| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,663,325 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 777,513 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 357,598 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 254,308 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 186,415 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,218,607 |
| Biggest Countries by Area | 0 | - | 4.99 | 867,138 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 155,799 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 321,197 |
| Island Countries Quiz | 0 | - | 4.99 | 604,068 |
| Northernmost Countries | 0 | - | 4.98 | 303,436 |
| Southernmost Countries of the World | 0 | - | 4.99 | 187,482 |
| Majority Muslim Countries | 0 | - | 4.97 | 296,124 |
| Countries with the Most Borders | 0 | - | 4.97 | 331,019 |
| Countries That Border Russia | 0 | - | 4.97 | 398,511 |
| Countries and Languages Quiz | 0 | - | 4.84 | 223,506 |
| Communist Countries in History | 0 | - | 4.43 | 406,166 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 264,452 |
| Islands by Country #1 | 0 | - | 4.82 | 155,011 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 299,148 |
| Monarchies of the World | 0 | - | 4.92 | 146,056 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 177,347 |
| Countries by Borders #1 | 0 | - | 4.99 | 169,190 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 212,130 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 318,704 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 318,566 |
| One Border Countries | 0 | - | 4.97 | 380,153 |
| Countries by Official Language | 0 | - | 4.94 | 146,899 |
| NATO Countries Quiz | 0 | - | 4.98 | 210,336 |
| EU Countries Quiz | 0 | - | 4.99 | 214,778 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,732,206 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,368,609 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 136,585 |
| Countries by Independence Day Quiz | 0 | - | 4.44 | 43,102 |
| Countries that Start with A | 0 | - | 4.96 | 1,764,832 |
| Countries that Start with B | 0 | - | 4.92 | 1,903,688 |
| Countries that Start with C | 0 | - | 4.94 | 1,506,804 |
| Countries that Start with D | 0 | - | 4.95 | 524,042 |
| Countries that Start with E | 0 | - | 4.92 | 1,119,628 |
| Countries that Start with G | 0 | - | 4.94 | 1,228,126 |
| Countries that Start with H | 0 | - | 4.90 | 446,416 |
| Countries that Start with I | 0 | - | 4.90 | 1,060,900 |
| Countries that Start with J | 0 | - | 4.96 | 450,446 |
| Countries that Start with K | 0 | - | 4.93 | 622,050 |
| Countries that Start with L | 0 | - | 4.97 | 870,779 |
| Countries that Start with N | 0 | - | 4.88 | 893,018 |
| Countries that Start with P | 0 | - | 4.89 | 987,810 |
| Countries that Start with R | 0 | - | 4.40 | 331,337 |
| Countries that Start with S | 0 | - | 4.97 | 1,450,798 |
| Countries that Start with T | 0 | - | 4.83 | 812,107 |
| Countries that Start with U | 0 | - | 4.96 | 729,517 |
| Countries that Start with V | 0 | - | 4.96 | 487,735 |
| Countries that Start with F | 0 | - | 4.68 | 480,799 |
| Countries that Start with M | 0 | - | 4.94 | 1,132,834 |
| Countries that Border China | 0 | - | 4.96 | 220,092 |
| Top Crude Oil Producing Countries | 0 | - | 4.82 | 149,540 |
| Countries in World War II | 0 | - | 4.44 | 722,315 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 170,313 |
| Countries in World War I | 0 | - | 4.90 | 193,693 |
| Countries with Four Letters | 0 | - | 4.99 | 358,550 |
| Countries of Africa | 0 | - | 5.00 | 1,900,233 |
| Countries of South America | 0 | - | 5.00 | 697,279 |
| Countries of North America Quiz | 0 | - | 5.00 | 773,769 |
| Countries of Oceania | 0 | - | 5.00 | 780,034 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 161,889 |
| Vietnam War Countries | 0 | - | 4.75 | 81,256 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 213,565 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 206,937 |
| Countries Bordering Germany | 0 | - | 4.98 | 308,786 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 81,923 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 275,432 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 76,751 |
| Countries of the Soviet Union | 0 | - | 4.98 | 156,856 |
| Countries in their Native Language | 0 | - | 4.97 | 155,190 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 95,830 |
| Countries by Clue #1 | 0 | - | 4.88 | 204,023 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 217,119 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 164,746 |
| Independence from Whom | 0 | - | 4.99 | 172,204 |
| Countries with Z | 0 | - | 4.98 | 231,245 |
| Holy Roman Empire Countries | 0 | - | 4.60 | 39,936 |
| Political Movements by Country | 0 | - | 4.44 | 64,568 |
| "Land" Countries | 0 | - | 4.98 | 275,844 |
| European Countries by Clue | 0 | - | 4.92 | 160,620 |
| Countries with Letters Missing | 0 | - | 4.97 | 148,242 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 225,844 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 179,869 |
| Who Controlled These Colonies? | 0 | - | 4.82 | 104,850 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 258,296 |
| Former Countries by Capital | 0 | - | 4.41 | 99,595 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 153,100 |
| Warsaw Pact Countries | 0 | - | 4.88 | 67,217 |
| Inventions by Country #1 | 0 | - | 4.43 | 43,267 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 66,486 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 162,186 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 155,641 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 191,894 |
| Historical City to Country | 0 | - | 4.79 | 68,882 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 154,798 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 80,313 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 64,221 |
