| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,316,005 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 738,399 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,451 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,567 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,333 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,169,921 |
| Biggest Countries by Area | 0 | - | 4.99 | 830,549 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 164,003 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,968 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,997 |
| Biggest Lakes in the World | 0 | - | 4.53 | 69,994 |
| Island Countries Quiz | 0 | - | 4.99 | 578,167 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,781 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,328 |
| Majority Muslim Countries | 0 | - | 4.96 | 282,130 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,601 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,331 |
| Cities on a Map of the Great Lakes | 0 | - | 4.40 | 37,174 |
| Countries That Border Russia | 0 | - | 4.98 | 369,061 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 72,328 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,885 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,981 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,485 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,713 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,585 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,571 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,199 |
| Biggest City by River | 0 | - | 4.38 | 48,409 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,509 |
| One Border Countries | 0 | - | 4.98 | 360,066 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,241 |
| EU Countries Quiz | 0 | - | 4.99 | 207,358 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,486,125 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,258,730 |
| Countries that Start with A | 0 | - | 4.96 | 1,635,136 |
| Countries that Start with B | 0 | - | 4.94 | 1,772,691 |
| Countries that Start with C | 0 | - | 4.95 | 1,404,592 |
| Countries that Start with D | 0 | - | 4.97 | 465,906 |
| Countries that Start with E | 0 | - | 4.93 | 1,036,146 |
| Countries that Start with G | 0 | - | 4.95 | 1,134,026 |
| Countries that Start with H | 0 | - | 4.93 | 392,599 |
| Countries that Start with I | 0 | - | 4.91 | 979,735 |
| Countries that Start with J | 0 | - | 4.96 | 395,929 |
| Countries that Start with K | 0 | - | 4.95 | 574,568 |
| Countries that Start with L | 0 | - | 4.98 | 816,314 |
| Countries that Start with N | 0 | - | 4.91 | 837,806 |
| Countries that Start with P | 0 | - | 4.94 | 925,682 |
| Countries that Start with R | 0 | - | 4.42 | 301,429 |
| Countries that Start with S | 0 | - | 4.96 | 1,361,071 |
| Countries that Start with T | 0 | - | 4.89 | 761,522 |
| Countries that Start with U | 0 | - | 4.97 | 687,094 |
| Countries that Start with V | 0 | - | 4.97 | 457,784 |
| Countries that Start with F | 0 | - | 4.77 | 425,955 |
| Countries that Start with M | 0 | - | 4.95 | 1,063,868 |
| Countries that Border China | 0 | - | 4.97 | 212,531 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,301 |
| Countries in World War I | 0 | - | 4.91 | 183,389 |
| Countries with Four Letters | 0 | - | 4.99 | 321,938 |
| Countries of Africa | 0 | - | 5.00 | 1,743,466 |
| Countries of South America | 0 | - | 5.00 | 626,968 |
| Countries of North America Quiz | 0 | - | 5.00 | 710,641 |
| Countries of Oceania | 0 | - | 5.00 | 716,883 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,699 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 93,413 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,823 |
| Countries Bordering France | 0 | - | 4.90 | 309,980 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 200,080 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,381 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,489 |
| Landforms by Country Quiz | 0 | - | 4.52 | 48,622 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,201 |
| Countries With No Rivers | 0 | - | 4.95 | 62,201 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,685 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,165 |
| Rivers by City Quiz | 0 | - | 4.38 | 20,554 |
| Famous Rivers | 0 | - | 4.55 | 82,722 |
| Independence from Whom | 0 | - | 4.99 | 153,243 |
| Famous Lakes Quiz | 0 | - | 4.41 | 20,916 |
| Lakes in the United States Quiz | 0 | - | 4.20 | 12,658 |
| Countries with Z | 0 | - | 4.99 | 223,463 |
| "Land" Countries | 0 | - | 4.98 | 265,583 |
| Countries with the Shortest Coastlines | 0 | - | 4.88 | 49,004 |
| European Countries by Clue | 0 | - | 4.94 | 154,754 |
| Rivers on Borders | 0 | - | 4.15 | 20,925 |
| Answers Contain Sea | 0 | - | 3.79 | 25,669 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,359 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,707 |
| City to River #1 | 0 | - | 4.46 | 22,865 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,362 |
| African Great Lakes | 0 | - | 4.65 | 36,424 |
| World's Longest Rivers | 0 | - | 4.86 | 87,032 |
| Natural Features of Countries #2 | 0 | - | 4.64 | 31,422 |
| Countries with the Most Sheep | 0 | - | 4.85 | 75,559 |
| Megadiverse Countries | 0 | - | 4.95 | 117,525 |
| Rivers A-Z | 0 | - | 4.26 | 29,333 |
| City to River #2 - Difficult | 0 | - | 4.43 | 12,504 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.59 | 13,654 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,636 |
| Black Sea Countries | 0 | - | 4.90 | 52,256 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,396 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,128 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,783 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,066 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,147 |
