| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,930,076 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 732,285 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,439 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,288 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,325 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,161,915 |
| Biggest Countries by Area | 0 | - | 4.99 | 824,581 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,354 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,112 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,237 |
| Biggest Lakes in the World | 0 | - | 4.53 | 69,667 |
| Island Countries Quiz | 0 | - | 4.99 | 574,358 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,227 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,318 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,454 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,573 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,654 |
| Cities on a Map of the Great Lakes | 0 | - | 4.38 | 36,976 |
| Countries That Border Russia | 0 | - | 4.98 | 366,241 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 72,001 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,827 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,367 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,561 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 171,925 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,768 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,642 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,481 |
| Biggest City by River | 0 | - | 4.38 | 48,227 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 299,946 |
| One Border Countries | 0 | - | 4.98 | 356,958 |
| NATO Countries Quiz | 0 | - | 4.97 | 200,911 |
| EU Countries Quiz | 0 | - | 4.99 | 206,089 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,443,382 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,240,239 |
| Countries that Start with A | 0 | - | 4.96 | 1,619,133 |
| Countries that Start with B | 0 | - | 4.94 | 1,756,637 |
| Countries that Start with C | 0 | - | 4.95 | 1,391,642 |
| Countries that Start with D | 0 | - | 4.96 | 459,395 |
| Countries that Start with E | 0 | - | 4.93 | 1,026,032 |
| Countries that Start with G | 0 | - | 4.95 | 1,123,068 |
| Countries that Start with H | 0 | - | 4.92 | 387,054 |
| Countries that Start with I | 0 | - | 4.90 | 970,954 |
| Countries that Start with J | 0 | - | 4.96 | 390,335 |
| Countries that Start with K | 0 | - | 4.94 | 566,995 |
| Countries that Start with L | 0 | - | 4.98 | 808,252 |
| Countries that Start with N | 0 | - | 4.90 | 829,491 |
| Countries that Start with P | 0 | - | 4.94 | 916,581 |
| Countries that Start with R | 0 | - | 4.40 | 296,958 |
| Countries that Start with S | 0 | - | 4.96 | 1,348,342 |
| Countries that Start with T | 0 | - | 4.88 | 754,163 |
| Countries that Start with U | 0 | - | 4.97 | 680,465 |
| Countries that Start with V | 0 | - | 4.97 | 453,291 |
| Countries that Start with F | 0 | - | 4.74 | 420,214 |
| Countries that Start with M | 0 | - | 4.95 | 1,054,289 |
| Countries that Border China | 0 | - | 4.97 | 210,937 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,291 |
| Countries in World War I | 0 | - | 4.92 | 181,835 |
| Countries with Four Letters | 0 | - | 4.99 | 319,670 |
| Countries of Africa | 0 | - | 5.00 | 1,718,573 |
| Countries of South America | 0 | - | 5.00 | 617,512 |
| Countries of North America Quiz | 0 | - | 5.00 | 700,276 |
| Countries of Oceania | 0 | - | 5.00 | 706,215 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,649 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 92,640 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,448 |
| Countries Bordering France | 0 | - | 4.90 | 307,586 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,689 |
| Countries Bordering Germany | 0 | - | 4.99 | 290,821 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,247 |
| Landforms by Country Quiz | 0 | - | 4.52 | 48,334 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,107 |
| Countries With No Rivers | 0 | - | 4.94 | 61,757 |
| Countries with Five Letters Quiz | 0 | - | 4.93 | 191,612 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,263 |
| Rivers by City Quiz | 0 | - | 4.38 | 20,435 |
| Famous Rivers | 0 | - | 4.57 | 82,094 |
| Independence from Whom | 0 | - | 4.99 | 152,294 |
| Famous Lakes Quiz | 0 | - | 4.40 | 20,783 |
| Lakes in the United States Quiz | 0 | - | 4.20 | 12,602 |
| Countries with Z | 0 | - | 4.99 | 222,247 |
| "Land" Countries | 0 | - | 4.98 | 240,958 |
| Countries with the Shortest Coastlines | 0 | - | 4.90 | 48,584 |
| European Countries by Clue | 0 | - | 4.95 | 153,937 |
| Rivers on Borders | 0 | - | 4.15 | 20,864 |
| Answers Contain Sea | 0 | - | 3.79 | 25,614 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 201,927 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,437 |
| City to River #1 | 0 | - | 4.46 | 22,698 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,589 |
| African Great Lakes | 0 | - | 4.56 | 35,105 |
| World's Longest Rivers | 0 | - | 4.86 | 86,443 |
| Natural Features of Countries #2 | 0 | - | 4.64 | 31,152 |
| Countries with the Most Sheep | 0 | - | 4.84 | 75,029 |
| Megadiverse Countries | 0 | - | 4.95 | 116,279 |
| Rivers A-Z | 0 | - | 4.26 | 29,199 |
| City to River #2 - Difficult | 0 | - | 4.43 | 12,376 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.59 | 13,336 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,856 |
| Black Sea Countries | 0 | - | 4.89 | 51,894 |
| Countries that Catch the Most Fish | 0 | - | 4.84 | 89,892 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,309 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,405 |
