| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,530,988 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 741,737 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 345,614 |
| Country Shape Quiz #3 | 0 | - | 4.93 | 247,298 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,866 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,174,297 |
| Biggest Countries by Area | 0 | - | 4.99 | 833,601 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 164,315 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 152,278 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 296,877 |
| Island Countries Quiz | 0 | - | 4.99 | 580,155 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 295,384 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,677 |
| Majority Muslim Countries | 0 | - | 4.96 | 283,000 |
| Countries with the Most Borders | 0 | - | 4.96 | 319,460 |
| Countries with the Longest Coastlines | 0 | - | 4.86 | 354,325 |
| Countries That Border Russia | 0 | - | 4.98 | 370,451 |
| Countries and Languages Quiz | 0 | - | 4.86 | 216,706 |
| Communist Countries in History | 0 | - | 4.48 | 386,142 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 256,573 |
| Islands by Country #1 | 0 | - | 4.86 | 150,049 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 288,287 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 173,083 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,959 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 206,049 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 308,068 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 302,205 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,515 |
| Former Capitals Quiz | 0 | - | 4.76 | 54,677 |
| One Border Countries | 0 | - | 4.98 | 361,654 |
| Countries by Official Language | 0 | - | 4.93 | 142,855 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,925 |
| EU Countries Quiz | 0 | - | 4.99 | 208,122 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,509,300 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,268,341 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 132,034 |
| Countries by Independence Day Quiz | 0 | - | 4.46 | 42,079 |
| Countries that Start with A | 0 | - | 4.96 | 1,643,555 |
| Countries that Start with B | 0 | - | 4.94 | 1,781,209 |
| Countries that Start with C | 0 | - | 4.95 | 1,411,119 |
| Countries that Start with D | 0 | - | 4.96 | 469,207 |
| Countries that Start with E | 0 | - | 4.93 | 1,041,308 |
| Countries that Start with G | 0 | - | 4.95 | 1,139,695 |
| Countries that Start with H | 0 | - | 4.93 | 395,392 |
| Countries that Start with I | 0 | - | 4.91 | 984,359 |
| Countries that Start with J | 0 | - | 4.96 | 398,742 |
| Countries that Start with K | 0 | - | 4.95 | 578,302 |
| Countries that Start with L | 0 | - | 4.98 | 820,489 |
| Countries that Start with N | 0 | - | 4.90 | 841,987 |
| Countries that Start with P | 0 | - | 4.94 | 930,256 |
| Countries that Start with R | 0 | - | 4.40 | 303,761 |
| Countries that Start with S | 0 | - | 4.96 | 1,367,711 |
| Countries that Start with T | 0 | - | 4.89 | 765,599 |
| Countries that Start with U | 0 | - | 4.97 | 690,492 |
| Countries that Start with V | 0 | - | 4.97 | 460,040 |
| Countries that Start with F | 0 | - | 4.77 | 428,871 |
| Countries that Start with M | 0 | - | 4.95 | 1,068,942 |
| Countries that Border China | 0 | - | 4.97 | 213,132 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,982 |
| Countries in World War II | 0 | - | 4.48 | 686,418 |
| Countries that Produce the Most Wine | 0 | - | 4.89 | 165,694 |
| Countries in World War I | 0 | - | 4.91 | 184,235 |
| Countries with Four Letters | 0 | - | 4.99 | 323,189 |
| Countries of Africa | 0 | - | 5.00 | 1,756,901 |
| Countries of South America | 0 | - | 5.00 | 632,182 |
| Countries of North America Quiz | 0 | - | 5.00 | 716,110 |
| Countries of Oceania | 0 | - | 5.00 | 722,413 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 156,254 |
| Vietnam War Countries | 0 | - | 4.78 | 77,642 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 207,343 |
| Countries Bordering France | 0 | - | 4.90 | 311,056 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 200,606 |
| Countries Bordering Germany | 0 | - | 4.99 | 294,449 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,752 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 254,340 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,507 |
| Countries of the Soviet Union | 0 | - | 4.99 | 147,324 |
| Countries in their Native Language | 0 | - | 4.97 | 150,427 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,605 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,905 |
| Countries with Five Letters Quiz | 0 | - | 4.93 | 193,288 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,658 |
| Independence from Whom | 0 | - | 4.99 | 162,804 |
| Countries with Z | 0 | - | 4.99 | 224,223 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,845 |
| Political Movements by Country | 0 | - | 4.48 | 62,294 |
| "Land" Countries | 0 | - | 4.98 | 266,862 |
| European Countries by Clue | 0 | - | 4.94 | 155,354 |
| Countries with Letters Missing | 0 | - | 4.97 | 144,135 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 219,267 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 174,249 |
| Who Controlled These Colonies? | 0 | - | 4.74 | 101,127 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 248,300 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,995 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,981 |
| Inventions by Country #1 | 0 | - | 4.43 | 42,028 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,802 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 157,098 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,938 |