| Countries Closest to Spain | 0 | - | 4.96 | 171,041 |
| Countries Closest to the Aegean Sea | 0 | - | 4.53 | 51,517 |
| Seas of Europe | 0 | - | 4.24 | 73,925 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,647 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,456 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,284 |
| Most Populous River Basins | 0 | - | 4.65 | 34,509 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,465 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,342,141 |
| African Physical Geography | 0 | - | 4.54 | 27,228 |
| Asian Physical Geography | 0 | - | 4.50 | 30,817 |
| South American Physical Geography | 0 | - | 4.51 | 15,169 |
| Caspian Sea Countries | 0 | - | 4.92 | 44,707 |
| North Sea Countries | 0 | - | 4.90 | 72,379 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,420 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.38 | 44,455 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,161 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,116 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,930 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,421 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,840 |
| Country Chain | 0 | - | 4.92 | 157,417 |
| 10 Longest Rivers in the United States | 0 | - | 4.78 | 30,902 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 1,000,191 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 59,656 |
| Countries That Touch the Red Sea | 0 | - | 4.89 | 56,344 |
| World Map without 12 Countries | 0 | - | 4.96 | 279,026 |
| Great Lakes Quiz | 0 | - | 4.72 | 40,589 |
| Seas that Touch the Most Countries | 0 | - | 4.57 | 82,016 |
| South China Sea Countries | 0 | - | 4.89 | 49,108 |
| Every Country Shape | 0 | - | 4.99 | 314,724 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,889,075 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,747 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,108 |
| Countries with Megacities | 0 | - | 4.99 | 176,439 |
| Every European Country Shape | 0 | - | 4.94 | 152,906 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,568 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 79,343 |
| Top 10 American Countries by Coastline | 0 | - | 4.94 | 65,124 |
| Top 10 European Countries by Coastline | 0 | - | 4.84 | 115,306 |
| Top 10 African Countries by Coastline | 0 | - | 4.30 | 42,111 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,845 |
| Largest Rivers by Discharge | 0 | - | 4.49 | 13,152 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,745 |
| Major U.S. Rivers with State Names | 0 | - | 4.48 | 31,887 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,840 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,656,504 |
| Longest Rivers in the UK | 0 | - | 4.36 | 11,894 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 36,116 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 215,197 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.50 | 25,792 |
| One Country By Letter By Continent | 0 | - | 4.99 | 37,103 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,867 |
| World's Longest Rivers on a Map | 0 | - | 4.89 | 67,107 |
| Seas on the World Map | 0 | - | 4.98 | 105,968 |
| Gulfs and Bays on the World Map | 0 | - | 4.46 | 22,930 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,994 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,698 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 189,083 |
| Rivers that Flow through the Most Countries | 0 | - | 4.47 | 33,770 |
| Top 15 Countries with the Most Cows | 0 | - | 4.79 | 82,865 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,653 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,371 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,291 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.65 | 30,555 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 50,331 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 49,010 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,322 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.98 | 51,192 |
| Rivers of Europe Quiz | 0 | - | 4.87 | 39,724 |
| Rivers of The United States Quiz | 0 | - | 4.87 | 40,985 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 42,079 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,795 |
| Bodies of Water by Cities | 0 | - | 4.78 | 23,741 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,353 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.16 | 53,105 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.14 | 16,286 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,718 |
| Countries with Fjords | 0 | - | 4.94 | 71,545 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,639 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,892 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 59,854 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,946 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 62,016 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,494 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 112,657 |
| Indian Ocean General Knowledge | 0 | - | 4.43 | 19,384 |
| Atlantic Ocean General Knowledge | 0 | - | 4.50 | 17,939 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,290 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,810 |
| Seas of the World | 0 | - | 5.00 | 98,483 |
| Countries by Emojis | 0 | - | 4.99 | 159,183 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 249,222 |
| Random Flag to Country | 0 | - | 4.99 | 389,574 |
| European Countries with NO Wolves | 0 | - | 4.46 | 40,540 |
| Capitals by River | 0 | - | 4.50 | 30,064 |