| Countries With the Most Languages | 0 | - | 4.89 | 149,496 |
| Countries Closest to Canada | 0 | - | 4.93 | 155,882 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,475 |
| Countries Closest to the Aegean Sea | 0 | - | 4.52 | 51,187 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,375 |
| Seas of Europe | 0 | - | 4.25 | 73,633 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,076 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 340,332 |
| Countries with Wild Penguins | 0 | - | 4.89 | 73,858 |
| Most Populous River Basins | 0 | - | 4.64 | 34,281 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,192 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,299,155 |
| African Physical Geography | 0 | - | 4.53 | 26,993 |
| Asian Physical Geography | 0 | - | 4.49 | 30,608 |
| South American Physical Geography | 0 | - | 4.51 | 14,981 |
| Caspian Sea Countries | 0 | - | 4.91 | 44,410 |
| North Sea Countries | 0 | - | 4.90 | 71,972 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,336 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.39 | 44,149 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 167,925 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,729 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,617 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,223 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,004 |
| Country Chain | 0 | - | 4.92 | 156,014 |
| 10 Longest Rivers in the United States | 0 | - | 4.78 | 30,608 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 992,078 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 59,262 |
| Countries That Touch the Red Sea | 0 | - | 4.89 | 56,037 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,712 |
| Great Lakes Quiz | 0 | - | 4.71 | 40,194 |
| Seas that Touch the Most Countries | 0 | - | 4.56 | 81,431 |
| South China Sea Countries | 0 | - | 4.89 | 48,773 |
| Every Country Shape | 0 | - | 4.99 | 310,989 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,858,414 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,568 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,521 |
| Countries with Megacities | 0 | - | 4.99 | 157,966 |
| Every European Country Shape | 0 | - | 4.94 | 151,643 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,396 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 78,339 |
| Top 10 American Countries by Coastline | 0 | - | 4.93 | 64,587 |
| Top 10 European Countries by Coastline | 0 | - | 4.84 | 114,149 |
| Top 10 African Countries by Coastline | 0 | - | 4.30 | 41,842 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 168,946 |
| Largest Rivers by Discharge | 0 | - | 4.49 | 13,010 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 166,968 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 31,552 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,551 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,630,513 |
| Longest Rivers in the UK | 0 | - | 4.36 | 11,821 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 35,735 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.93 | 190,281 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.50 | 25,575 |
| One Country By Letter By Continent | 0 | - | 4.99 | 34,542 |
| Largest Countries with No Borders | 0 | - | 4.97 | 162,863 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 66,522 |
| Seas on the World Map | 0 | - | 4.98 | 105,091 |
| Gulfs and Bays on the World Map | 0 | - | 4.46 | 22,660 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,543 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,099 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,419 |
| Rivers that Flow through the Most Countries | 0 | - | 4.47 | 33,496 |
| Top 15 Countries with the Most Cows | 0 | - | 4.79 | 82,452 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,167 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 158,963 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,050 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.64 | 30,293 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 49,836 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 48,722 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,046 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.98 | 50,837 |
| Rivers of Europe Quiz | 0 | - | 4.87 | 39,205 |
| Rivers of The United States Quiz | 0 | - | 4.87 | 40,511 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,646 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,308 |
| Bodies of Water by Cities | 0 | - | 4.77 | 23,481 |
| Countries with the Most Wolves | 0 | - | 4.89 | 68,866 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.16 | 52,478 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.14 | 16,167 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,829 |
| Countries with Fjords | 0 | - | 4.94 | 71,128 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,265 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 98,865 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 59,411 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 115,760 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,109 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,459 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 111,150 |
| Indian Ocean General Knowledge | 0 | - | 4.43 | 19,273 |
| Atlantic Ocean General Knowledge | 0 | - | 4.50 | 17,776 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,519 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,022 |
| Seas of the World | 0 | - | 5.00 | 96,820 |
| Countries by Emojis | 0 | - | 4.99 | 157,155 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 246,133 |
| Random Flag to Country | 0 | - | 4.99 | 384,969 |
| European Countries with NO Wolves | 0 | - | 4.46 | 40,270 |
