| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,979,395 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 733,051 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,675 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,423 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,439 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,162,924 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,325 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,427 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,194 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,452 |
| Island Countries Quiz | 0 | - | 4.99 | 574,891 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,390 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,431 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,666 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,800 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,854 |
| Countries That Border Russia | 0 | - | 4.98 | 366,571 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,955 |
| Communist Countries in History | 0 | - | 4.47 | 381,533 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,653 |
| Islands by Country #1 | 0 | - | 4.86 | 148,748 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,797 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,018 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,861 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,726 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,681 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,159 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,445 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,364 |
| One Border Countries | 0 | - | 4.98 | 357,326 |
| Countries by Official Language | 0 | - | 4.93 | 141,699 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,089 |
| EU Countries Quiz | 0 | - | 4.99 | 206,236 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,449,384 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,242,469 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,754 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,809 |
| Countries that Start with A | 0 | - | 4.96 | 1,621,259 |
| Countries that Start with B | 0 | - | 4.94 | 1,758,766 |
| Countries that Start with C | 0 | - | 4.95 | 1,393,567 |
| Countries that Start with D | 0 | - | 4.96 | 460,257 |
| Countries that Start with E | 0 | - | 4.93 | 1,027,361 |
| Countries that Start with G | 0 | - | 4.95 | 1,124,475 |
| Countries that Start with H | 0 | - | 4.92 | 387,749 |
| Countries that Start with I | 0 | - | 4.90 | 972,129 |
| Countries that Start with J | 0 | - | 4.96 | 391,052 |
| Countries that Start with K | 0 | - | 4.94 | 567,873 |
| Countries that Start with L | 0 | - | 4.98 | 809,261 |
| Countries that Start with N | 0 | - | 4.90 | 830,503 |
| Countries that Start with P | 0 | - | 4.94 | 917,730 |
| Countries that Start with R | 0 | - | 4.40 | 297,499 |
| Countries that Start with S | 0 | - | 4.96 | 1,350,056 |
| Countries that Start with T | 0 | - | 4.88 | 755,088 |
| Countries that Start with U | 0 | - | 4.97 | 681,327 |
| Countries that Start with V | 0 | - | 4.97 | 453,850 |
| Countries that Start with F | 0 | - | 4.73 | 420,949 |
| Countries that Start with M | 0 | - | 4.95 | 1,055,528 |
| Countries that Border China | 0 | - | 4.97 | 211,085 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,753 |
| Countries in World War II | 0 | - | 4.47 | 676,646 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,408 |
| Countries in World War I | 0 | - | 4.92 | 182,013 |
| Countries with Four Letters | 0 | - | 4.99 | 319,987 |
| Countries of Africa | 0 | - | 5.00 | 1,721,732 |
| Countries of South America | 0 | - | 5.00 | 618,656 |
| Countries of North America Quiz | 0 | - | 5.00 | 701,575 |
| Countries of Oceania | 0 | - | 5.00 | 707,565 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,796 |
| Vietnam War Countries | 0 | - | 4.78 | 76,372 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,659 |
| Countries Bordering France | 0 | - | 4.90 | 308,022 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,856 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,082 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,782 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,404 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,830 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,519 |
| Countries in their Native Language | 0 | - | 4.97 | 149,240 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,623 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,243 |
| Countries with Five Letters Quiz | 0 | - | 4.93 | 191,774 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,399 |
| Independence from Whom | 0 | - | 4.99 | 152,416 |
| Countries with Z | 0 | - | 4.99 | 222,419 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,334 |
| Political Movements by Country | 0 | - | 4.49 | 61,720 |
| "Land" Countries | 0 | - | 4.98 | 259,941 |
| European Countries by Clue | 0 | - | 4.95 | 154,035 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,147 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,117 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,549 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,017 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,830 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,573 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,354 |
| Inventions by Country #1 | 0 | - | 4.42 | 41,675 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,131 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,932 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,759 |
| Historical City to Country | 0 | - | 4.81 | 66,185 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,757 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,389 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,453 |
| Countries With the Most Languages | 0 | - | 4.89 | 149,681 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,007 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,407 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,662 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,549 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,520 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,185 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,362 |
| WWII Geography | 0 | - | 4.73 | 88,281 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,305,071 |
| Countries That End in Y | 0 | - | 4.89 | 147,894 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,548 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,479 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,220 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,079 |
| Former Countries | 0 | - | 4.56 | 100,118 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,930 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,745 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,380 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,121 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,222 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,927 |
| Guerrillas by Country | 0 | - | 4.42 | 34,748 |
| Country Chain | 0 | - | 4.92 | 156,156 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,144 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,881 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,191 |
| Every Country Shape | 0 | - | 4.99 | 311,469 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,863,248 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,749 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,724 |
| Countries with Megacities | 0 | - | 4.99 | 158,093 |
| Every European Country Shape | 0 | - | 4.94 | 151,799 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,598 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,199 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,151 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,194 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,829 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,633,686 |
| Countries of the Middle East | 0 | - | 4.96 | 147,418 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,604 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,544 |
| One Country By Letter By Continent | 0 | - | 4.99 | 34,946 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,608 |
| Largest Countries with No Borders | 0 | - | 4.97 | 162,984 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,620 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,462 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,131 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,734 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,273 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,786 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,688 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,130 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,592 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,236 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,742 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,353 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,568 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,173 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,818 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,924 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.95 | 18,121 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,013 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,264 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,066 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,174 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,720 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 97,750 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 115,933 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,717 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,237 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,584 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,888 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,617 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,126 |
| Countries by Emojis | 0 | - | 4.99 | 157,387 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 246,446 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,321 |
| Roman Provinces on a Map | 0 | - | 4.72 | 25,494 |
| Countries of the World in 1900 | 0 | - | 4.87 | 51,949 |
| Random Flag to Country | 0 | - | 4.99 | 385,489 |
| Name a Valid Country #1 | 0 | - | 4.99 | 171,417 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,876 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,108 |
| Name a Valid Country #2 | 0 | - | 4.97 | 150,099 |
| Name a Valid Country #3 | 0 | - | 4.98 | 161,228 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,088,429 |
| Countries of the German Empire | 0 | - | 4.36 | 26,480 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,062 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 238,778 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,313 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 173,174 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 158,202 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,349 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 166,188 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 104,758 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,794 |
