| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,260,317 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 737,633 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,211 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,416 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,223 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,993 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,847 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,924 |
| Dog Breed Picture Quiz | 0 | - | 4.26 | 175,259 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,905 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,749 |
| Island Countries Quiz | 0 | - | 4.99 | 577,714 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,612 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,255 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,895 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,390 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,099 |
| Countries That Border Russia | 0 | - | 4.98 | 368,699 |
| U.S. State Birds Quiz | 0 | - | 4.29 | 18,935 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 72,291 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,736 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,842 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,294 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,605 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,482 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,461 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,011 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,318 |
| One Border Countries | 0 | - | 4.98 | 359,695 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,070 |
| EU Countries Quiz | 0 | - | 4.99 | 207,186 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,480,497 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,256,049 |
| Countries that Start with A | 0 | - | 4.96 | 1,633,231 |
| Countries that Start with B | 0 | - | 4.94 | 1,770,815 |
| Countries that Start with C | 0 | - | 4.95 | 1,403,093 |
| Countries that Start with D | 0 | - | 4.96 | 465,136 |
| Countries that Start with E | 0 | - | 4.93 | 1,034,966 |
| Countries that Start with G | 0 | - | 4.95 | 1,132,698 |
| Countries that Start with H | 0 | - | 4.93 | 391,928 |
| Countries that Start with I | 0 | - | 4.91 | 978,665 |
| Countries that Start with J | 0 | - | 4.96 | 395,275 |
| Countries that Start with K | 0 | - | 4.95 | 573,694 |
| Countries that Start with L | 0 | - | 4.98 | 815,392 |
| Countries that Start with N | 0 | - | 4.90 | 836,707 |
| Countries that Start with P | 0 | - | 4.94 | 924,606 |
| Countries that Start with R | 0 | - | 4.42 | 300,938 |
| Countries that Start with S | 0 | - | 4.96 | 1,359,518 |
| Countries that Start with T | 0 | - | 4.89 | 760,700 |
| Countries that Start with U | 0 | - | 4.97 | 686,313 |
| Countries that Start with V | 0 | - | 4.97 | 457,272 |
| Countries that Start with F | 0 | - | 4.76 | 425,278 |
| Countries that Start with M | 0 | - | 4.96 | 1,062,757 |
| Countries that Border China | 0 | - | 4.97 | 212,351 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,202 |
| Countries in World War I | 0 | - | 4.91 | 183,171 |
| Countries with Four Letters | 0 | - | 4.99 | 321,624 |
| Countries of Africa | 0 | - | 5.00 | 1,740,303 |
| Countries of South America | 0 | - | 5.00 | 625,637 |
| Countries of North America Quiz | 0 | - | 5.00 | 709,166 |
| Countries of Oceania | 0 | - | 5.00 | 715,447 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,518 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 93,349 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,671 |
| Countries Bordering France | 0 | - | 4.90 | 309,724 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,948 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,136 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,327 |
| Landforms by Country Quiz | 0 | - | 4.52 | 48,575 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,051 |
| Countries With No Rivers | 0 | - | 4.95 | 62,134 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,549 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,055 |
| Independence from Whom | 0 | - | 4.99 | 153,129 |
| Countries with Z | 0 | - | 4.99 | 223,310 |
| "Land" Countries | 0 | - | 4.98 | 265,383 |
| Countries with the Shortest Coastlines | 0 | - | 4.88 | 48,956 |
| European Countries by Clue | 0 | - | 4.94 | 154,647 |
| Top Rice-Producing Countries | 0 | - | 4.91 | 72,853 |
| National Animals | 0 | - | 4.16 | 69,541 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,068 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,605 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,116 |
| Countries that Produce the Most Cheese | 0 | - | 4.64 | 42,311 |
| Countries with the Most Tropical Cyclones | 0 | - | 4.47 | 36,225 |
| Natural Features of Countries #2 | 0 | - | 4.64 | 31,395 |
| Countries with the Most Sheep | 0 | - | 4.85 | 75,507 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.43 | 65,700 |
| Megadiverse Countries | 0 | - | 4.95 | 117,459 |
| Horse Vocabulary | 0 | - | 4.17 | 20,066 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,544 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.77 | 62,608 |
| Black Sea Countries | 0 | - | 4.90 | 52,210 |
| Top 10 Richest Countries in Africa | 0 | - | 4.77 | 44,715 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,337 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,937 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,732 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,920 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,038 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,872 |
| Countries Closest to the Aegean Sea | 0 | - | 4.53 | 51,477 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,577 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,154 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,240 |
