| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,562,802 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 775,876 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 356,999 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 253,971 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 186,126 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,216,328 |
| Biggest Countries by Area | 0 | - | 4.99 | 865,467 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 155,623 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 320,587 |
| Island Countries Quiz | 0 | - | 4.99 | 603,045 |
| Northernmost Countries | 0 | - | 4.98 | 302,986 |
| Southernmost Countries of the World | 0 | - | 4.99 | 187,253 |
| Majority Muslim Countries | 0 | - | 4.97 | 295,541 |
| Countries with the Most Borders | 0 | - | 4.97 | 330,371 |
| Countries That Border Russia | 0 | - | 4.97 | 397,203 |
| Countries and Languages Quiz | 0 | - | 4.85 | 223,061 |
| Communist Countries in History | 0 | - | 4.43 | 404,985 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 264,078 |
| Islands by Country #1 | 0 | - | 4.82 | 154,793 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 298,654 |
| Monarchies of the World | 0 | - | 4.92 | 145,905 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 177,167 |
| Countries by Borders #1 | 0 | - | 4.99 | 169,001 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 211,850 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 318,190 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 317,672 |
| One Border Countries | 0 | - | 4.97 | 379,082 |
| Countries by Official Language | 0 | - | 4.94 | 146,697 |
| NATO Countries Quiz | 0 | - | 4.98 | 209,986 |
| EU Countries Quiz | 0 | - | 4.99 | 214,273 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,721,249 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,363,840 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 136,380 |
| Countries by Independence Day Quiz | 0 | - | 4.44 | 43,051 |
| Countries that Start with A | 0 | - | 4.96 | 1,760,255 |
| Countries that Start with B | 0 | - | 4.92 | 1,899,067 |
| Countries that Start with C | 0 | - | 4.94 | 1,503,367 |
| Countries that Start with D | 0 | - | 4.95 | 522,378 |
| Countries that Start with E | 0 | - | 4.91 | 1,116,915 |
| Countries that Start with G | 0 | - | 4.94 | 1,225,027 |
| Countries that Start with H | 0 | - | 4.90 | 444,992 |
| Countries that Start with I | 0 | - | 4.90 | 1,058,347 |
| Countries that Start with J | 0 | - | 4.96 | 448,756 |
| Countries that Start with K | 0 | - | 4.93 | 620,220 |
| Countries that Start with L | 0 | - | 4.97 | 868,634 |
| Countries that Start with N | 0 | - | 4.87 | 890,897 |
| Countries that Start with P | 0 | - | 4.89 | 985,363 |
| Countries that Start with R | 0 | - | 4.40 | 330,196 |
| Countries that Start with S | 0 | - | 4.97 | 1,447,206 |
| Countries that Start with T | 0 | - | 4.83 | 809,845 |
| Countries that Start with U | 0 | - | 4.96 | 727,769 |
| Countries that Start with V | 0 | - | 4.96 | 486,521 |
| Countries that Start with F | 0 | - | 4.68 | 479,359 |
| Countries that Start with M | 0 | - | 4.94 | 1,130,194 |
| Countries that Border China | 0 | - | 4.96 | 219,752 |
| Top Crude Oil Producing Countries | 0 | - | 4.82 | 149,338 |
| Countries in World War II | 0 | - | 4.43 | 720,596 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 170,073 |
| Countries in World War I | 0 | - | 4.90 | 193,222 |
| Countries with Four Letters | 0 | - | 4.99 | 357,857 |
| Countries of Africa | 0 | - | 5.00 | 1,893,253 |
| Countries of South America | 0 | - | 5.00 | 694,646 |
| Countries of North America Quiz | 0 | - | 5.00 | 771,074 |
| Countries of Oceania | 0 | - | 5.00 | 777,428 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 161,643 |
| Vietnam War Countries | 0 | - | 4.75 | 81,103 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 213,263 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 206,608 |
| Countries Bordering Germany | 0 | - | 4.98 | 308,040 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 77,522 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 274,929 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 76,570 |
| Countries of the Soviet Union | 0 | - | 4.98 | 156,454 |
| Countries in their Native Language | 0 | - | 4.97 | 154,823 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 95,675 |
| Countries by Clue #1 | 0 | - | 4.88 | 203,722 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 216,619 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 164,495 |
| Independence from Whom | 0 | - | 4.99 | 171,941 |
| Countries with Z | 0 | - | 4.98 | 230,964 |
| Holy Roman Empire Countries | 0 | - | 4.60 | 39,852 |
| Political Movements by Country | 0 | - | 4.46 | 64,467 |
| "Land" Countries | 0 | - | 4.98 | 275,482 |
| European Countries by Clue | 0 | - | 4.92 | 160,390 |
| Countries with Letters Missing | 0 | - | 4.97 | 148,081 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 225,570 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 179,568 |
| Who Controlled These Colonies? | 0 | - | 4.82 | 104,693 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 257,653 |
| Former Countries by Capital | 0 | - | 4.41 | 99,520 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 152,748 |
| Warsaw Pact Countries | 0 | - | 4.88 | 67,114 |
| Inventions by Country #1 | 0 | - | 4.43 | 43,208 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 66,341 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 161,907 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 155,339 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 191,291 |
| Historical City to Country | 0 | - | 4.79 | 68,796 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 154,464 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 80,052 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 64,077 |
