 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,644 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 48,059 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,625 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,180 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,689 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,935 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,731 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.95 | 18,173 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,905 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,672 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,455 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,525 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,080 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,315 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,963 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,206 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 62,022 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,506 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,072 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,297 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,817 |
| Countries by Emojis | 0 | - | 4.99 | 159,217 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 249,272 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 80,898 |
| Roman Provinces on a Map | 0 | - | 4.74 | 25,811 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,765 |
| Random Flag to Country | 0 | - | 4.99 | 389,704 |
| Name a Valid Country #1 | 0 | - | 4.99 | 174,295 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,133 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,503 |
| Name a Valid Country #2 | 0 | - | 4.97 | 152,888 |
| Name a Valid Country #3 | 0 | - | 4.98 | 163,518 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,099,625 |
| Countries of the German Empire | 0 | - | 4.36 | 26,770 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,437 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 241,113 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,240 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 175,266 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 159,740 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,415 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 168,260 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,201 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,666 |
