| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,090,713 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 734,850 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,295 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,816 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,762 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,334 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,190 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,638 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,578 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,952 |
| Biggest Lakes in the World | 0 | - | 4.52 | 69,796 |
| Island Countries Quiz | 0 | - | 4.99 | 576,041 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,757 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,873 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,164 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,427 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,344 |
| Cities on a Map of the Great Lakes | 0 | - | 4.38 | 37,065 |
| Countries That Border Russia | 0 | - | 4.98 | 367,406 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 72,141 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,269 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,107 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,278 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,248 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,083 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,975 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,189 |
| Biggest City by River | 0 | - | 4.38 | 48,312 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,606 |
| One Border Countries | 0 | - | 4.98 | 358,276 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,512 |
| EU Countries Quiz | 0 | - | 4.99 | 206,684 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,461,496 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,247,942 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,247 |
| Countries that Start with B | 0 | - | 4.94 | 1,763,719 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,564 |
| Countries that Start with D | 0 | - | 4.96 | 462,325 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,589 |
| Countries that Start with G | 0 | - | 4.95 | 1,127,866 |
| Countries that Start with H | 0 | - | 4.92 | 389,516 |
| Countries that Start with I | 0 | - | 4.90 | 974,877 |
| Countries that Start with J | 0 | - | 4.96 | 392,792 |
| Countries that Start with K | 0 | - | 4.95 | 570,520 |
| Countries that Start with L | 0 | - | 4.98 | 811,742 |
| Countries that Start with N | 0 | - | 4.90 | 833,017 |
| Countries that Start with P | 0 | - | 4.94 | 920,612 |
| Countries that Start with R | 0 | - | 4.41 | 298,977 |
| Countries that Start with S | 0 | - | 4.97 | 1,353,916 |
| Countries that Start with T | 0 | - | 4.89 | 757,455 |
| Countries that Start with U | 0 | - | 4.97 | 683,413 |
| Countries that Start with V | 0 | - | 4.97 | 455,282 |
| Countries that Start with F | 0 | - | 4.74 | 422,840 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,447 |
| Countries that Border China | 0 | - | 4.97 | 211,779 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,749 |
| Countries in World War I | 0 | - | 4.92 | 182,507 |
| Countries with Four Letters | 0 | - | 4.99 | 320,666 |
| Countries of Africa | 0 | - | 5.00 | 1,729,261 |
| Countries of South America | 0 | - | 5.00 | 621,331 |
| Countries of North America Quiz | 0 | - | 5.00 | 704,456 |
| Countries of Oceania | 0 | - | 5.00 | 710,797 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,086 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 93,121 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,978 |
| Countries Bordering France | 0 | - | 4.90 | 308,693 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,204 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,742 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,777 |
| Landforms by Country Quiz | 0 | - | 4.52 | 48,461 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,599 |
| Countries With No Rivers | 0 | - | 4.94 | 61,955 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,110 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,679 |
| Rivers by City Quiz | 0 | - | 4.38 | 20,486 |
| Famous Rivers | 0 | - | 4.56 | 82,327 |
| Independence from Whom | 0 | - | 4.99 | 152,703 |
| Famous Lakes Quiz | 0 | - | 4.41 | 20,844 |
| Lakes in the United States Quiz | 0 | - | 4.20 | 12,630 |
| Countries with Z | 0 | - | 4.99 | 222,784 |
| "Land" Countries | 0 | - | 4.98 | 264,448 |
| Countries with the Shortest Coastlines | 0 | - | 4.90 | 48,774 |
| European Countries by Clue | 0 | - | 4.94 | 154,249 |
| Rivers on Borders | 0 | - | 4.15 | 20,892 |
| Answers Contain Sea | 0 | - | 3.79 | 25,648 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,335 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,145 |
| City to River #1 | 0 | - | 4.46 | 22,770 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,367 |
| African Great Lakes | 0 | - | 4.56 | 35,646 |
| World's Longest Rivers | 0 | - | 4.86 | 86,712 |
| Natural Features of Countries #2 | 0 | - | 4.64 | 31,269 |
| Countries with the Most Sheep | 0 | - | 4.84 | 75,197 |
| Megadiverse Countries | 0 | - | 4.95 | 117,046 |
| Rivers A-Z | 0 | - | 4.26 | 29,256 |
| City to River #2 - Difficult | 0 | - | 4.43 | 12,425 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.59 | 13,471 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,180 |
| Black Sea Countries | 0 | - | 4.90 | 52,045 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,089 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,297 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,547 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,083 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,282 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,071 |
