| Animal Varieties #1 | 0 | - | 4.48 | 92,477 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,986 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,142 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,453 |
| Deadly Animals | 0 | - | 4.03 | 109,943 |
| Famous Animals #1 | 0 | - | 4.03 | 238,894 |
| Famous Animals #2 | 0 | - | 4.02 | 57,343 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,162 |
| Animal Facts | 0 | - | 4.15 | 42,918 |
| Cat Knowledge | 0 | - | 4.49 | 25,732 |
| Cow Knowledge | 0 | - | 4.46 | 24,181 |
| Elephant Knowledge | 0 | - | 4.41 | 23,910 |
| Human Taxonomy | 0 | - | 4.68 | 18,866 |
| Types of Bears | 0 | - | 4.51 | 143,141 |
| Bear Knowledge | 0 | - | 4.54 | 35,001 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,008 |
| Pack Animals | 0 | - | 4.23 | 10,338 |
| Lion Trivia | 0 | - | 4.19 | 16,374 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,611 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,459 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,309 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,924 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,415 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,372 |
| Name that Bug | 0 | - | 4.12 | 45,465 |
| Bird in the Answers | 0 | - | 4.10 | 33,322 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,118 |
| Horse Knowledge | 0 | - | 4.45 | 23,959 |
| Snake Knowledge | 0 | - | 4.49 | 18,745 |
| French Animal Words | 0 | - | 4.44 | 133,848 |
| Spanish Animal Words | 0 | - | 4.53 | 95,432 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,536 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,668 |
| Words that are Animals | 0 | - | 3.88 | 41,423 |
| Extinct Animals | 0 | - | 4.18 | 27,424 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,887 |
| Primate Knowledge | 0 | - | 4.17 | 15,272 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,242 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,217 |
| Animals in the News | 0 | - | 4.37 | 26,729 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,401 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,623 |
| Largest Types of Birds | 0 | - | 4.19 | 26,908 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,695 |
| Fish Knowledge | 0 | - | 4.38 | 25,513 |
| Animals that Start with L | 0 | - | 4.47 | 101,558 |
| Animals that Start with P | 0 | - | 4.45 | 85,786 |
| Animals that Start with S | 0 | - | 4.49 | 86,977 |
| Megadiverse Countries | 0 | - | 4.97 | 133,984 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,626 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,362 |
| Mammals in the Answer | 0 | - | 4.35 | 29,926 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,443 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,094 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,537 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,781 |
| Animal Decoder | 0 | - | 4.06 | 15,473 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,205 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,243 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,630 |
| Animals that Start with A | 0 | - | 4.26 | 111,639 |
| Animals that Start with B | 0 | - | 4.31 | 113,331 |
| Animals that Start with C | 0 | - | 4.23 | 92,490 |
| Animals that Start with D | 0 | - | 4.25 | 86,618 |
| Animals that Start with E | 0 | - | 4.28 | 73,592 |
| Animals that Start with F | 0 | - | 4.28 | 106,715 |
| Animals that Start with G | 0 | - | 4.25 | 79,845 |
| Animals that Start with K | 0 | - | 4.07 | 66,330 |
| Animals that Start with M | 0 | - | 4.23 | 83,703 |
| Animals that Start with R | 0 | - | 4.27 | 87,093 |
| Animals that Start with T | 0 | - | 4.32 | 90,820 |
| Animals that Start with H | 0 | - | 4.31 | 86,015 |
| Animals that Start with O | 0 | - | 4.27 | 88,331 |
| Animals that Start with W | 0 | - | 4.36 | 46,944 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,423 |
| Countries with Fjords | 0 | - | 4.93 | 100,285 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,336 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,222 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,304 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,495 |
| World's Longest Rivers | 0 | - | 4.88 | 121,231 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,146 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,840 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,517 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,967 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,717 |
| Countries With No Rivers | 0 | - | 4.96 | 76,092 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,333 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,778 |
| North Sea Countries | 0 | - | 4.92 | 86,665 |
| Black Sea Countries | 0 | - | 4.87 | 60,370 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,063 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,151 |
| Seas on the World Map | 0 | - | 4.96 | 134,454 |
| Seas of the World | 0 | - | 5.00 | 154,703 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,984 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,773 |
| Animal Adjectives | 0 | - | 4.77 | 59,860 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,064 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,041 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,313 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,971 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,220 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,354 |
| Geologic Time Scale | 0 | - | 4.46 | 9,937 |
| Animals that Start with N | 0 | - | 3.73 | 31,476 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,302 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,725 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,843 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,987 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,701 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,972 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,691 |
| Animal Sounds | 0 | - | 4.26 | 191,255 |
| Animals of Australia | 0 | - | 4.52 | 42,183 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,279 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,238 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,947 |
| Animal Emojis | 0 | - | 4.70 | 83,437 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,163 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,998 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,820 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,940 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,209 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,927 |
| Birds in the Answer | 0 | - | 4.56 | 52,711 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,655 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,742 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,983 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,174 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,162 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,482 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,064 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,146 |
| Famous Rivers | 0 | - | 4.74 | 104,589 |
| City to River #1 | 0 | - | 4.59 | 35,759 |
| Most Populous River Basins | 0 | - | 4.61 | 39,569 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,146 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,987 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,799 |
| Flowers by Picture | 0 | - | 4.46 | 105,056 |
| Plants by Picture | 0 | - | 4.24 | 14,359 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,921 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,485 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,021 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,909 |
| Dog Knowledge | 0 | - | 4.46 | 34,209 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,046 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,920 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,345 |
| Biggest City by River | 0 | - | 4.41 | 52,711 |
| Rivers by City | 0 | - | 4.38 | 31,651 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,817 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,931 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,461 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,300 |
| Trees in the Answer | 0 | - | 4.25 | 45,759 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,120 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,088 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,060 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,487 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,645 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,382 |
| Animal Group Names | 0 | - | 4.06 | 23,118 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,703 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,616 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,654 |
| Birds A-Z | 0 | - | 4.24 | 36,386 |
| Bear in the Answers | 0 | - | 4.29 | 61,647 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,398 |
| Disney Animals | 0 | - | 4.27 | 238,828 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,950 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,953 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,263 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,431 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,911 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,730 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,384 |
| Horse Vocabulary | 0 | - | 4.22 | 22,680 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,195 |
| Big Cats | 0 | - | 3.91 | 67,693 |
| Famous Cats | 0 | - | 4.08 | 17,991 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,580 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,136 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 17,991 |
| Brand-Name Animals | 0 | - | 4.16 | 74,322 |
| Dog in the Answers | 0 | - | 4.16 | 68,382 |
| Famous Dogs | 0 | - | 4.02 | 27,883 |
| Rivers on Borders | 0 | - | 4.02 | 22,645 |
| Rivers A-Z | 0 | - | 4.35 | 32,707 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,891 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,618 |
| Famous Pets | 0 | - | 3.98 | 30,372 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,520 |
| National Animals | 0 | - | 4.24 | 89,185 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,757 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,416 |
| Countries with More Cows than People | 0 | - | 4.44 | 58,343 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,538 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,680 |
