| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,256,457 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 737,575 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,190 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,401 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,213 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,907 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,780 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,916 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,899 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,722 |
| Biggest Lakes in the World | 0 | - | 4.54 | 69,956 |
| Island Countries Quiz | 0 | - | 4.99 | 577,678 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,601 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,250 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,874 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,362 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,077 |
| Cities on a Map of the Great Lakes | 0 | - | 4.39 | 37,158 |
| Countries That Border Russia | 0 | - | 4.98 | 368,673 |
| Natural Features of Countries #1 | 0 | - | 4.84 | 72,285 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,728 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,830 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,279 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,593 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,476 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,451 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,983 |
| Biggest City by River | 0 | - | 4.38 | 48,392 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,302 |
| One Border Countries | 0 | - | 4.98 | 359,678 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,063 |
| EU Countries Quiz | 0 | - | 4.99 | 207,175 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,480,046 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,255,895 |
| Countries that Start with A | 0 | - | 4.96 | 1,633,050 |
| Countries that Start with B | 0 | - | 4.94 | 1,770,631 |
| Countries that Start with C | 0 | - | 4.95 | 1,402,936 |
| Countries that Start with D | 0 | - | 4.96 | 465,066 |
| Countries that Start with E | 0 | - | 4.93 | 1,034,842 |
| Countries that Start with G | 0 | - | 4.95 | 1,132,510 |
| Countries that Start with H | 0 | - | 4.93 | 391,863 |
| Countries that Start with I | 0 | - | 4.91 | 978,575 |
| Countries that Start with J | 0 | - | 4.96 | 395,210 |
| Countries that Start with K | 0 | - | 4.95 | 573,596 |
| Countries that Start with L | 0 | - | 4.98 | 815,288 |
| Countries that Start with N | 0 | - | 4.90 | 836,544 |
| Countries that Start with P | 0 | - | 4.94 | 924,491 |
| Countries that Start with R | 0 | - | 4.42 | 300,878 |
| Countries that Start with S | 0 | - | 4.96 | 1,359,372 |
| Countries that Start with T | 0 | - | 4.89 | 760,612 |
| Countries that Start with U | 0 | - | 4.97 | 686,243 |
| Countries that Start with V | 0 | - | 4.97 | 457,210 |
| Countries that Start with F | 0 | - | 4.76 | 425,212 |
| Countries that Start with M | 0 | - | 4.96 | 1,062,627 |
| Countries that Border China | 0 | - | 4.97 | 212,341 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,194 |
| Countries in World War I | 0 | - | 4.91 | 183,162 |
| Countries with Four Letters | 0 | - | 4.99 | 321,602 |
| Countries of Africa | 0 | - | 5.00 | 1,740,070 |
| Countries of South America | 0 | - | 5.00 | 625,573 |
| Countries of North America Quiz | 0 | - | 5.00 | 709,074 |
| Countries of Oceania | 0 | - | 5.00 | 715,382 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,515 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,665 |
| Countries Bordering France | 0 | - | 4.90 | 309,696 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,940 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,109 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,311 |
| Landforms by Country Quiz | 0 | - | 4.52 | 48,572 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,043 |
| Countries With No Rivers | 0 | - | 4.95 | 62,129 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,536 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,044 |
| Rivers by City Quiz | 0 | - | 4.38 | 20,540 |
| Famous Rivers | 0 | - | 4.55 | 82,686 |
| Independence from Whom | 0 | - | 4.99 | 153,113 |
| Famous Lakes Quiz | 0 | - | 4.41 | 20,905 |
| Lakes in the United States Quiz | 0 | - | 4.20 | 12,650 |
| Countries with Z | 0 | - | 4.99 | 223,294 |
| "Land" Countries | 0 | - | 4.98 | 265,366 |
| Countries with the Shortest Coastlines | 0 | - | 4.88 | 48,950 |
| European Countries by Clue | 0 | - | 4.94 | 154,624 |
| Rivers on Borders | 0 | - | 4.15 | 20,917 |
| Answers Contain Sea | 0 | - | 3.79 | 25,665 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,042 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,592 |
| City to River #1 | 0 | - | 4.46 | 22,846 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,099 |
| African Great Lakes | 0 | - | 4.65 | 36,273 |
| World's Longest Rivers | 0 | - | 4.86 | 86,957 |
| Natural Features of Countries #2 | 0 | - | 4.64 | 31,390 |
| Countries with the Most Sheep | 0 | - | 4.85 | 75,504 |
| Megadiverse Countries | 0 | - | 4.95 | 117,452 |
| Rivers A-Z | 0 | - | 4.26 | 29,312 |
| City to River #2 - Difficult | 0 | - | 4.43 | 12,484 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.59 | 13,619 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,537 |
| Black Sea Countries | 0 | - | 4.90 | 52,208 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,333 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,923 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,727 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,909 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,028 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,860 |
