| Animal Varieties #1 | 0 | - | 4.48 | 93,164 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,161 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,593 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,851 |
| Deadly Animals | 0 | - | 4.02 | 110,790 |
| Famous Animals #1 | 0 | - | 4.03 | 239,974 |
| Famous Animals #2 | 0 | - | 4.02 | 57,589 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,413 |
| Animal Facts | 0 | - | 4.15 | 43,043 |
| Cat Knowledge | 0 | - | 4.49 | 25,877 |
| Cow Knowledge | 0 | - | 4.46 | 24,312 |
| Elephant Knowledge | 0 | - | 4.41 | 24,009 |
| Human Taxonomy | 0 | - | 4.70 | 18,990 |
| Types of Bears | 0 | - | 4.50 | 143,935 |
| Bear Knowledge | 0 | - | 4.54 | 35,165 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,350 |
| Pack Animals | 0 | - | 4.20 | 10,436 |
| Lion Trivia | 0 | - | 4.19 | 16,438 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,723 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,562 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,452 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,011 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,618 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,497 |
| Name that Bug | 0 | - | 4.12 | 45,634 |
| Bird in the Answers | 0 | - | 4.11 | 33,955 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,242 |
| Horse Knowledge | 0 | - | 4.46 | 24,133 |
| Snake Knowledge | 0 | - | 4.49 | 18,874 |
| French Animal Words | 0 | - | 4.44 | 134,982 |
| Spanish Animal Words | 0 | - | 4.53 | 95,970 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,818 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,366 |
| Words that are Animals | 0 | - | 3.85 | 41,512 |
| Extinct Animals | 0 | - | 4.13 | 27,576 |
| Primate Knowledge | 0 | - | 4.17 | 15,350 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,383 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,308 |
| Animals in the News | 0 | - | 4.37 | 26,839 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,513 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,756 |
| Largest Types of Birds | 0 | - | 4.19 | 27,019 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,780 |
| Fish Knowledge | 0 | - | 4.38 | 25,746 |
| Animals that Start with L | 0 | - | 4.47 | 102,432 |
| Animals that Start with P | 0 | - | 4.45 | 86,465 |
| Animals that Start with S | 0 | - | 4.49 | 87,667 |
| Megadiverse Countries | 0 | - | 4.96 | 135,272 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,085 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,468 |
| Mammals in the Answer | 0 | - | 4.35 | 29,995 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,417 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,911 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,525 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,717 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,917 |
| Animal Decoder | 0 | - | 4.06 | 15,594 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,319 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,934 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,735 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,814 |
| Animals that Start with A | 0 | - | 4.26 | 112,437 |
| Animals that Start with B | 0 | - | 4.31 | 114,140 |
| Animals that Start with C | 0 | - | 4.21 | 93,534 |
| Animals that Start with D | 0 | - | 4.25 | 87,270 |
| Animals that Start with E | 0 | - | 4.28 | 74,176 |
| Animals that Start with F | 0 | - | 4.28 | 107,443 |
| Animals that Start with G | 0 | - | 4.25 | 80,386 |
| Animals that Start with K | 0 | - | 4.07 | 66,741 |
| Animals that Start with M | 0 | - | 4.23 | 84,282 |
| Animals that Start with R | 0 | - | 4.28 | 87,663 |
| Animals that Start with T | 0 | - | 4.32 | 92,106 |
| Animals that Start with H | 0 | - | 4.31 | 86,576 |
| Animals that Start with O | 0 | - | 4.27 | 88,819 |
| Animals that Start with W | 0 | - | 4.36 | 47,364 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,037 |
| Countries with Fjords | 0 | - | 4.94 | 101,314 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,895 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,702 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,386 |
| Animals that Start with N | 0 | - | 3.73 | 31,834 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,874 |
| World's Longest Rivers | 0 | - | 4.90 | 137,590 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,436 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,926 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,611 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,313 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,866 |
| Countries With No Rivers | 0 | - | 4.96 | 77,125 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,999 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,172 |
| North Sea Countries | 0 | - | 4.92 | 87,691 |
| Black Sea Countries | 0 | - | 4.87 | 60,739 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,580 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,672 |
| Seas on the World Map | 0 | - | 4.96 | 135,955 |
| Seas of the World | 0 | - | 5.00 | 158,418 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,368 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,086 |
| Animal Adjectives | 0 | - | 4.77 | 60,197 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,051 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,009 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,477 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,437 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,626 |
| Geologic Time Scale | 0 | - | 4.41 | 10,064 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,996 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,152 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,966 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,800 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,951 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,283 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,445 |
| Animal Sounds | 0 | - | 4.27 | 192,018 |
| Animals of Australia | 0 | - | 4.53 | 42,490 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,612 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,485 |
| Animal Emojis | 0 | - | 4.74 | 85,247 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,053 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,854 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,500 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,343 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,044 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,571 |
| Birds in the Answer | 0 | - | 4.56 | 52,930 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,999 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,850 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,034 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,310 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,288 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,724 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,919 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,656 |
| Famous Rivers | 0 | - | 4.75 | 105,233 |
| City to River #1 | 0 | - | 4.59 | 35,901 |
| Most Populous River Basins | 0 | - | 4.55 | 39,812 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,482 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,105 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,255 |
| Flowers by Picture | 0 | - | 4.46 | 105,861 |
| Plants by Picture | 0 | - | 4.24 | 14,522 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,174 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,734 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,462 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,714 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,481 |
| Dog Knowledge | 0 | - | 4.46 | 34,549 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,405 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,073 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,719 |
| Rivers by City | 0 | - | 4.38 | 31,773 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,219 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,083 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,086 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,349 |
| Trees in the Answer | 0 | - | 4.23 | 45,935 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,075 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,656 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,787 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,602 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,897 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,734 |
| Animal Group Names | 0 | - | 4.07 | 23,284 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,815 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,820 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,050 |
| Birds A-Z | 0 | - | 4.24 | 36,619 |
| Bear in the Answers | 0 | - | 4.29 | 62,258 |
| Biggest City by River | 0 | - | 4.38 | 52,958 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,101 |
| Disney Animals | 0 | - | 4.27 | 241,039 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,030 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,236 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,350 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,742 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,224 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,862 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,433 |
| Horse Vocabulary | 0 | - | 4.23 | 22,799 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,315 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,889 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,365 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,113 |
| Brand-Name Animals | 0 | - | 4.16 | 74,668 |
| Dog in the Answers | 0 | - | 4.16 | 68,845 |
| Famous Dogs | 0 | - | 4.02 | 28,037 |
| Big Cats | 0 | - | 3.91 | 67,893 |
| Famous Cats | 0 | - | 4.08 | 18,095 |
| Rivers on Borders | 0 | - | 4.02 | 22,737 |
| Rivers A-Z | 0 | - | 4.35 | 32,854 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,053 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,653 |
| Famous Pets | 0 | - | 3.98 | 30,492 |
| National Animals | 0 | - | 4.24 | 90,214 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,258 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,532 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,644 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,639 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,160 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,873 |