| U.S. States with the Most Endangered Species | 0 | - | 4.47 | 12,295 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,312 |
| Top 10 Most Islamic European Countries | 0 | - | 4.53 | 124,031 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,336,820 |
| Caspian Sea Countries | 0 | - | 4.92 | 44,681 |
| North Sea Countries | 0 | - | 4.90 | 72,322 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,311 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,002 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,878 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,082 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,915 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,807 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,260 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,738 |
| Top 10 Solar Power Countries | 0 | - | 4.81 | 51,497 |
| Country Chain | 0 | - | 4.92 | 156,870 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 999,046 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 59,606 |
| Countries That Touch the Red Sea | 0 | - | 4.89 | 56,304 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,869 |
| South China Sea Countries | 0 | - | 4.89 | 49,064 |
| Top 15 Countries with the Most Hindus | 0 | - | 4.91 | 78,133 |
| Every Country Shape | 0 | - | 4.99 | 314,333 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,885,781 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,723 |
| Top Chocolate Growing Countries | 0 | - | 4.89 | 39,613 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,905 |
| Countries with Megacities | 0 | - | 4.99 | 176,266 |
| Every European Country Shape | 0 | - | 4.94 | 152,792 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,432 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 79,234 |
| Top 10 American Countries by Coastline | 0 | - | 4.94 | 65,033 |
| Top 10 European Countries by Coastline | 0 | - | 4.84 | 114,855 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,630 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,570 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 112,539 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,198 |
| 10 Biggest American Countries by Area | 0 | - | 4.97 | 86,332 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,457 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,598 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,561 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,653,145 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 214,430 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 102,761 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,773 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,734 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 87,521 |
| Top 10 Coldest Asian Countries | 0 | - | 4.96 | 92,018 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,994 |
| 10 Westernmost Countries in Europe | 0 | - | 4.94 | 112,884 |
| 10 Southernmost Countries in Asia | 0 | - | 4.98 | 67,778 |
| 10 Easternmost Countries in Asia | 0 | - | 4.97 | 74,288 |
| 10 Westernmost Countries in Asia | 0 | - | 4.74 | 51,769 |
| 10 Northernmost Countries in Africa | 0 | - | 4.99 | 117,199 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,822 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 84,070 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,522 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.92 | 35,127 |
| Top 10 Countries with the Most Exports per Capita | 0 | - | 4.65 | 24,709 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.92 | 55,136 |
| African Diaspora - Top 10 Countries | 0 | - | 4.84 | 59,985 |
| European Diaspora - Top 11 Countries | 0 | - | 4.87 | 73,704 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 32,513 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.97 | 87,486 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,726 |
| Top 15 Countries with the Most Cows | 0 | - | 4.79 | 82,813 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.87 | 78,634 |
| Countries with More Cows than People | 0 | - | 4.38 | 44,361 |
| 10 European Countries with the Most Tourists | 0 | - | 4.95 | 83,879 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.74 | 60,493 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,595 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,182 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,556 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,266 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.78 | 112,800 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.44 | 57,539 |
| Top 10 Countries by Per Capita Crude Oil Production | 0 | - | 4.44 | 38,400 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 50,269 |
| U.S. States with More Cows than People | 0 | - | 4.45 | 36,989 |
| Countries with the Most Wild Elephants | 0 | - | 4.40 | 40,136 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,089 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,281 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 115,350 |
| Top 10 Richest Countries in Asia | 0 | - | 4.91 | 61,328 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.86 | 56,921 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.77 | 64,321 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 52,980 |
| U.S States with the Most Cows | 0 | - | 4.37 | 14,206 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,305 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.57 | 54,064 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,603 |
| Countries with Fjords | 0 | - | 4.94 | 71,496 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,600 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,782 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 59,803 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,815 |