| Countries Closest to the Aegean Sea | 0 | - | 4.52 | 51,332 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,008 |
| Seas of Europe | 0 | - | 4.24 | 73,803 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,332 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,942 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,034 |
| Most Populous River Basins | 0 | - | 4.64 | 34,383 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,724 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,318,725 |
| African Physical Geography | 0 | - | 4.54 | 27,096 |
| Asian Physical Geography | 0 | - | 4.49 | 30,707 |
| South American Physical Geography | 0 | - | 4.51 | 15,068 |
| Caspian Sea Countries | 0 | - | 4.91 | 44,547 |
| North Sea Countries | 0 | - | 4.90 | 72,141 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,807 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.39 | 44,297 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,475 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,348 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,291 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,767 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,350 |
| Country Chain | 0 | - | 4.92 | 156,452 |
| 10 Longest Rivers in the United States | 0 | - | 4.78 | 30,728 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,456 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 59,422 |
| Countries That Touch the Red Sea | 0 | - | 4.89 | 56,169 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,274 |
| Great Lakes Quiz | 0 | - | 4.71 | 40,363 |
| Seas that Touch the Most Countries | 0 | - | 4.56 | 81,793 |
| South China Sea Countries | 0 | - | 4.89 | 48,911 |
| Every Country Shape | 0 | - | 4.99 | 312,614 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,872,870 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,638 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,217 |
| Countries with Megacities | 0 | - | 4.99 | 174,949 |
| Every European Country Shape | 0 | - | 4.94 | 152,245 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,983 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 78,615 |
| Top 10 American Countries by Coastline | 0 | - | 4.94 | 64,819 |
| Top 10 European Countries by Coastline | 0 | - | 4.84 | 114,506 |
| Top 10 African Countries by Coastline | 0 | - | 4.30 | 41,948 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,832 |
| Largest Rivers by Discharge | 0 | - | 4.49 | 13,070 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,899 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 31,683 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,464 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,641,257 |
| Longest Rivers in the UK | 0 | - | 4.36 | 11,848 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 35,889 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,266 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.50 | 25,663 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,721 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,289 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 66,779 |
| Seas on the World Map | 0 | - | 4.98 | 105,487 |
| Gulfs and Bays on the World Map | 0 | - | 4.46 | 22,782 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,189 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,868 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,590 |
| Rivers that Flow through the Most Countries | 0 | - | 4.47 | 33,605 |
| Top 15 Countries with the Most Cows | 0 | - | 4.79 | 82,614 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,365 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,579 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,149 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.64 | 30,413 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 50,056 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 48,843 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,156 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.98 | 50,996 |
| Rivers of Europe Quiz | 0 | - | 4.87 | 39,399 |
| Rivers of The United States Quiz | 0 | - | 4.87 | 40,695 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,827 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,498 |
| Bodies of Water by Cities | 0 | - | 4.77 | 23,593 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,093 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.16 | 52,737 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.14 | 16,236 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,177 |
| Countries with Fjords | 0 | - | 4.94 | 71,318 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,442 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,286 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 59,608 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,313 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,525 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,906 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.98 | 111,764 |
| Indian Ocean General Knowledge | 0 | - | 4.43 | 19,315 |
| Atlantic Ocean General Knowledge | 0 | - | 4.50 | 17,857 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,858 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,373 |
| Seas of the World | 0 | - | 5.00 | 97,485 |
| Countries by Emojis | 0 | - | 4.99 | 157,991 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 247,238 |
| Random Flag to Country | 0 | - | 4.99 | 386,954 |
| European Countries with NO Wolves | 0 | - | 4.46 | 40,393 |
