| Animal Varieties #1 | 0 | - | 4.48 | 93,142 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,157 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,577 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,840 |
| Deadly Animals | 0 | - | 4.02 | 110,777 |
| Famous Animals #1 | 0 | - | 4.03 | 239,958 |
| Famous Animals #2 | 0 | - | 4.02 | 57,581 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,407 |
| Animal Facts | 0 | - | 4.15 | 43,034 |
| Cat Knowledge | 0 | - | 4.49 | 25,875 |
| Cow Knowledge | 0 | - | 4.46 | 24,309 |
| Elephant Knowledge | 0 | - | 4.41 | 24,004 |
| Human Taxonomy | 0 | - | 4.70 | 18,987 |
| Types of Bears | 0 | - | 4.50 | 143,925 |
| Bear Knowledge | 0 | - | 4.54 | 35,160 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,342 |
| Pack Animals | 0 | - | 4.20 | 10,430 |
| Lion Trivia | 0 | - | 4.19 | 16,436 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,720 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,558 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,446 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,009 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,613 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,493 |
| Name that Bug | 0 | - | 4.12 | 45,627 |
| Bird in the Answers | 0 | - | 4.11 | 33,939 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,239 |
| Horse Knowledge | 0 | - | 4.46 | 24,127 |
| Snake Knowledge | 0 | - | 4.49 | 18,867 |
| French Animal Words | 0 | - | 4.44 | 134,960 |
| Spanish Animal Words | 0 | - | 4.53 | 95,955 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,812 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,351 |
| Words that are Animals | 0 | - | 3.85 | 41,506 |
| Extinct Animals | 0 | - | 4.16 | 27,573 |
| Primate Knowledge | 0 | - | 4.17 | 15,344 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,377 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,304 |
| Animals in the News | 0 | - | 4.37 | 26,834 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,506 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,733 |
| Largest Types of Birds | 0 | - | 4.19 | 27,018 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,779 |
| Fish Knowledge | 0 | - | 4.38 | 25,738 |
| Animals that Start with L | 0 | - | 4.47 | 102,416 |
| Animals that Start with P | 0 | - | 4.45 | 86,454 |
| Animals that Start with S | 0 | - | 4.49 | 87,652 |
| Megadiverse Countries | 0 | - | 4.96 | 135,249 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,052 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,466 |
| Mammals in the Answer | 0 | - | 4.35 | 29,994 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,390 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,901 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,515 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,710 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,911 |
| Animal Decoder | 0 | - | 4.06 | 15,591 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,317 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,911 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,721 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,810 |
| Animals that Start with A | 0 | - | 4.26 | 112,416 |
| Animals that Start with B | 0 | - | 4.31 | 114,126 |
| Animals that Start with C | 0 | - | 4.21 | 93,516 |
| Animals that Start with D | 0 | - | 4.25 | 87,256 |
| Animals that Start with E | 0 | - | 4.28 | 74,164 |
| Animals that Start with F | 0 | - | 4.28 | 107,430 |
| Animals that Start with G | 0 | - | 4.25 | 80,374 |
| Animals that Start with K | 0 | - | 4.07 | 66,730 |
| Animals that Start with M | 0 | - | 4.23 | 84,271 |
| Animals that Start with R | 0 | - | 4.28 | 87,653 |
| Animals that Start with T | 0 | - | 4.32 | 92,090 |
| Animals that Start with H | 0 | - | 4.31 | 86,563 |
| Animals that Start with O | 0 | - | 4.27 | 88,810 |
| Animals that Start with W | 0 | - | 4.36 | 47,356 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,026 |
| Countries with Fjords | 0 | - | 4.94 | 101,289 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,886 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,687 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,383 |
| Animals that Start with N | 0 | - | 3.73 | 31,827 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,864 |
| World's Longest Rivers | 0 | - | 4.90 | 137,543 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,318 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,925 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,609 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,288 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,820 |
| Countries With No Rivers | 0 | - | 4.96 | 77,103 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,969 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,157 |
| North Sea Countries | 0 | - | 4.92 | 87,674 |
| Black Sea Countries | 0 | - | 4.87 | 60,728 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,567 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,663 |
| Seas on the World Map | 0 | - | 4.96 | 135,922 |
| Seas of the World | 0 | - | 5.00 | 158,291 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,362 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,044 |
| Animal Adjectives | 0 | - | 4.77 | 60,193 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,015 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,994 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,468 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,402 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,621 |
| Geologic Time Scale | 0 | - | 4.41 | 10,064 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,979 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,145 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,928 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,776 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,944 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,274 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,412 |
| Animal Sounds | 0 | - | 4.27 | 192,002 |
| Animals of Australia | 0 | - | 4.52 | 42,477 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,598 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,479 |
| Animal Emojis | 0 | - | 4.74 | 85,200 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,041 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,839 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,483 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,332 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,026 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,551 |
| Birds in the Answer | 0 | - | 4.56 | 52,923 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,990 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,847 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,034 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,305 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,286 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,722 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,906 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,643 |
| Famous Rivers | 0 | - | 4.75 | 105,215 |
| City to River #1 | 0 | - | 4.59 | 35,898 |
| Most Populous River Basins | 0 | - | 4.55 | 39,809 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,469 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,093 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,241 |
| Flowers by Picture | 0 | - | 4.46 | 105,844 |
| Plants by Picture | 0 | - | 4.24 | 14,520 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,163 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,722 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,456 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,692 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,463 |
| Dog Knowledge | 0 | - | 4.46 | 34,541 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,390 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,071 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,714 |
| Rivers by City | 0 | - | 4.38 | 31,771 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,207 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,081 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,034 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,331 |
| Trees in the Answer | 0 | - | 4.23 | 45,932 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,053 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,636 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,769 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,595 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,893 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,725 |
| Animal Group Names | 0 | - | 4.07 | 23,280 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,809 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,814 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,012 |
| Birds A-Z | 0 | - | 4.24 | 36,613 |
| Bear in the Answers | 0 | - | 4.29 | 62,251 |
| Biggest City by River | 0 | - | 4.38 | 52,952 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,091 |
| Disney Animals | 0 | - | 4.27 | 240,656 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,028 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,228 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,344 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,738 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,214 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,859 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,433 |
| Horse Vocabulary | 0 | - | 4.23 | 22,793 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,311 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,881 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,360 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,109 |
| Brand-Name Animals | 0 | - | 4.16 | 74,663 |
| Dog in the Answers | 0 | - | 4.16 | 68,841 |
| Famous Dogs | 0 | - | 4.02 | 28,033 |
| Big Cats | 0 | - | 3.91 | 67,884 |
| Famous Cats | 0 | - | 4.08 | 18,091 |
| Rivers on Borders | 0 | - | 4.02 | 22,735 |
| Rivers A-Z | 0 | - | 4.35 | 32,848 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,046 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,626 |
| Famous Pets | 0 | - | 3.98 | 30,489 |
| National Animals | 0 | - | 4.24 | 90,205 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,216 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,498 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,626 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,612 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,150 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,867 |