| Countries With the Most Languages | 0 | - | 4.89 | 159,227 |
| Countries Closest to Canada | 0 | - | 4.90 | 163,034 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 147,624 |
| Countries Closest to Italy | 0 | - | 4.97 | 165,776 |
| Countries Closest to Spain | 0 | - | 4.96 | 179,932 |
| Countries Ending in "IA" | 0 | - | 4.99 | 158,905 |
| Countries Settled by Vikings | 0 | - | 4.93 | 105,261 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 360,807 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 202,279 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,615,340 |
| Countries That End in Y | 0 | - | 4.87 | 154,821 |
| Countries that Bordered the USSR | 0 | - | 4.92 | 134,293 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 169,817 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 151,217 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 177,297 |
| Former Countries | 0 | - | 4.62 | 117,848 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 232,895 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.93 | 157,579 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 182,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 149,902 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 149,423 |
| Guerrillas by Country | 0 | - | 4.47 | 36,284 |
| Country Chain | 0 | - | 4.91 | 165,116 |
| Olympic Host Countries | 0 | - | 4.98 | 150,691 |
| Countries Bordering "U" Countries | 0 | - | 4.59 | 4,231 |
| World Map without 12 Countries | 0 | - | 4.96 | 287,486 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 118,671 |
| Every Country Shape | 0 | - | 5.00 | 339,868 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,067,096 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 150,706 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 229,259 |
| Countries with Megacities | 0 | - | 4.99 | 183,203 |
| Every European Country Shape | 0 | - | 4.93 | 160,039 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 172,607 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 182,987 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 178,480 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 150,183 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 169,355 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,816,565 |
| Countries of the Middle East | 0 | - | 4.95 | 157,648 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 233,061 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 70,208 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.95 | 164,131 |
| One Country By Letter By Continent | 0 | - | 4.99 | 51,317 |
| Most Populous Countries by Year | 0 | - | 4.74 | 84,266 |
| Largest Countries with No Borders | 0 | - | 4.96 | 171,034 |
| Countries of Europe After World War II | 0 | - | 4.97 | 154,562 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 123,036 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 151,952 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 182,002 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 184,403 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 205,970 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 21,015 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 46,502 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 170,050 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 77,059 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,795 |
| Countries of Asia in 1900 | 0 | - | 4.46 | 50,058 |
| Biggest British Empire Countries | 0 | - | 4.49 | 73,599 |
| Biggest Spanish Empire Countries | 0 | - | 4.74 | 85,150 |
| Soviet Union Country Quiz | 0 | - | 4.85 | 60,574 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 163,128 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 97,278 |
| Flags of the Countries that Start with C | 0 | - | 4.90 | 107,418 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 71,781 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.70 | 63,884 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 63,242 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 50,579 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 103,161 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 125,754 |
| Most-Visited Countries by Popes | 0 | - | 4.48 | 56,692 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.75 | 67,490 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.85 | 91,958 |
| 2017 News Stories - Name the Country | 0 | - | 4.44 | 25,397 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 67,075 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 66,699 |
| Countries by Emojis | 0 | - | 4.99 | 169,392 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 266,514 |
| Country by Photo of its Leader #1 | 0 | - | 4.69 | 84,281 |
| Countries of the World in 1900 | 0 | - | 4.85 | 57,302 |
| Random Flag to Country | 0 | - | 4.99 | 428,839 |
| Name a Valid Country #1 | 0 | - | 4.99 | 185,751 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 21,127 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.49 | 43,750 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 155,805 |
| Name a Valid Country #2 | 0 | - | 4.97 | 161,876 |
| Name a Valid Country #3 | 0 | - | 4.97 | 173,197 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,184,585 |
| Countries of the German Empire | 0 | - | 4.44 | 29,350 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,950 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 257,868 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 78,664 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 187,896 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 170,770 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 100,267 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 180,014 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 113,977 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 79,947 |
| Battle to Country | 0 | - | 4.86 | 32,204 |