| Countries Closest to the Aegean Sea | 0 | - | 4.53 | 51,475 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,532 |
| Seas of Europe | 0 | - | 4.24 | 73,894 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,571 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,129 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,233 |
| Most Populous River Basins | 0 | - | 4.65 | 34,484 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,305 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,336,418 |
| African Physical Geography | 0 | - | 4.54 | 27,199 |
| Asian Physical Geography | 0 | - | 4.49 | 30,792 |
| South American Physical Geography | 0 | - | 4.51 | 15,134 |
| Caspian Sea Countries | 0 | - | 4.92 | 44,680 |
| North Sea Countries | 0 | - | 4.90 | 72,319 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,302 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.38 | 44,427 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,993 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,898 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,791 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,250 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 92,730 |
| Country Chain | 0 | - | 4.92 | 156,864 |
| 10 Longest Rivers in the United States | 0 | - | 4.78 | 30,870 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 998,965 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.97 | 59,603 |
| Countries That Touch the Red Sea | 0 | - | 4.89 | 56,303 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,853 |
| Great Lakes Quiz | 0 | - | 4.72 | 40,542 |
| Seas that Touch the Most Countries | 0 | - | 4.57 | 81,971 |
| South China Sea Countries | 0 | - | 4.89 | 49,061 |
| Every Country Shape | 0 | - | 4.99 | 314,307 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,885,550 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,720 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,882 |
| Countries with Megacities | 0 | - | 4.99 | 176,246 |
| Every European Country Shape | 0 | - | 4.94 | 152,785 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,422 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 79,225 |
| Top 10 American Countries by Coastline | 0 | - | 4.94 | 65,021 |
| Top 10 European Countries by Coastline | 0 | - | 4.84 | 114,845 |
| Top 10 African Countries by Coastline | 0 | - | 4.30 | 42,060 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,605 |
| Largest Rivers by Discharge | 0 | - | 4.49 | 13,137 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,555 |
| Major U.S. Rivers with State Names | 0 | - | 4.48 | 31,848 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,537 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,652,915 |
| Longest Rivers in the UK | 0 | - | 4.36 | 11,884 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 36,055 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 214,381 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.50 | 25,767 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,747 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,726 |
| World's Longest Rivers on a Map | 0 | - | 4.89 | 67,029 |
| Seas on the World Map | 0 | - | 4.98 | 105,855 |
| Gulfs and Bays on the World Map | 0 | - | 4.46 | 22,889 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,806 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,510 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,701 |
| Rivers that Flow through the Most Countries | 0 | - | 4.47 | 33,720 |
| Top 15 Countries with the Most Cows | 0 | - | 4.79 | 82,805 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.72 | 64,590 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,171 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,261 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.65 | 30,529 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 50,265 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 48,972 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,277 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.98 | 51,144 |
| Rivers of Europe Quiz | 0 | - | 4.87 | 39,650 |
| Rivers of The United States Quiz | 0 | - | 4.87 | 40,904 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 42,014 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 43,736 |
| Bodies of Water by Cities | 0 | - | 4.78 | 23,711 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,301 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.16 | 53,032 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.14 | 16,272 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,597 |
| Countries with Fjords | 0 | - | 4.94 | 71,492 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,598 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,771 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 59,800 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,811 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 61,923 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,375 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 112,448 |
| Indian Ocean General Knowledge | 0 | - | 4.43 | 19,366 |
| Atlantic Ocean General Knowledge | 0 | - | 4.50 | 17,923 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,191 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,725 |
| Seas of the World | 0 | - | 5.00 | 98,238 |
| Countries by Emojis | 0 | - | 4.99 | 158,776 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 248,709 |
| Random Flag to Country | 0 | - | 4.99 | 389,039 |
| European Countries with NO Wolves | 0 | - | 4.46 | 40,506 |
| Capitals by River | 0 | - | 4.50 | 30,040 |