| Countries With the Most Languages | 0 | - | 4.89 | 158,925 |
| Countries Closest to Canada | 0 | - | 4.90 | 162,779 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 147,430 |
| Countries Closest to Italy | 0 | - | 4.97 | 165,416 |
| Countries Closest to Spain | 0 | - | 4.96 | 179,552 |
| Countries Ending in "IA" | 0 | - | 4.99 | 158,104 |
| Countries Settled by Vikings | 0 | - | 4.93 | 105,107 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 360,102 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 145,015 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 201,947 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,602,595 |
| Countries That End in Y | 0 | - | 4.87 | 154,603 |
| Countries that Bordered the USSR | 0 | - | 4.92 | 134,039 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 169,564 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 150,964 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 176,991 |
| Former Countries | 0 | - | 4.62 | 117,692 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 232,561 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.93 | 157,264 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 181,897 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 149,652 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 149,218 |
| Guerrillas by Country | 0 | - | 4.47 | 36,222 |
| Country Chain | 0 | - | 4.91 | 164,871 |
| Olympic Host Countries | 0 | - | 4.98 | 150,446 |
| Countries Bordering "U" Countries | 0 | - | 4.65 | 3,830 |
| World Map without 12 Countries | 0 | - | 4.96 | 287,119 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 118,365 |
| Every Country Shape | 0 | - | 5.00 | 338,848 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,058,903 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 150,482 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 228,773 |
| Countries with Megacities | 0 | - | 4.99 | 182,891 |
| Every European Country Shape | 0 | - | 4.93 | 159,761 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 172,271 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 182,505 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 178,068 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 149,876 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 168,637 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,809,747 |
| Countries of the Middle East | 0 | - | 4.95 | 157,329 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 232,243 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 70,016 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.95 | 163,797 |
| One Country By Letter By Continent | 0 | - | 4.99 | 50,736 |
| Most Populous Countries by Year | 0 | - | 4.74 | 83,996 |
| Largest Countries with No Borders | 0 | - | 4.96 | 170,748 |
| Countries of Europe After World War II | 0 | - | 4.97 | 154,108 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 122,606 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 151,597 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 181,531 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 184,070 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 205,104 |
| 2016 News Stories - Name the Country | 0 | - | 4.43 | 20,972 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 46,433 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 169,644 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,922 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,693 |
| Countries of Asia in 1900 | 0 | - | 4.46 | 49,971 |
| Biggest British Empire Countries | 0 | - | 4.49 | 73,475 |
| Biggest Spanish Empire Countries | 0 | - | 4.74 | 84,968 |
| Soviet Union Country Quiz | 0 | - | 4.85 | 60,364 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 162,742 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 97,010 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 107,144 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 71,509 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 57,090 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 62,963 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 50,337 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,877 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 125,424 |
| Most-Visited Countries by Popes | 0 | - | 4.48 | 56,559 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.74 | 67,275 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.85 | 91,684 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 25,338 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 66,865 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 66,511 |
| Countries by Emojis | 0 | - | 4.99 | 168,988 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 265,701 |
| Country by Photo of its Leader #1 | 0 | - | 4.69 | 84,129 |
| Countries of the World in 1900 | 0 | - | 4.85 | 57,095 |
| Random Flag to Country | 0 | - | 4.99 | 427,249 |
| Name a Valid Country #1 | 0 | - | 4.99 | 185,237 |
| 2018 News Stories - Name the Country | 0 | - | 4.41 | 21,072 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.49 | 43,660 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 155,419 |
| Name a Valid Country #2 | 0 | - | 4.97 | 161,490 |
| Name a Valid Country #3 | 0 | - | 4.97 | 172,738 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,181,009 |
| Countries of the German Empire | 0 | - | 4.44 | 29,248 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,822 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 257,135 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 78,440 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 187,360 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 170,296 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 99,963 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 179,287 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 113,642 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 79,752 |
