| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,132,637 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,581 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,525 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,970 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,875 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,166,254 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,845 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,715 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,669 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,167 |
| Island Countries Quiz | 0 | - | 4.99 | 576,482 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,920 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,961 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,362 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,673 |
| Countries with the Longest Coastlines | 0 | - | 4.86 | 352,555 |
| Countries That Border Russia | 0 | - | 4.98 | 367,697 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,387 |
| Communist Countries in History | 0 | - | 4.47 | 382,891 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,360 |
| Islands by Country #1 | 0 | - | 4.86 | 149,309 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,448 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,347 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,177 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,075 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,395 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,782 |
| One Border Countries | 0 | - | 4.98 | 358,640 |
| Ye Olde Professions | 0 | - | 4.52 | 120,283 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,668 |
| EU Countries Quiz | 0 | - | 4.99 | 206,798 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,466,188 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,249,959 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,261 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,882 |
| Countries that Start with A | 0 | - | 4.96 | 1,628,003 |
| Countries that Start with B | 0 | - | 4.94 | 1,765,520 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,988 |
| Countries that Start with D | 0 | - | 4.96 | 463,054 |
| Countries that Start with E | 0 | - | 4.93 | 1,031,676 |
| Countries that Start with G | 0 | - | 4.95 | 1,129,017 |
| Countries that Start with H | 0 | - | 4.92 | 390,146 |
| Countries that Start with I | 0 | - | 4.90 | 975,843 |
| Countries that Start with J | 0 | - | 4.96 | 393,435 |
| Countries that Start with K | 0 | - | 4.94 | 571,328 |
| Countries that Start with L | 0 | - | 4.98 | 812,639 |
| Countries that Start with N | 0 | - | 4.90 | 833,920 |
| Countries that Start with P | 0 | - | 4.94 | 921,657 |
| Countries that Start with R | 0 | - | 4.41 | 299,523 |
| Countries that Start with S | 0 | - | 4.97 | 1,355,307 |
| Countries that Start with T | 0 | - | 4.89 | 758,325 |
| Countries that Start with U | 0 | - | 4.97 | 684,197 |
| Countries that Start with V | 0 | - | 4.97 | 455,819 |
| Countries that Start with F | 0 | - | 4.76 | 423,521 |
| Countries that Start with M | 0 | - | 4.95 | 1,059,516 |
| Countries that Border China | 0 | - | 4.97 | 211,910 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,085 |
| Countries in World War II | 0 | - | 4.47 | 679,555 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,843 |
| Countries in World War I | 0 | - | 4.92 | 182,680 |
| Countries with Four Letters | 0 | - | 4.99 | 320,905 |
| Countries of Africa | 0 | - | 5.00 | 1,732,212 |
| Countries of South America | 0 | - | 5.00 | 622,414 |
| Countries of North America Quiz | 0 | - | 5.00 | 705,766 |
| Countries of Oceania | 0 | - | 5.00 | 711,920 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,195 |
| Vietnam War Countries | 0 | - | 4.78 | 76,627 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,096 |
| Countries Bordering France | 0 | - | 4.90 | 308,903 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,568 |
| Countries Bordering Germany | 0 | - | 4.99 | 292,026 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,088 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,919 |
| Countries "Ruled" by King Charles III | 0 | - | 4.73 | 65,011 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,052 |
| Countries in their Native Language | 0 | - | 4.97 | 149,592 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,957 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,724 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,225 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,775 |
| Independence from Whom | 0 | - | 4.99 | 152,814 |
| Countries with Z | 0 | - | 4.99 | 222,894 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,474 |
| Political Movements by Country | 0 | - | 4.49 | 61,900 |
| "Land" Countries | 0 | - | 4.98 | 264,757 |
| European Countries by Clue | 0 | - | 4.94 | 154,343 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,579 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 213,023 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,257 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,525 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,565 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,937 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,539 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,785 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,312 |
| Medieval English History | 0 | - | 4.42 | 37,720 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,266 |
| The 14th Century | 0 | - | 4.41 | 36,930 |
| The 11th and 12th Century | 0 | - | 4.49 | 42,161 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,469 |
| Historical City to Country | 0 | - | 4.81 | 66,347 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,113 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,735 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,666 |
| Countries With the Most Languages | 0 | - | 4.89 | 150,249 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,395 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,925 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,205 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,132 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,256 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,862 |
| WWII Geography | 0 | - | 4.73 | 88,532 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,323,348 |
| Countries That End in Y | 0 | - | 4.89 | 148,329 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,860 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,929 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,695 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,596 |
| Former Countries | 0 | - | 4.52 | 100,320 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,499 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,392 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,894 |
| Guerrillas by Country | 0 | - | 4.39 | 34,850 |
| Country Chain | 0 | - | 4.92 | 156,581 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,593 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 996,541 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,424 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,813 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,652 |
| Every Country Shape | 0 | - | 4.99 | 313,091 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,875,908 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,189 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,400 |
| Countries with Megacities | 0 | - | 4.99 | 175,609 |
| Every European Country Shape | 0 | - | 4.94 | 152,383 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,091 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,037 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,088 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,737 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,644,211 |
| Countries of the Middle East | 0 | - | 4.96 | 148,073 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,515 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,841 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,986 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,948 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,419 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,268 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,146 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,347 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,012 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,870 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.34 | 40,776 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,784 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,720 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,801 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,412 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 47,897 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,481 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,846 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,393 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,336 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,298 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,414 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,468 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,250 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,354 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,882 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,939 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,427 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,989 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,634 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,046 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,975 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,965 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,468 |
| Countries by Emojis | 0 | - | 4.99 | 158,206 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 247,490 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,602 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,301 |
| Random Flag to Country | 0 | - | 4.99 | 387,465 |
| Name a Valid Country #1 | 0 | - | 4.99 | 172,101 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,988 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,703 |
| Name a Valid Country #2 | 0 | - | 4.97 | 150,629 |
| Name a Valid Country #3 | 0 | - | 4.98 | 161,771 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,093,037 |
| Countries of the German Empire | 0 | - | 4.36 | 26,621 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,208 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 239,744 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,728 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 174,200 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 158,839 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,826 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 166,983 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,401 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,220 |
| Battle to Country | 0 | - | 4.89 | 30,554 |
| Countries of the Italian Empire | 0 | - | 4.19 | 19,906 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,941 |
| Countries by Former Name | 0 | - | 4.99 | 82,532 |