| Historical City to Country | 0 | - | 4.81 | 66,742 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 149,014 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,497 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 51,123 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,725 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,574 |
| Countries Closest to Italy | 0 | - | 4.97 | 149,546 |
| Countries Closest to Spain | 0 | - | 4.96 | 171,703 |
| Countries Ending in "IA" | 0 | - | 4.99 | 151,502 |
| Countries Settled by Vikings | 0 | - | 4.92 | 92,296 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 345,050 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 195,269 |
| WWII Geography | 0 | - | 4.74 | 89,434 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,364,235 |
| Countries That End in Y | 0 | - | 4.89 | 149,282 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,561 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,944 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 144,769 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,780 |
| Former Countries | 0 | - | 4.52 | 100,937 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,730 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 151,393 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 174,055 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 144,592 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 144,434 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,661 |
| Country Chain | 0 | - | 4.92 | 157,972 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 1,004,968 |
| World Map without 12 Countries | 0 | - | 4.96 | 279,740 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,802 |
| Every Country Shape | 0 | - | 4.99 | 316,683 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,906,801 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 145,060 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,904 |
| Countries with Megacities | 0 | - | 4.99 | 177,209 |
| Every European Country Shape | 0 | - | 4.94 | 153,525 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 166,151 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 171,804 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 169,756 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,863 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 155,005 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,670,238 |
| Countries of the Middle East | 0 | - | 4.96 | 149,838 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 216,691 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,632 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.95 | 145,545 |
| One Country By Letter By Continent | 0 | - | 4.99 | 38,310 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,881 |
| Largest Countries with No Borders | 0 | - | 4.97 | 164,382 |
| Countries of Europe After World War II | 0 | - | 4.97 | 144,704 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 113,636 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 144,653 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 172,742 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 177,338 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 190,824 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 45,065 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 161,083 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,304 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,841 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 48,218 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,755 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,503 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,993 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 143,554 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 91,246 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.97 | 18,196 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 100,504 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,920 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 54,620 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,726 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,253 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 99,605 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 117,664 |
| Most-Visited Countries by Popes | 0 | - | 4.45 | 43,425 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.73 | 62,452 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 86,138 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 24,165 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,704 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 62,214 |
| Countries by Emojis | 0 | - | 4.99 | 160,113 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 250,449 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 81,153 |
| Roman Provinces on a Map | 0 | - | 4.73 | 25,973 |
| Countries of the World in 1900 | 0 | - | 4.86 | 53,148 |
| Random Flag to Country | 0 | - | 4.99 | 392,664 |
| Name a Valid Country #1 | 0 | - | 4.99 | 175,604 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,292 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 148,192 |
| Name a Valid Country #2 | 0 | - | 4.97 | 153,844 |
| Name a Valid Country #3 | 0 | - | 4.98 | 164,491 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,105,977 |
| Countries of the German Empire | 0 | - | 4.37 | 26,939 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,658 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 242,256 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,731 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 176,145 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 161,030 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,932 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 169,112 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,888 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 75,116 |
