| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,077,949 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 768,591 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 354,332 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 252,469 |
| Country Shape Quiz #4 | 0 | - | 4.89 | 184,885 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,206,555 |
| Biggest Countries by Area | 0 | - | 4.99 | 858,212 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 154,785 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 317,565 |
| Island Countries Quiz | 0 | - | 4.99 | 598,065 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 301,083 |
| Southernmost Countries of the World | 0 | - | 4.99 | 186,329 |
| Majority Muslim Countries | 0 | - | 4.97 | 292,631 |
| Countries with the Most Borders | 0 | - | 4.97 | 327,927 |
| Countries That Border Russia | 0 | - | 4.97 | 383,665 |
| Regions of Countries #1 | 0 | - | 4.96 | 141,383 |
| Countries and Languages Quiz | 0 | - | 4.84 | 221,482 |
| Communist Countries in History | 0 | - | 4.43 | 400,495 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 262,312 |
| Islands by Country #1 | 0 | - | 4.83 | 153,807 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 296,329 |
| Monarchies of the World | 0 | - | 4.91 | 144,930 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 176,284 |
| Countries by Borders #1 | 0 | - | 4.99 | 167,741 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 210,548 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 315,676 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 309,422 |
| One Border Countries | 0 | - | 4.97 | 375,005 |
| Countries by Official Language | 0 | - | 4.94 | 145,841 |
| NATO Countries Quiz | 0 | - | 4.98 | 208,477 |
| EU Countries Quiz | 0 | - | 4.99 | 212,927 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,671,485 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,340,974 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 135,134 |
| Countries by Independence Day Quiz | 0 | - | 4.44 | 42,834 |
| Countries that Start with A | 0 | - | 4.96 | 1,738,467 |
| Countries that Start with B | 0 | - | 4.92 | 1,876,961 |
| Countries that Start with C | 0 | - | 4.94 | 1,486,103 |
| Countries that Start with D | 0 | - | 4.95 | 514,225 |
| Countries that Start with E | 0 | - | 4.92 | 1,103,202 |
| Countries that Start with G | 0 | - | 4.94 | 1,209,648 |
| Countries that Start with H | 0 | - | 4.91 | 437,182 |
| Countries that Start with I | 0 | - | 4.89 | 1,028,500 |
| Countries that Start with J | 0 | - | 4.97 | 424,993 |
| Countries that Start with K | 0 | - | 4.93 | 611,250 |
| Countries that Start with L | 0 | - | 4.97 | 858,251 |
| Countries that Start with N | 0 | - | 4.87 | 880,409 |
| Countries that Start with P | 0 | - | 4.89 | 973,306 |
| Countries that Start with R | 0 | - | 4.40 | 324,576 |
| Countries that Start with S | 0 | - | 4.97 | 1,429,812 |
| Countries that Start with T | 0 | - | 4.83 | 800,441 |
| Countries that Start with U | 0 | - | 4.96 | 719,597 |
| Countries that Start with V | 0 | - | 4.96 | 480,732 |
| Countries that Start with F | 0 | - | 4.68 | 471,851 |
| Countries that Start with M | 0 | - | 4.94 | 1,116,836 |
| Countries that Border China | 0 | - | 4.96 | 218,105 |
| Top Crude Oil Producing Countries | 0 | - | 4.82 | 148,590 |
| Countries in World War II | 0 | - | 4.43 | 712,107 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 168,994 |
| Countries in World War I | 0 | - | 4.91 | 191,012 |
| Countries with Four Letters | 0 | - | 4.99 | 354,313 |
| Countries of Africa | 0 | - | 5.00 | 1,860,903 |
| Countries of South America | 0 | - | 5.00 | 669,675 |
| Countries of North America Quiz | 0 | - | 5.00 | 757,685 |
| Countries of Oceania | 0 | - | 5.00 | 764,532 |
| "Stan" Countries Quiz | 0 | - | 4.95 | 160,507 |
| Vietnam War Countries | 0 | - | 4.76 | 80,381 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 212,025 |
| Countries Bordering France | 0 | - | 4.82 | 332,530 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 205,082 |
| Countries Bordering Germany | 0 | - | 4.98 | 304,910 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 73,579 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 273,210 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 75,785 |
| Countries of the Soviet Union | 0 | - | 4.99 | 153,914 |
| Countries in their Native Language | 0 | - | 4.97 | 153,696 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 94,926 |
| Countries by Clue #1 | 0 | - | 4.88 | 202,252 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 215,152 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 163,382 |
| Independence from Whom | 0 | - | 4.99 | 170,707 |
| Countries with Z | 0 | - | 4.98 | 229,434 |
| Holy Roman Empire Countries | 0 | - | 4.53 | 39,358 |
| Political Movements by Country | 0 | - | 4.48 | 63,893 |
| "Land" Countries | 0 | - | 4.98 | 273,372 |
| European Countries by Clue | 0 | - | 4.93 | 159,193 |
| Countries with Letters Missing | 0 | - | 4.97 | 147,316 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 224,112 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 178,330 |
| Who Controlled These Colonies? | 0 | - | 4.80 | 103,923 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 255,466 |
| Former Countries by Capital | 0 | - | 4.41 | 99,088 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,614 |
| Warsaw Pact Countries | 0 | - | 4.88 | 66,595 |
| Inventions by Country #1 | 0 | - | 4.43 | 42,959 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 65,814 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 160,933 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 154,328 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 189,340 |
| Historical City to Country | 0 | - | 4.78 | 68,296 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 153,368 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 78,862 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 52,923 |
