| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,874 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,058 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,127 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,515 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,784 |
| Deadly Animals | 0 | - | 4.02 | 110,720 |
| Famous Animals #1 | 0 | - | 4.03 | 239,855 |
| Famous Animals #2 | 0 | - | 4.02 | 57,567 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,383 |
| Animal Facts | 0 | - | 4.15 | 43,022 |
| Cat Knowledge | 0 | - | 4.48 | 25,851 |
| Cow Knowledge | 0 | - | 4.46 | 24,292 |
| Elephant Knowledge | 0 | - | 4.41 | 23,989 |
| Human Taxonomy | 0 | - | 4.70 | 18,958 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,812 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,620 |
| Types of Bears | 0 | - | 4.51 | 143,862 |
| Bear Knowledge | 0 | - | 4.54 | 35,134 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,295 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,832 |
| Pack Animals | 0 | - | 4.20 | 10,418 |
| Lion Trivia | 0 | - | 4.19 | 16,425 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,698 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,533 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,426 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,997 |
| World's Longest Rivers | 0 | - | 4.90 | 137,281 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,818 |
| Horse Knowledge | 0 | - | 4.46 | 24,097 |
| Snake Knowledge | 0 | - | 4.49 | 18,850 |
| Geologic Time Scale | 0 | - | 4.41 | 10,049 |
| French Animal Words | 0 | - | 4.44 | 134,808 |
| Spanish Animal Words | 0 | - | 4.53 | 95,871 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,098 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,698 |
| Seas on the World Map | 0 | - | 4.96 | 135,726 |
| Seas of the World | 0 | - | 5.00 | 157,789 |
| Primate Knowledge | 0 | - | 4.17 | 15,330 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,492 |
| Fish Knowledge | 0 | - | 4.38 | 25,703 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,028 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,082 |
| Plants by Picture | 0 | - | 4.24 | 14,499 |
| Streets with Tree Names | 0 | - | 4.19 | 28,970 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,283 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,271 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,687 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,807 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,553 |
| Famous Rivers | 0 | - | 4.75 | 105,149 |
| City to River #1 | 0 | - | 4.59 | 35,880 |
| Most Populous River Basins | 0 | - | 4.55 | 39,772 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,422 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,999 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,780 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,345 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,045 |
| Rivers by City | 0 | - | 4.38 | 31,758 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,159 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,064 |
| Trees in the Answer | 0 | - | 4.25 | 45,911 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,289 |
| Rivers on Borders | 0 | - | 4.02 | 22,726 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,108 |
| Bear in the Answers | 0 | - | 4.29 | 62,171 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,823 |
| Megadiverse Countries | 0 | - | 4.96 | 135,137 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,913 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,237 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,018 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,843 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,326 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,957 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,556 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,858 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,291 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,704 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,581 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,869 |
| Animal Sounds | 0 | - | 4.26 | 191,920 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,450 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,366 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,122 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,679 |
| Big Cats | 0 | - | 3.91 | 67,866 |
| Famous Cats | 0 | - | 4.08 | 18,081 |
| National Animals | 0 | - | 4.24 | 90,074 |
| Words that are Animals | 0 | - | 3.85 | 41,497 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,588 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,479 |
| Mammals in the Answer | 0 | - | 4.35 | 29,985 |
| Extinct Animals | 0 | - | 4.16 | 27,547 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,024 |
| Name that Bug | 0 | - | 4.12 | 45,603 |
| Disney Animals | 0 | - | 4.27 | 240,381 |
| Animal Adjectives | 0 | - | 4.77 | 60,133 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,680 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,235 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,825 |
| Animals of Australia | 0 | - | 4.52 | 42,420 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,469 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,537 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,687 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,895 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,093 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,015 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,086 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,387 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,186 |
| Animal Decoder | 0 | - | 4.06 | 15,569 |
| Animal Group Names | 0 | - | 4.07 | 23,249 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,298 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,787 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,328 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,547 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,491 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,086 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,839 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,450 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,988 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,412 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,397 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,912 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,593 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,343 |
| Brand-Name Animals | 0 | - | 4.16 | 74,605 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,355 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,767 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,286 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,682 |
| Animals in the News | 0 | - | 4.37 | 26,817 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,468 |
| Animal Emojis | 0 | - | 4.74 | 84,995 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,501 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,383 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,483 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,865 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,485 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,767 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,717 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,708 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,720 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,367 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,238 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,906 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,586 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,646 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,866 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,394 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,418 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,193 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,774 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,381 |
| Dog in the Answers | 0 | - | 4.16 | 68,791 |
| Famous Pets | 0 | - | 3.98 | 30,476 |
| Famous Dogs | 0 | - | 4.02 | 28,025 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 113,746 |
| Dog Knowledge | 0 | - | 4.46 | 34,501 |
| U.S. State Birds | 0 | - | 4.31 | 21,455 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,183 |
| Birds in the Answer | 0 | - | 4.56 | 52,901 |
| Bird in the Answers | 0 | - | 4.11 | 33,868 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,839 |
| Birds A-Z | 0 | - | 4.24 | 36,583 |
| Largest Types of Birds | 0 | - | 4.19 | 27,002 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,958 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,767 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,221 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,782 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,640 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,892 |
| Animals that Start with A | 0 | - | 4.26 | 112,328 |
| Animals that Start with B | 0 | - | 4.31 | 114,026 |
| Animals that Start with C | 0 | - | 4.21 | 93,430 |
| Animals that Start with D | 0 | - | 4.25 | 87,177 |
| Animals that Start with E | 0 | - | 4.28 | 74,098 |
| Animals that Start with F | 0 | - | 4.28 | 107,342 |
| Animals that Start with G | 0 | - | 4.25 | 80,315 |
| Animals that Start with K | 0 | - | 4.07 | 66,678 |
| Animals that Start with L | 0 | - | 4.47 | 102,322 |
| Animals that Start with M | 0 | - | 4.23 | 84,211 |
| Animals that Start with P | 0 | - | 4.45 | 86,371 |
| Animals that Start with R | 0 | - | 4.28 | 87,584 |
| Animals that Start with S | 0 | - | 4.49 | 87,573 |
| Animals that Start with T | 0 | - | 4.32 | 92,014 |
| Animals that Start with H | 0 | - | 4.31 | 86,498 |
| Animals that Start with O | 0 | - | 4.27 | 88,753 |
| Animals that Start with N | 0 | - | 3.73 | 31,791 |
| Animals that Start with W | 0 | - | 4.36 | 47,303 |
| Horse Vocabulary | 0 | - | 4.23 | 22,775 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,170 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,638 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,964 |
| Geological Extremes | 0 | - | 4.34 | 40,085 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,837 |
| Landforms by Country | 0 | - | 4.52 | 52,000 |
| U.S. States by Landform Quiz | 0 | - | 4.01 | 26,862 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,507 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,575 |
| African Physical Geography | 0 | - | 4.51 | 31,772 |
