| Animal Varieties #1 | 0 | - | 4.48 | 92,784 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,062 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,336 |
| Animal Stereotypes | 0 | - | 4.48 | 37,158 |
| Fish Knowledge | 0 | - | 4.38 | 25,624 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,612 |
| Types of Bears | 0 | - | 4.51 | 143,303 |
| Deadly Animals | 0 | - | 4.03 | 110,197 |
| Famous Animals #1 | 0 | - | 4.03 | 239,570 |
| Famous Animals #2 | 0 | - | 4.02 | 57,480 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,291 |
| Animal Facts | 0 | - | 4.15 | 42,967 |
| Cat Knowledge | 0 | - | 4.48 | 25,791 |
| Bear Knowledge | 0 | - | 4.54 | 35,064 |
| Cow Knowledge | 0 | - | 4.46 | 24,234 |
| Elephant Knowledge | 0 | - | 4.41 | 23,949 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,143 |
| Human Taxonomy | 0 | - | 4.68 | 18,901 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,430 |
| French Animal Words | 0 | - | 4.44 | 134,318 |
| Spanish Animal Words | 0 | - | 4.53 | 95,661 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,655 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,988 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,501 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,431 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Pack Animals | 0 | - | 4.17 | 10,371 |
| Lion Trivia | 0 | - | 4.19 | 16,397 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,644 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,487 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,367 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,957 |
| Bird in the Answers | 0 | - | 4.11 | 33,589 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,170 |
| Horse Knowledge | 0 | - | 4.46 | 24,035 |
| Snake Knowledge | 0 | - | 4.49 | 18,798 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,519 |
| Animals that Start with L | 0 | - | 4.47 | 101,793 |
| Animals that Start with P | 0 | - | 4.45 | 86,033 |
| Animals that Start with S | 0 | - | 4.49 | 87,236 |
| Animals: No Vowels #2 | 0 | - | 4.49 | 22,093 |
| Words that are Animals | 0 | - | 3.88 | 41,452 |
| Extinct Animals | 0 | - | 4.16 | 27,492 |
| Primate Knowledge | 0 | - | 4.17 | 15,300 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,289 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,249 |
| Animals in the News | 0 | - | 4.37 | 26,781 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,445 |
| Largest Types of Birds | 0 | - | 4.19 | 26,957 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,729 |
| Megadiverse Countries | 0 | - | 4.96 | 134,784 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,288 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,412 |
| Mammals in the Answer | 0 | - | 4.35 | 29,954 |
| Three Letter Animals Quiz | 0 | - | 3.96 | 300,852 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,342 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,625 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,848 |
| Animal Decoder | 0 | - | 4.06 | 15,517 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,254 |
| Animals that Start with A | 0 | - | 4.26 | 111,921 |
| Animals that Start with B | 0 | - | 4.31 | 113,612 |
| Animals that Start with C | 0 | - | 4.23 | 92,779 |
| Animals that Start with D | 0 | - | 4.25 | 86,833 |
| Animals that Start with E | 0 | - | 4.28 | 73,787 |
| Animals that Start with F | 0 | - | 4.28 | 106,980 |
| Animals that Start with G | 0 | - | 4.25 | 80,025 |
| Animals that Start with K | 0 | - | 4.07 | 66,469 |
| Animals that Start with M | 0 | - | 4.23 | 83,915 |
| Animals that Start with R | 0 | - | 4.27 | 87,309 |
| Animals that Start with T | 0 | - | 4.32 | 91,368 |
| Animals that Start with H | 0 | - | 4.31 | 86,225 |
| Animals that Start with O | 0 | - | 4.27 | 88,511 |
| Animals that Start with W | 0 | - | 4.36 | 47,099 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,772 |
| Countries with Fjords | 0 | - | 4.94 | 100,797 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,616 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,427 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,335 |
| World's Longest Rivers | 0 | - | 4.89 | 136,218 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,431 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,876 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,548 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,674 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,643 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,270 |
| Countries With No Rivers | 0 | - | 4.96 | 76,715 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,993 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,986 |
| North Sea Countries | 0 | - | 4.92 | 87,314 |
| Black Sea Countries | 0 | - | 4.87 | 60,579 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,326 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,425 |
| Seas on the World Map | 0 | - | 4.96 | 135,164 |
| Seas of the World | 0 | - | 5.00 | 156,448 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,194 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,297 |
| Animal Adjectives | 0 | - | 4.77 | 59,969 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,380 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,656 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,566 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,181 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,694 |
| Animals that Start with N | 0 | - | 3.73 | 31,605 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,494 |
| Geologic Time Scale | 0 | - | 4.46 | 10,003 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,631 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,912 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,374 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,362 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,793 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,099 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,969 |
| Animal Sounds | 0 | - | 4.26 | 191,581 |
| Animals of Australia | 0 | - | 4.52 | 42,295 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,399 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,353 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,123 |
| Animal Emojis | 0 | - | 4.73 | 84,179 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,466 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,345 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,063 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,093 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,546 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,180 |
| Birds in the Answer | 0 | - | 4.56 | 52,809 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,823 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,791 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,217 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,213 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,595 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,329 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,346 |
| Famous Rivers | 0 | - | 4.75 | 104,896 |
| City to River #1 | 0 | - | 4.59 | 35,833 |
| Most Populous River Basins | 0 | - | 4.55 | 39,684 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,315 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,709 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,045 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,755 |
| Flowers by Picture | 0 | - | 4.46 | 105,600 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,024 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,574 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,304 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,128 |
| Dog Knowledge | 0 | - | 4.46 | 34,332 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,007 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,206 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,993 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,503 |
| Biggest City by River | 0 | - | 4.41 | 52,828 |
| Rivers by City | 0 | - | 4.38 | 31,702 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,009 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,008 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,457 |
| Plants by Picture | 0 | - | 4.24 | 14,428 |
| Trees in the Answer | 0 | - | 4.25 | 45,833 |
| Bear in the Answers | 0 | - | 4.29 | 61,895 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,596 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,290 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,286 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,535 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,785 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,548 |
| Animal Group Names | 0 | - | 4.06 | 23,178 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,745 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,538 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,691 |
| Most Popular Dog Breeds | 0 | - | 4.20 | 110,904 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,067 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,781 |
| Birds A-Z | 0 | - | 4.24 | 36,504 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,405 |
| Horse Vocabulary | 0 | - | 4.23 | 22,722 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,237 |
| Big Cats | 0 | - | 3.91 | 67,771 |
| Famous Cats | 0 | - | 4.08 | 18,028 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,549 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,666 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,199 |
| Disney Animals | 0 | - | 4.27 | 239,599 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,038 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,973 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,036 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,293 |
| Brand-Name Animals | 0 | - | 4.16 | 74,460 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,061 |
| Dog in the Answers | 0 | - | 4.16 | 68,565 |
| Famous Dogs | 0 | - | 4.02 | 27,936 |
| Rivers on Borders | 0 | - | 4.02 | 22,687 |
| Rivers A-Z | 0 | - | 4.35 | 32,769 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,957 |
| Famous Pets | 0 | - | 3.98 | 30,414 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,842 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,713 |
| National Animals | 0 | - | 4.24 | 89,614 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,365 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,992 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,217 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,077 |
