| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,203,453 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 736,708 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,892 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,218 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 180,076 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,167,764 |
| Biggest Countries by Area | 0 | - | 4.99 | 828,931 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,846 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,814 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,476 |
| Island Countries Quiz | 0 | - | 4.99 | 577,141 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,429 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,127 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,671 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,036 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,887 |
| Countries That Border Russia | 0 | - | 4.98 | 368,206 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,590 |
| Communist Countries in History | 0 | - | 4.48 | 383,550 |
| City to Country Quiz #1 | 0 | - | 4.93 | 124,985 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,673 |
| Islands by Country #1 | 0 | - | 4.86 | 149,459 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,074 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,494 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,330 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,337 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,768 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,080 |
| City to Country Quiz #2 | 0 | - | 4.67 | 84,185 |
| City to Country Quiz #3 | 0 | - | 4.86 | 91,995 |
| One Border Countries | 0 | - | 4.98 | 359,169 |
| Countries by Official Language | 0 | - | 4.93 | 142,146 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,894 |
| EU Countries Quiz | 0 | - | 4.99 | 207,002 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,474,209 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,253,457 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,471 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,925 |
| Countries that Start with A | 0 | - | 4.96 | 1,630,826 |
| Countries that Start with B | 0 | - | 4.94 | 1,768,392 |
| Countries that Start with C | 0 | - | 4.95 | 1,401,217 |
| Countries that Start with D | 0 | - | 4.96 | 464,162 |
| Countries that Start with E | 0 | - | 4.93 | 1,033,453 |
| Countries that Start with G | 0 | - | 4.95 | 1,130,950 |
| Countries that Start with H | 0 | - | 4.92 | 391,154 |
| Countries that Start with I | 0 | - | 4.90 | 977,389 |
| Countries that Start with J | 0 | - | 4.96 | 394,461 |
| Countries that Start with K | 0 | - | 4.94 | 572,629 |
| Countries that Start with L | 0 | - | 4.98 | 814,163 |
| Countries that Start with N | 0 | - | 4.90 | 835,317 |
| Countries that Start with P | 0 | - | 4.94 | 923,241 |
| Countries that Start with R | 0 | - | 4.42 | 300,284 |
| Countries that Start with S | 0 | - | 4.96 | 1,357,551 |
| Countries that Start with T | 0 | - | 4.89 | 759,604 |
| Countries that Start with U | 0 | - | 4.97 | 685,354 |
| Countries that Start with V | 0 | - | 4.97 | 456,584 |
| Countries that Start with F | 0 | - | 4.76 | 424,487 |
| Countries that Start with M | 0 | - | 4.95 | 1,061,250 |
| Countries that Border China | 0 | - | 4.97 | 212,136 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,500 |
| Countries in World War II | 0 | - | 4.48 | 680,944 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,101 |
| Countries in World War I | 0 | - | 4.92 | 182,986 |
| Countries with Four Letters | 0 | - | 4.99 | 321,304 |
| Countries of Africa | 0 | - | 5.00 | 1,736,636 |
| Countries of South America | 0 | - | 5.00 | 624,336 |
| Countries of North America Quiz | 0 | - | 5.00 | 707,708 |
| Countries of Oceania | 0 | - | 5.00 | 713,838 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,374 |
| Vietnam War Countries | 0 | - | 4.78 | 76,737 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,503 |
| Countries Bordering France | 0 | - | 4.90 | 309,337 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,789 |
| Countries Bordering Germany | 0 | - | 4.99 | 292,738 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,223 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,153 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,112 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,330 |
| Countries in their Native Language | 0 | - | 4.97 | 149,739 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,114 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,898 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,393 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,934 |
| Independence from Whom | 0 | - | 4.99 | 152,989 |
| Countries with Z | 0 | - | 4.99 | 223,125 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,556 |
| Political Movements by Country | 0 | - | 4.50 | 61,992 |
| "Land" Countries | 0 | - | 4.98 | 265,123 |
| European Countries by Clue | 0 | - | 4.94 | 154,483 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,608 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 217,466 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,453 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,661 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,866 |
| Former Countries by Capital | 0 | - | 4.41 | 97,420 |
| City to Country Quiz #4 | 0 | - | 4.57 | 72,047 |
| City to Country Quiz #5 | 0 | - | 4.53 | 69,992 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,114 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,633 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,837 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,411 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,424 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,736 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,263 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,911 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,737 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,509 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,891 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,420 |
| Countries Closest to Italy | 0 | - | 4.97 | 148,284 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,634 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,355 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,834 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 63,017 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,726 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,113 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,330,844 |
| Countries That End in Y | 0 | - | 4.89 | 148,478 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,994 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,147 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,915 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,821 |
| Former Countries | 0 | - | 4.52 | 100,431 |
| City to Country Quiz #6 | 0 | - | 4.45 | 55,342 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,733 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,654 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,089 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,777 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 143,787 |
| Country Chain | 0 | - | 4.92 | 156,739 |
| Olympic Host Countries | 0 | - | 4.98 | 141,089 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 997,894 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,660 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,879 |
| Every Country Shape | 0 | - | 4.99 | 313,806 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,881,542 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,397 |
| 48 Asian Countries, 48 Cities | 0 | - | 4.39 | 18,904 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,668 |
| Countries with Megacities | 0 | - | 4.99 | 176,028 |
| Every European Country Shape | 0 | - | 4.94 | 152,620 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,277 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,362 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,324 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,049 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,176 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,649,071 |
| Countries of the Middle East | 0 | - | 4.96 | 148,393 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.93 | 212,492 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,004 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 142,969 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,417 |
| Most Populous Countries by Year | 0 | - | 4.77 | 79,104 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,585 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,521 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,455 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,825 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,606 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,327 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,375 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,846 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,997 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,915 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,501 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 47,961 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,529 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,978 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,500 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,576 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,454 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,613 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,551 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,331 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,412 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,959 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,104 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,640 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,065 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,807 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,224 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,017 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,091 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,622 |
| Countries by Emojis | 0 | - | 4.99 | 158,540 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 248,008 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,710 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,493 |
| Random Flag to Country | 0 | - | 4.99 | 388,389 |
| Name a Valid Country #1 | 0 | - | 4.99 | 172,565 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,051 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,036 |
| Name a Valid Country #2 | 0 | - | 4.97 | 151,379 |
| Name a Valid Country #3 | 0 | - | 4.98 | 162,145 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,095,859 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,320 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 240,224 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,928 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 174,562 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 159,112 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,103 |