| Countries With the Most Languages | 0 | - | 4.88 | 157,341 |
| Countries Closest to Canada | 0 | - | 4.90 | 161,640 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 146,445 |
| Countries Closest to Italy | 0 | - | 4.97 | 162,750 |
| Countries Closest to Spain | 0 | - | 4.96 | 177,689 |
| Countries Ending in "IA" | 0 | - | 4.99 | 156,566 |
| Countries Settled by Vikings | 0 | - | 4.92 | 102,259 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 356,565 |
| Top Five Countries By Category #2 | 0 | - | 4.91 | 143,223 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 200,303 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,545,155 |
| Countries That End in Y | 0 | - | 4.87 | 153,170 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 132,940 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 168,165 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 149,614 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 175,299 |
| Former Countries | 0 | - | 4.59 | 115,313 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 231,047 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.92 | 155,972 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 180,359 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 148,440 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 148,124 |
| Guerrillas by Country | 0 | - | 4.46 | 35,893 |
| Country Chain | 0 | - | 4.91 | 163,000 |
| Olympic Host Countries | 0 | - | 4.98 | 149,254 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 1,042,457 |
| World Map without 12 Countries | 0 | - | 4.96 | 285,446 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 116,838 |
| Every Country Shape | 0 | - | 5.00 | 333,858 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,025,232 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 149,227 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 226,712 |
| Countries with Megacities | 0 | - | 4.99 | 181,592 |
| Every European Country Shape | 0 | - | 4.93 | 158,504 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 170,753 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 180,029 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,223 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 148,467 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 141,593 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 165,374 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,778,330 |
| Countries of the Middle East | 0 | - | 4.95 | 155,313 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 228,284 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 69,167 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 162,240 |
| One Country By Letter By Continent | 0 | - | 4.99 | 47,748 |
| Most Populous Countries by Year | 0 | - | 4.71 | 82,958 |
| Largest Countries with No Borders | 0 | - | 4.96 | 169,400 |
| Countries of Europe After World War II | 0 | - | 4.97 | 151,581 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,176 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 150,009 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 179,751 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.86 | 182,644 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 201,815 |
| 2016 News Stories - Name the Country | 0 | - | 4.42 | 20,715 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 46,089 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 167,868 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,275 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,242 |
| Countries of Asia in 1900 | 0 | - | 4.46 | 49,537 |
| Biggest British Empire Countries | 0 | - | 4.48 | 72,642 |
| Biggest Spanish Empire Countries | 0 | - | 4.71 | 84,211 |
| Soviet Union Country Quiz | 0 | - | 4.83 | 59,451 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 161,009 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 95,453 |
| The Only European Country ... | 0 | - | 4.93 | 141,345 |
| Flags of the Countries that Start with C | 0 | - | 4.90 | 105,365 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 70,901 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 56,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.89 | 62,445 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 49,923 |
| First Countries to Reach 5 Million People | 0 | - | 4.88 | 102,130 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 123,422 |
| Most-Visited Countries by Popes | 0 | - | 4.47 | 55,809 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 66,058 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.87 | 90,342 |
| 2017 News Stories - Name the Country | 0 | - | 4.49 | 25,047 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 65,867 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 65,454 |
| Countries by Emojis | 0 | - | 4.99 | 166,743 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 261,951 |
| Country by Photo of its Leader #1 | 0 | - | 4.70 | 83,500 |
| Countries of the World in 1900 | 0 | - | 4.85 | 56,138 |
| Random Flag to Country | 0 | - | 4.99 | 418,953 |
| Name a Valid Country #1 | 0 | - | 4.99 | 183,079 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.49 | 43,259 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 153,532 |
| Name a Valid Country #2 | 0 | - | 4.97 | 159,780 |
| Name a Valid Country #3 | 0 | - | 4.97 | 170,945 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,162,801 |
| Countries of the German Empire | 0 | - | 4.44 | 28,630 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,100 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 253,859 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 77,190 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 185,010 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 168,296 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,322 |
